From 77b354d86895c1f9561e3aa4bde7ff15e2b2e84f Mon Sep 17 00:00:00 2001
From: Chenxi Zhao <chenxi.zhao@tum.de>
Date: Wed, 11 Sep 2024 11:18:55 +0200
Subject: [PATCH] change shell youngs modulues

---
 .../T_pipe_VIPO_shell.cpp                     |   2 +-
 .../VelocityObserver_Velocity.xml             | 218 +++++++++---------
 ...VelocityObserver_Velocity_Run_0_result.xml |   2 +-
 ...VelocityObserver_Velocity_Run_1_result.xml |   2 +-
 ...VelocityObserver_Velocity_Run_2_result.xml |   2 +-
 ...VelocityObserver_Velocity_Run_3_result.xml |   2 +-
 ...VelocityObserver_Velocity_Run_4_result.xml |   2 +-
 ...VelocityObserver_Velocity_Run_5_result.xml |   2 +-
 .../VelocityObserver_Velocity_dtwdistance.xml |   2 +-
 .../VelocityObserver_Velocity_runtimes.dat    |   2 +-
 10 files changed, 118 insertions(+), 118 deletions(-)

diff --git a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/T_pipe_VIPO_shell.cpp b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/T_pipe_VIPO_shell.cpp
index ed80fe96b3..6d358ef5ba 100644
--- a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/T_pipe_VIPO_shell.cpp
+++ b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/T_pipe_VIPO_shell.cpp
@@ -40,7 +40,7 @@ Real c_f = 10.0 * U_f * SMAX(Real(1), DH / (Real(2.0) * (DL - DL1))); /** Refere
 //	Material parameters of the shell.
 //----------------------------------------------------------------------
 Real rho0_s = 1.0e3;           /** Normalized density. */
-Real Youngs_modulus = 1.0e6; /** Normalized Youngs Modulus. */
+Real Youngs_modulus = 1.0e5; /** Normalized Youngs Modulus. */
 Real poisson = 0.3;          /** Poisson ratio. */
 //----------------------------------------------------------------------
 //	Define geometry of SPH bodies.
diff --git a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity.xml b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity.xml
index e434bf39d1..2a29873aa8 100644
--- a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity.xml
+++ b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity.xml
@@ -1,112 +1,112 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <Velocity>
-    <Snapshot_0 Velocity_0="~[-2.30224e-08,-2.77727e-17]" />
-    <Snapshot_100 Velocity_0="~[0.0157108,-0.0145354]" />
-    <Snapshot_200 Velocity_0="~[0.0800778,-0.0444734]" />
-    <Snapshot_300 Velocity_0="~[0.161433,-0.11118]" />
-    <Snapshot_400 Velocity_0="~[0.23722,-0.204363]" />
-    <Snapshot_500 Velocity_0="~[0.36256,-0.251803]" />
-    <Snapshot_600 Velocity_0="~[0.405496,-0.376209]" />
-    <Snapshot_700 Velocity_0="~[0.511335,-0.45681]" />
-    <Snapshot_800 Velocity_0="~[0.65117,-0.503931]" />
-    <Snapshot_900 Velocity_0="~[0.723878,-0.513792]" />
-    <Snapshot_1000 Velocity_0="~[0.645846,-0.563813]" />
-    <Snapshot_1100 Velocity_0="~[0.696618,-0.568827]" />
-    <Snapshot_1200 Velocity_0="~[0.723719,-0.661452]" />
-    <Snapshot_1300 Velocity_0="~[0.838995,-0.40154]" />
-    <Snapshot_1400 Velocity_0="~[0.884947,-0.445374]" />
-    <Snapshot_1500 Velocity_0="~[0.903409,-0.407909]" />
-    <Snapshot_1600 Velocity_0="~[0.669029,-0.668735]" />
-    <Snapshot_1700 Velocity_0="~[0.881073,-0.478008]" />
-    <Snapshot_1800 Velocity_0="~[0.678306,-0.612414]" />
-    <Snapshot_1900 Velocity_0="~[0.91054,-0.422767]" />
-    <Snapshot_2000 Velocity_0="~[0.774241,-0.517829]" />
-    <Snapshot_2100 Velocity_0="~[0.716504,-0.681817]" />
-    <Snapshot_2200 Velocity_0="~[0.610471,-0.689505]" />
-    <Snapshot_2300 Velocity_0="~[0.697728,-0.623121]" />
-    <Snapshot_2400 Velocity_0="~[0.624889,-0.650384]" />
-    <Snapshot_2500 Velocity_0="~[0.864787,-0.528342]" />
-    <Snapshot_2600 Velocity_0="~[0.637708,-0.654729]" />
-    <Snapshot_2700 Velocity_0="~[0.888838,-0.396423]" />
-    <Snapshot_2800 Velocity_0="~[0.634742,-0.651657]" />
-    <Snapshot_2900 Velocity_0="~[0.814116,-0.545418]" />
-    <Snapshot_3000 Velocity_0="~[0.660069,-0.659002]" />
-    <Snapshot_3100 Velocity_0="~[0.766077,-0.551758]" />
-    <Snapshot_3200 Velocity_0="~[0.894325,-0.410449]" />
-    <Snapshot_3300 Velocity_0="~[0.862706,-0.469611]" />
-    <Snapshot_3400 Velocity_0="~[0.704217,-0.616154]" />
-    <Snapshot_3500 Velocity_0="~[0.848447,-0.506168]" />
-    <Snapshot_3600 Velocity_0="~[0.868085,-0.435006]" />
-    <Snapshot_3700 Velocity_0="~[0.86904,-0.482168]" />
-    <Snapshot_3800 Velocity_0="~[0.713495,-0.654473]" />
-    <Snapshot_3900 Velocity_0="~[0.850577,-0.456864]" />
-    <Snapshot_4000 Velocity_0="~[0.676009,-0.619772]" />
-    <Snapshot_4100 Velocity_0="~[0.8345,-0.476257]" />
-    <Snapshot_4200 Velocity_0="~[0.708843,-0.606341]" />
-    <Snapshot_4300 Velocity_0="~[0.881594,-0.465806]" />
-    <Snapshot_4400 Velocity_0="~[0.768936,-0.543143]" />
-    <Snapshot_4500 Velocity_0="~[0.709142,-0.602727]" />
-    <Snapshot_4600 Velocity_0="~[0.841918,-0.512221]" />
-    <Snapshot_4700 Velocity_0="~[0.855081,-0.475116]" />
-    <Snapshot_4800 Velocity_0="~[0.88614,-0.459254]" />
-    <Snapshot_4900 Velocity_0="~[0.629027,-0.637416]" />
-    <Snapshot_5000 Velocity_0="~[0.860212,-0.496421]" />
-    <Snapshot_5100 Velocity_0="~[0.662178,-0.667834]" />
-    <Snapshot_5200 Velocity_0="~[0.864965,-0.447682]" />
-    <Snapshot_5300 Velocity_0="~[0.667128,-0.621748]" />
-    <Snapshot_5400 Velocity_0="~[0.673998,-0.652084]" />
-    <Snapshot_5500 Velocity_0="~[0.712193,-0.667494]" />
-    <Snapshot_5600 Velocity_0="~[0.815435,-0.567116]" />
-    <Snapshot_5700 Velocity_0="~[0.696907,-0.612736]" />
-    <Snapshot_5800 Velocity_0="~[0.689781,-0.673502]" />
-    <Snapshot_5900 Velocity_0="~[0.885517,-0.424074]" />
-    <Snapshot_6000 Velocity_0="~[0.911346,-0.409748]" />
-    <Snapshot_6100 Velocity_0="~[0.654256,-0.628051]" />
-    <Snapshot_6200 Velocity_0="~[0.794011,-0.635814]" />
-    <Snapshot_6300 Velocity_0="~[0.771846,-0.573746]" />
-    <Snapshot_6400 Velocity_0="~[0.697075,-0.55933]" />
-    <Snapshot_6500 Velocity_0="~[0.870619,-0.484459]" />
-    <Snapshot_6600 Velocity_0="~[0.821016,-0.520593]" />
-    <Snapshot_6700 Velocity_0="~[0.767005,-0.551059]" />
-    <Snapshot_6800 Velocity_0="~[0.683607,-0.687948]" />
-    <Snapshot_6900 Velocity_0="~[0.822526,-0.457695]" />
-    <Snapshot_7000 Velocity_0="~[0.675539,-0.724322]" />
-    <Snapshot_7100 Velocity_0="~[0.729516,-0.588119]" />
-    <Snapshot_7200 Velocity_0="~[0.694671,-0.622034]" />
-    <Snapshot_7300 Velocity_0="~[0.892868,-0.442323]" />
-    <Snapshot_7400 Velocity_0="~[0.719401,-0.630813]" />
-    <Snapshot_7500 Velocity_0="~[0.869865,-0.522863]" />
-    <Snapshot_7600 Velocity_0="~[0.735275,-0.614091]" />
-    <Snapshot_7700 Velocity_0="~[0.919908,-0.401207]" />
-    <Snapshot_7800 Velocity_0="~[0.653671,-0.680264]" />
-    <Snapshot_7900 Velocity_0="~[0.903386,-0.403843]" />
-    <Snapshot_8000 Velocity_0="~[0.884327,-0.434782]" />
-    <Snapshot_8100 Velocity_0="~[0.890842,-0.428124]" />
-    <Snapshot_8200 Velocity_0="~[0.739376,-0.619204]" />
-    <Snapshot_8300 Velocity_0="~[0.772208,-0.569912]" />
-    <Snapshot_8400 Velocity_0="~[0.68325,-0.617734]" />
-    <Snapshot_8500 Velocity_0="~[0.84986,-0.495047]" />
-    <Snapshot_8600 Velocity_0="~[0.869138,-0.460459]" />
-    <Snapshot_8700 Velocity_0="~[0.721815,-0.57346]" />
-    <Snapshot_8800 Velocity_0="~[0.853335,-0.45512]" />
-    <Snapshot_8900 Velocity_0="~[0.769605,-0.59894]" />
-    <Snapshot_9000 Velocity_0="~[0.73204,-0.5471]" />
-    <Snapshot_9100 Velocity_0="~[0.716419,-0.659208]" />
-    <Snapshot_9200 Velocity_0="~[0.835155,-0.465386]" />
-    <Snapshot_9300 Velocity_0="~[0.698743,-0.575834]" />
-    <Snapshot_9400 Velocity_0="~[0.644306,-0.613631]" />
-    <Snapshot_9500 Velocity_0="~[0.710236,-0.657327]" />
-    <Snapshot_9600 Velocity_0="~[0.71245,-0.596109]" />
-    <Snapshot_9700 Velocity_0="~[0.714036,-0.606444]" />
-    <Snapshot_9800 Velocity_0="~[0.701822,-0.592678]" />
-    <Snapshot_9900 Velocity_0="~[0.728713,-0.613849]" />
-    <Snapshot_10000 Velocity_0="~[0.888596,-0.523821]" />
-    <Snapshot_10100 Velocity_0="~[0.693545,-0.66773]" />
-    <Snapshot_10200 Velocity_0="~[0.872222,-0.330429]" />
-    <Snapshot_10300 Velocity_0="~[0.68322,-0.648054]" />
-    <Snapshot_10400 Velocity_0="~[0.741488,-0.560039]" />
-    <Snapshot_10500 Velocity_0="~[0.672656,-0.637728]" />
-    <Snapshot_10600 Velocity_0="~[0.798883,-0.522367]" />
-    <Snapshot_10700 Velocity_0="~[0.662939,-0.626912]" />
-    <Snapshot_10800 Velocity_0="~[0.802411,-0.568341]" />
+    <Snapshot_0 Velocity_0="~[-2.30224e-08,5.29621e-16]" />
+    <Snapshot_100 Velocity_0="~[0.0147693,-0.0135343]" />
+    <Snapshot_200 Velocity_0="~[0.0626047,-0.0427125]" />
+    <Snapshot_300 Velocity_0="~[0.100712,-0.119876]" />
+    <Snapshot_400 Velocity_0="~[0.155292,-0.21851]" />
+    <Snapshot_500 Velocity_0="~[0.180002,-0.249626]" />
+    <Snapshot_600 Velocity_0="~[0.132386,-0.537695]" />
+    <Snapshot_700 Velocity_0="~[0.176219,-0.430426]" />
+    <Snapshot_800 Velocity_0="~[0.19108,-0.457238]" />
+    <Snapshot_900 Velocity_0="~[0.168861,-0.626393]" />
+    <Snapshot_1000 Velocity_0="~[0.478282,-0.532049]" />
+    <Snapshot_1100 Velocity_0="~[0.472293,-0.510466]" />
+    <Snapshot_1200 Velocity_0="~[0.195636,-0.451339]" />
+    <Snapshot_1300 Velocity_0="~[0.232264,-0.565747]" />
+    <Snapshot_1400 Velocity_0="~[0.198387,-0.508324]" />
+    <Snapshot_1500 Velocity_0="~[0.142208,-0.783424]" />
+    <Snapshot_1600 Velocity_0="~[0.236517,-0.810075]" />
+    <Snapshot_1700 Velocity_0="~[0.205643,-0.714627]" />
+    <Snapshot_1800 Velocity_0="~[0.203763,-0.700478]" />
+    <Snapshot_1900 Velocity_0="~[0.165013,-0.805229]" />
+    <Snapshot_2000 Velocity_0="~[0.237098,-0.822918]" />
+    <Snapshot_2100 Velocity_0="~[0.166943,-0.410584]" />
+    <Snapshot_2200 Velocity_0="~[0.16687,-0.471741]" />
+    <Snapshot_2300 Velocity_0="~[0.168074,-1.0392]" />
+    <Snapshot_2400 Velocity_0="~[0.164769,-0.919037]" />
+    <Snapshot_2500 Velocity_0="~[0.253728,-0.701255]" />
+    <Snapshot_2600 Velocity_0="~[0.182149,-0.867927]" />
+    <Snapshot_2700 Velocity_0="~[0.20784,-0.82027]" />
+    <Snapshot_2800 Velocity_0="~[0.283632,-0.473272]" />
+    <Snapshot_2900 Velocity_0="~[0.166516,-0.376326]" />
+    <Snapshot_3000 Velocity_0="~[0.113466,-0.473398]" />
+    <Snapshot_3100 Velocity_0="~[0.21605,-0.540858]" />
+    <Snapshot_3200 Velocity_0="~[0.150655,-0.572173]" />
+    <Snapshot_3300 Velocity_0="~[0.185077,-0.584142]" />
+    <Snapshot_3400 Velocity_0="~[0.184305,-0.448185]" />
+    <Snapshot_3500 Velocity_0="~[0.163796,-0.646734]" />
+    <Snapshot_3600 Velocity_0="~[0.143664,-0.486808]" />
+    <Snapshot_3700 Velocity_0="~[0.285606,-0.298502]" />
+    <Snapshot_3800 Velocity_0="~[0.154796,-0.47872]" />
+    <Snapshot_3900 Velocity_0="~[0.239494,-0.503632]" />
+    <Snapshot_4000 Velocity_0="~[0.180196,-0.506165]" />
+    <Snapshot_4100 Velocity_0="~[0.20063,-0.832355]" />
+    <Snapshot_4200 Velocity_0="~[0.202302,-0.414428]" />
+    <Snapshot_4300 Velocity_0="~[0.202444,-0.802649]" />
+    <Snapshot_4400 Velocity_0="~[0.205098,-0.383882]" />
+    <Snapshot_4500 Velocity_0="~[0.174022,-0.437155]" />
+    <Snapshot_4600 Velocity_0="~[0.18666,-0.516507]" />
+    <Snapshot_4700 Velocity_0="~[0.194806,-0.7604]" />
+    <Snapshot_4800 Velocity_0="~[0.142266,-0.873497]" />
+    <Snapshot_4900 Velocity_0="~[0.218432,-0.718203]" />
+    <Snapshot_5000 Velocity_0="~[0.40339,-0.47313]" />
+    <Snapshot_5100 Velocity_0="~[0.275112,-0.64695]" />
+    <Snapshot_5200 Velocity_0="~[0.180345,-0.506086]" />
+    <Snapshot_5300 Velocity_0="~[0.184441,-0.715757]" />
+    <Snapshot_5400 Velocity_0="~[0.175677,-0.917074]" />
+    <Snapshot_5500 Velocity_0="~[0.141705,-0.80799]" />
+    <Snapshot_5600 Velocity_0="~[0.21858,-0.85027]" />
+    <Snapshot_5700 Velocity_0="~[0.170526,-0.88399]" />
+    <Snapshot_5800 Velocity_0="~[0.206596,-0.911733]" />
+    <Snapshot_5900 Velocity_0="~[0.146123,-0.842442]" />
+    <Snapshot_6000 Velocity_0="~[0.237298,-0.394744]" />
+    <Snapshot_6100 Velocity_0="~[0.137407,-0.786772]" />
+    <Snapshot_6200 Velocity_0="~[0.256558,-0.586954]" />
+    <Snapshot_6300 Velocity_0="~[0.179819,-0.840065]" />
+    <Snapshot_6400 Velocity_0="~[0.198071,-0.904538]" />
+    <Snapshot_6500 Velocity_0="~[0.176267,-0.763679]" />
+    <Snapshot_6600 Velocity_0="~[0.168051,-0.750347]" />
+    <Snapshot_6700 Velocity_0="~[0.141559,-0.820352]" />
+    <Snapshot_6800 Velocity_0="~[0.203246,-0.87369]" />
+    <Snapshot_6900 Velocity_0="~[0.176934,-0.677613]" />
+    <Snapshot_7000 Velocity_0="~[0.155527,-0.814871]" />
+    <Snapshot_7100 Velocity_0="~[0.180161,-0.88616]" />
+    <Snapshot_7200 Velocity_0="~[0.202308,-0.792375]" />
+    <Snapshot_7300 Velocity_0="~[0.168916,-0.564714]" />
+    <Snapshot_7400 Velocity_0="~[0.269698,-0.5379]" />
+    <Snapshot_7500 Velocity_0="~[0.185145,-0.894448]" />
+    <Snapshot_7600 Velocity_0="~[0.235554,-0.523321]" />
+    <Snapshot_7700 Velocity_0="~[0.335202,-0.537467]" />
+    <Snapshot_7800 Velocity_0="~[0.163897,-0.403937]" />
+    <Snapshot_7900 Velocity_0="~[0.196575,-0.843872]" />
+    <Snapshot_8000 Velocity_0="~[0.109182,-0.830886]" />
+    <Snapshot_8100 Velocity_0="~[0.167898,-0.799864]" />
+    <Snapshot_8200 Velocity_0="~[0.167063,-0.837588]" />
+    <Snapshot_8300 Velocity_0="~[0.155371,-0.787686]" />
+    <Snapshot_8400 Velocity_0="~[0.21694,-0.914722]" />
+    <Snapshot_8500 Velocity_0="~[0.249668,-0.528768]" />
+    <Snapshot_8600 Velocity_0="~[0.244286,-0.694135]" />
+    <Snapshot_8700 Velocity_0="~[0.18138,-0.465309]" />
+    <Snapshot_8800 Velocity_0="~[0.16985,-0.799026]" />
+    <Snapshot_8900 Velocity_0="~[0.164855,-0.815852]" />
+    <Snapshot_9000 Velocity_0="~[0.134512,-0.751526]" />
+    <Snapshot_9100 Velocity_0="~[0.165356,-0.798539]" />
+    <Snapshot_9200 Velocity_0="~[0.17106,-0.824889]" />
+    <Snapshot_9300 Velocity_0="~[0.213551,-0.764075]" />
+    <Snapshot_9400 Velocity_0="~[0.1489,-0.758792]" />
+    <Snapshot_9500 Velocity_0="~[0.0946679,-0.491259]" />
+    <Snapshot_9600 Velocity_0="~[0.219578,-0.585762]" />
+    <Snapshot_9700 Velocity_0="~[0.224819,-0.773835]" />
+    <Snapshot_9800 Velocity_0="~[0.153633,-0.400763]" />
+    <Snapshot_9900 Velocity_0="~[0.249426,-0.491987]" />
+    <Snapshot_10000 Velocity_0="~[0.19315,-0.834794]" />
+    <Snapshot_10100 Velocity_0="~[0.190084,-0.828651]" />
+    <Snapshot_10200 Velocity_0="~[0.156197,-0.84397]" />
+    <Snapshot_10300 Velocity_0="~[0.160189,-0.345377]" />
+    <Snapshot_10400 Velocity_0="~[0.187729,-0.814194]" />
+    <Snapshot_10500 Velocity_0="~[0.158478,-0.765711]" />
+    <Snapshot_10600 Velocity_0="~[0.164043,-0.740207]" />
+    <Snapshot_10700 Velocity_0="~[0.14094,-0.852192]" />
+    <Snapshot_10800 Velocity_0="~[0.211127,-0.821061]" />
 </Velocity>
diff --git a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_0_result.xml b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_0_result.xml
index f56ce8ba7c..be679e9217 100644
--- a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_0_result.xml
+++ b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_0_result.xml
@@ -4,6 +4,6 @@
         <Snapshot number_of_snapshot_for_local_result_="109" />
     </Snapshot_Element>
     <Result_Element>
-        <Particle_0 snapshot_0="~[-2.30224e-08,4.29965e-16]" snapshot_1="~[0.0157108,-0.0145354]" snapshot_2="~[0.0800259,-0.0444991]" snapshot_3="~[0.162204,-0.110613]" snapshot_4="~[0.249152,-0.202279]" snapshot_5="~[0.341673,-0.276393]" snapshot_6="~[0.437496,-0.375132]" snapshot_7="~[0.487236,-0.496945]" snapshot_8="~[0.669475,-0.458305]" snapshot_9="~[0.668135,-0.553866]" snapshot_10="~[0.633814,-0.645571]" snapshot_11="~[0.691969,-0.625882]" snapshot_12="~[0.847148,-0.454108]" snapshot_13="~[0.70516,-0.630033]" snapshot_14="~[0.921613,-0.363712]" snapshot_15="~[0.704808,-0.631503]" snapshot_16="~[0.8162,-0.503054]" snapshot_17="~[0.751438,-0.614247]" snapshot_18="~[0.738736,-0.625825]" snapshot_19="~[0.843415,-0.497909]" snapshot_20="~[0.726851,-0.66063]" snapshot_21="~[0.871983,-0.397475]" snapshot_22="~[0.864434,-0.435468]" snapshot_23="~[0.876662,-0.455953]" snapshot_24="~[0.876768,-0.404266]" snapshot_25="~[0.872673,-0.466072]" snapshot_26="~[0.696378,-0.630868]" snapshot_27="~[0.871556,-0.431856]" snapshot_28="~[0.688913,-0.590423]" snapshot_29="~[0.694849,-0.601101]" snapshot_30="~[0.698836,-0.63943]" snapshot_31="~[0.71299,-0.606933]" snapshot_32="~[0.773248,-0.571768]" snapshot_33="~[0.80204,-0.582316]" snapshot_34="~[0.730381,-0.648158]" snapshot_35="~[0.930746,-0.392813]" snapshot_36="~[0.722263,-0.614515]" snapshot_37="~[0.727492,-0.568774]" snapshot_38="~[0.714847,-0.638111]" snapshot_39="~[0.913807,-0.41921]" snapshot_40="~[0.636677,-0.645341]" snapshot_41="~[0.820811,-0.519093]" snapshot_42="~[0.910099,-0.491137]" snapshot_43="~[0.929744,-0.398478]" snapshot_44="~[0.715249,-0.636744]" snapshot_45="~[0.899214,-0.462132]" snapshot_46="~[0.779972,-0.568009]" snapshot_47="~[0.758186,-0.594733]" snapshot_48="~[0.854887,-0.498524]" snapshot_49="~[0.710771,-0.626421]" snapshot_50="~[0.907972,-0.437036]" snapshot_51="~[0.748613,-0.597783]" snapshot_52="~[0.751788,-0.607964]" snapshot_53="~[0.70376,-0.60226]" snapshot_54="~[0.907144,-0.414099]" snapshot_55="~[0.759545,-0.555415]" snapshot_56="~[0.861906,-0.544813]" snapshot_57="~[0.727826,-0.601106]" snapshot_58="~[0.87144,-0.517318]" snapshot_59="~[0.693216,-0.66272]" snapshot_60="~[0.858714,-0.464623]" snapshot_61="~[0.815204,-0.574973]" snapshot_62="~[0.658114,-0.627097]" snapshot_63="~[0.88886,-0.446972]" snapshot_64="~[0.8989,-0.451018]" snapshot_65="~[0.812255,-0.5064]" snapshot_66="~[0.847113,-0.545467]" snapshot_67="~[0.675696,-0.591571]" snapshot_68="~[0.799975,-0.5191]" snapshot_69="~[0.897773,-0.470991]" snapshot_70="~[0.779331,-0.513241]" snapshot_71="~[0.827131,-0.383727]" snapshot_72="~[0.877017,-0.460092]" snapshot_73="~[0.869708,-0.442843]" snapshot_74="~[0.714596,-0.636213]" snapshot_75="~[0.7182,-0.593877]" snapshot_76="~[0.886665,-0.489846]" snapshot_77="~[0.706416,-0.62927]" snapshot_78="~[0.917208,-0.445738]" snapshot_79="~[0.667665,-0.751574]" snapshot_80="~[0.765819,-0.599594]" snapshot_81="~[0.861067,-0.404465]" snapshot_82="~[0.854204,-0.433025]" snapshot_83="~[0.863099,-0.415124]" snapshot_84="~[0.866192,-0.357671]" snapshot_85="~[0.86283,-0.489109]" snapshot_86="~[0.874794,-0.433719]" snapshot_87="~[0.716065,-0.602603]" snapshot_88="~[0.758845,-0.601997]" snapshot_89="~[0.727365,-0.58711]" snapshot_90="~[0.678327,-0.692577]" snapshot_91="~[0.910959,-0.418618]" snapshot_92="~[0.849791,-0.409865]" snapshot_93="~[0.825696,-0.456546]" snapshot_94="~[0.846246,-0.469239]" snapshot_95="~[0.711102,-0.633397]" snapshot_96="~[0.783128,-0.575725]" snapshot_97="~[0.685071,-0.654818]" snapshot_98="~[0.76764,-0.589915]" snapshot_99="~[0.880311,-0.420137]" snapshot_100="~[0.870535,-0.387888]" snapshot_101="~[0.916614,-0.436702]" snapshot_102="~[0.689853,-0.678823]" snapshot_103="~[0.870554,-0.477556]" snapshot_104="~[0.829313,-0.449346]" snapshot_105="~[0.833073,-0.525077]" snapshot_106="~[0.772691,-0.53462]" snapshot_107="~[0.632049,-0.572709]" snapshot_108="~[0.692926,-0.643587]" />
+        <Particle_0 snapshot_0="~[-2.30224e-08,2.47587e-16]" snapshot_1="~[0.0147693,-0.0135343]" snapshot_2="~[0.0626047,-0.0427125]" snapshot_3="~[0.100712,-0.119876]" snapshot_4="~[0.1595,-0.217947]" snapshot_5="~[0.161529,-0.246518]" snapshot_6="~[0.13288,-0.508893]" snapshot_7="~[0.106295,-0.398752]" snapshot_8="~[0.249047,-0.465539]" snapshot_9="~[0.0938447,-0.492727]" snapshot_10="~[0.188045,-0.557044]" snapshot_11="~[0.163428,-0.386358]" snapshot_12="~[0.234374,-0.465891]" snapshot_13="~[0.167395,-0.749952]" snapshot_14="~[0.256596,-0.505397]" snapshot_15="~[0.224462,-0.828648]" snapshot_16="~[0.269156,-0.657678]" snapshot_17="~[0.210467,-0.834071]" snapshot_18="~[0.224827,-0.840508]" snapshot_19="~[0.21374,-0.628899]" snapshot_20="~[0.135434,-0.864971]" snapshot_21="~[0.287012,-0.542691]" snapshot_22="~[0.138877,-0.821214]" snapshot_23="~[0.191712,-0.827401]" snapshot_24="~[0.158998,-0.916306]" snapshot_25="~[0.154528,-0.761211]" snapshot_26="~[0.160453,-0.812952]" snapshot_27="~[0.235765,-0.781065]" snapshot_28="~[0.135795,-0.88978]" snapshot_29="~[0.15695,-0.878013]" snapshot_30="~[0.160008,-0.773691]" snapshot_31="~[0.193592,-0.652924]" snapshot_32="~[0.15394,-0.40023]" snapshot_33="~[0.212081,-0.551889]" snapshot_34="~[0.0958028,-0.735725]" snapshot_35="~[0.132574,-0.789382]" snapshot_36="~[0.159642,-0.823772]" snapshot_37="~[0.204256,-0.481746]" snapshot_38="~[0.162738,-0.864584]" snapshot_39="~[0.160864,-0.868603]" snapshot_40="~[0.287262,-0.611227]" snapshot_41="~[0.132443,-0.679161]" snapshot_42="~[0.162683,-0.41376]" snapshot_43="~[0.168372,-0.61211]" snapshot_44="~[0.214591,-0.74312]" snapshot_45="~[0.168451,-0.857811]" snapshot_46="~[0.173043,-0.671363]" snapshot_47="~[0.142192,-0.782742]" snapshot_48="~[0.212781,-0.754768]" snapshot_49="~[0.165278,-0.874843]" snapshot_50="~[0.128083,-0.828611]" snapshot_51="~[0.154959,-0.804854]" snapshot_52="~[0.160365,-0.405309]" snapshot_53="~[0.210065,-0.676887]" snapshot_54="~[0.180728,-0.765363]" snapshot_55="~[0.183452,-0.768332]" snapshot_56="~[0.17472,-0.465318]" snapshot_57="~[0.174821,-0.931398]" snapshot_58="~[0.190349,-0.843612]" snapshot_59="~[0.148832,-0.787662]" snapshot_60="~[0.15036,-0.615893]" snapshot_61="~[0.207288,-0.4724]" snapshot_62="~[0.160139,-0.921851]" snapshot_63="~[0.231571,-0.583745]" snapshot_64="~[0.197966,-0.876868]" snapshot_65="~[0.170939,-0.810345]" snapshot_66="~[0.118277,-0.666449]" snapshot_67="~[0.203741,-0.880582]" snapshot_68="~[0.166689,-0.763971]" snapshot_69="~[0.16874,-0.42081]" snapshot_70="~[0.15797,-0.689427]" snapshot_71="~[0.131461,-0.918971]" snapshot_72="~[0.217292,-0.6943]" snapshot_73="~[0.282576,-0.677632]" snapshot_74="~[0.18145,-0.8133]" snapshot_75="~[0.126737,-0.362416]" snapshot_76="~[0.211543,-0.609113]" snapshot_77="~[0.138558,-0.723744]" snapshot_78="~[0.189669,-0.873752]" snapshot_79="~[0.178044,-0.800379]" snapshot_80="~[0.191863,-0.810561]" snapshot_81="~[0.186581,-0.92943]" snapshot_82="~[0.21869,-0.712405]" snapshot_83="~[0.318494,-0.557014]" snapshot_84="~[0.146175,-0.520097]" snapshot_85="~[0.134927,-0.701219]" snapshot_86="~[0.19459,-0.333837]" snapshot_87="~[0.154704,-0.587809]" snapshot_88="~[0.188917,-0.889767]" snapshot_89="~[0.253339,-0.441436]" snapshot_90="~[0.166631,-0.953184]" snapshot_91="~[0.210889,-0.501972]" snapshot_92="~[0.10368,-0.823313]" snapshot_93="~[0.153938,-0.826368]" snapshot_94="~[0.160527,-0.725796]" snapshot_95="~[0.179353,-0.809028]" snapshot_96="~[0.1484,-0.780591]" snapshot_97="~[0.129482,-0.58422]" snapshot_98="~[0.355139,-0.535288]" snapshot_99="~[0.181572,-0.708692]" snapshot_100="~[0.48235,-0.600495]" snapshot_101="~[0.177249,-0.787857]" snapshot_102="~[0.194192,-0.466691]" snapshot_103="~[0.184687,-0.502025]" snapshot_104="~[0.101787,-0.701789]" snapshot_105="~[0.241531,-0.767916]" snapshot_106="~[0.169668,-0.607625]" snapshot_107="~[0.221693,-0.691141]" snapshot_108="~[0.172031,-0.837013]" />
     </Result_Element>
 </result>
diff --git a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_1_result.xml b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_1_result.xml
index 6b7b9cbc34..db7802d6ba 100644
--- a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_1_result.xml
+++ b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_1_result.xml
@@ -4,6 +4,6 @@
         <Snapshot number_of_snapshot_for_local_result_="109" />
     </Snapshot_Element>
     <Result_Element>
-        <Particle_0 snapshot_0="~[-2.30224e-08,-2.60931e-16]" snapshot_1="~[0.0157108,-0.0145354]" snapshot_2="~[0.0800259,-0.0444991]" snapshot_3="~[0.161433,-0.11118]" snapshot_4="~[0.249759,-0.210191]" snapshot_5="~[0.365014,-0.274306]" snapshot_6="~[0.388326,-0.372343]" snapshot_7="~[0.504818,-0.47853]" snapshot_8="~[0.653964,-0.47214]" snapshot_9="~[0.632347,-0.549817]" snapshot_10="~[0.715749,-0.531661]" snapshot_11="~[0.662603,-0.614976]" snapshot_12="~[0.64201,-0.668013]" snapshot_13="~[0.652081,-0.606029]" snapshot_14="~[0.778511,-0.566925]" snapshot_15="~[0.876437,-0.443598]" snapshot_16="~[0.669523,-0.705978]" snapshot_17="~[0.707524,-0.623417]" snapshot_18="~[0.876549,-0.386884]" snapshot_19="~[0.839701,-0.518002]" snapshot_20="~[0.767949,-0.554313]" snapshot_21="~[0.942588,-0.325085]" snapshot_22="~[0.803627,-0.476951]" snapshot_23="~[0.852458,-0.457531]" snapshot_24="~[0.745319,-0.638201]" snapshot_25="~[0.687012,-0.61457]" snapshot_26="~[0.730607,-0.617085]" snapshot_27="~[0.90068,-0.496754]" snapshot_28="~[0.853787,-0.385621]" snapshot_29="~[0.896755,-0.414965]" snapshot_30="~[0.866756,-0.442701]" snapshot_31="~[0.773316,-0.523322]" snapshot_32="~[0.744945,-0.498057]" snapshot_33="~[0.732758,-0.680412]" snapshot_34="~[0.796464,-0.536477]" snapshot_35="~[0.749065,-0.652418]" snapshot_36="~[0.840809,-0.383543]" snapshot_37="~[0.856457,-0.462035]" snapshot_38="~[0.858005,-0.467959]" snapshot_39="~[0.717516,-0.606461]" snapshot_40="~[0.802928,-0.510332]" snapshot_41="~[0.901659,-0.443935]" snapshot_42="~[0.662171,-0.584382]" snapshot_43="~[0.680014,-0.609037]" snapshot_44="~[0.83322,-0.433551]" snapshot_45="~[0.688131,-0.658598]" snapshot_46="~[0.897264,-0.3826]" snapshot_47="~[0.69793,-0.638238]" snapshot_48="~[0.870194,-0.507722]" snapshot_49="~[0.67701,-0.595297]" snapshot_50="~[0.897288,-0.420105]" snapshot_51="~[0.688133,-0.603676]" snapshot_52="~[0.779537,-0.643638]" snapshot_53="~[0.692448,-0.619173]" snapshot_54="~[0.792484,-0.495019]" snapshot_55="~[0.670506,-0.622825]" snapshot_56="~[0.914936,-0.386776]" snapshot_57="~[0.821349,-0.483567]" snapshot_58="~[0.729143,-0.611976]" snapshot_59="~[0.853537,-0.451054]" snapshot_60="~[0.738087,-0.588717]" snapshot_61="~[0.854602,-0.477325]" snapshot_62="~[0.72876,-0.688781]" snapshot_63="~[0.895903,-0.451731]" snapshot_64="~[0.703507,-0.584902]" snapshot_65="~[0.737013,-0.607251]" snapshot_66="~[0.740679,-0.610931]" snapshot_67="~[0.658437,-0.657783]" snapshot_68="~[0.796725,-0.557167]" snapshot_69="~[0.887792,-0.49305]" snapshot_70="~[0.717039,-0.598966]" snapshot_71="~[0.754112,-0.587247]" snapshot_72="~[0.634855,-0.66314]" snapshot_73="~[0.743374,-0.650254]" snapshot_74="~[0.674502,-0.643269]" snapshot_75="~[0.915552,-0.445661]" snapshot_76="~[0.689324,-0.60294]" snapshot_77="~[0.805961,-0.500304]" snapshot_78="~[0.892305,-0.447024]" snapshot_79="~[0.892135,-0.490922]" snapshot_80="~[0.689993,-0.608106]" snapshot_81="~[0.832413,-0.502369]" snapshot_82="~[0.908792,-0.353683]" snapshot_83="~[0.724725,-0.677336]" snapshot_84="~[0.853651,-0.481245]" snapshot_85="~[0.744574,-0.594683]" snapshot_86="~[0.859433,-0.464212]" snapshot_87="~[0.640411,-0.603607]" snapshot_88="~[0.732882,-0.628435]" snapshot_89="~[0.723309,-0.584755]" snapshot_90="~[0.782882,-0.610207]" snapshot_91="~[0.714148,-0.561236]" snapshot_92="~[0.845935,-0.440953]" snapshot_93="~[0.704982,-0.666633]" snapshot_94="~[0.662626,-0.607003]" snapshot_95="~[0.744388,-0.592222]" snapshot_96="~[0.708582,-0.632998]" snapshot_97="~[0.667959,-0.629928]" snapshot_98="~[0.86605,-0.506501]" snapshot_99="~[0.67682,-0.669119]" snapshot_100="~[0.858571,-0.553416]" snapshot_101="~[0.709567,-0.60118]" snapshot_102="~[0.763929,-0.504665]" snapshot_103="~[0.666611,-0.64228]" snapshot_104="~[0.898511,-0.453464]" snapshot_105="~[0.905225,-0.473492]" snapshot_106="~[0.894641,-0.428171]" snapshot_107="~[0.726495,-0.63172]" snapshot_108="~[0.707771,-0.639339]" />
+        <Particle_0 snapshot_0="~[-2.30224e-08,-2.01131e-16]" snapshot_1="~[0.0147693,-0.0135343]" snapshot_2="~[0.0627144,-0.0426824]" snapshot_3="~[0.100712,-0.119876]" snapshot_4="~[0.16664,-0.215985]" snapshot_5="~[0.147482,-0.269928]" snapshot_6="~[0.138446,-0.574468]" snapshot_7="~[0.149776,-0.40268]" snapshot_8="~[0.211576,-0.51332]" snapshot_9="~[0.152853,-0.545651]" snapshot_10="~[0.459879,-0.446564]" snapshot_11="~[0.178146,-0.552665]" snapshot_12="~[0.249695,-0.467191]" snapshot_13="~[0.180492,-0.635201]" snapshot_14="~[0.167708,-0.769327]" snapshot_15="~[0.182082,-0.814123]" snapshot_16="~[0.380352,-0.566587]" snapshot_17="~[0.222944,-0.860629]" snapshot_18="~[0.158705,-0.784198]" snapshot_19="~[0.159859,-0.44329]" snapshot_20="~[0.599128,-0.4483]" snapshot_21="~[0.157769,-0.807859]" snapshot_22="~[0.163982,-0.825187]" snapshot_23="~[0.157607,-0.756705]" snapshot_24="~[0.242876,-0.607399]" snapshot_25="~[0.164815,-0.944901]" snapshot_26="~[0.121996,-0.760859]" snapshot_27="~[0.21533,-0.739515]" snapshot_28="~[0.192366,-0.85298]" snapshot_29="~[0.213461,-0.527878]" snapshot_30="~[0.153919,-0.820424]" snapshot_31="~[0.203487,-0.696336]" snapshot_32="~[0.184896,-0.64331]" snapshot_33="~[0.242672,-0.513637]" snapshot_34="~[0.164644,-0.725661]" snapshot_35="~[0.209406,-0.755192]" snapshot_36="~[0.166834,-0.761405]" snapshot_37="~[0.162916,-0.825412]" snapshot_38="~[0.165165,-0.722389]" snapshot_39="~[0.200903,-0.448287]" snapshot_40="~[0.174331,-0.822489]" snapshot_41="~[0.184651,-0.587918]" snapshot_42="~[0.204554,-0.56496]" snapshot_43="~[0.216021,-0.47949]" snapshot_44="~[0.16371,-0.839717]" snapshot_45="~[0.225354,-0.87757]" snapshot_46="~[0.22796,-0.471913]" snapshot_47="~[0.209303,-0.784278]" snapshot_48="~[0.142796,-0.849257]" snapshot_49="~[0.146332,-0.82095]" snapshot_50="~[0.315689,-0.484006]" snapshot_51="~[0.203253,-0.577818]" snapshot_52="~[0.143228,-0.745119]" snapshot_53="~[0.1539,-0.729759]" snapshot_54="~[0.226039,-0.846015]" snapshot_55="~[0.166917,-0.814769]" snapshot_56="~[0.149673,-0.766487]" snapshot_57="~[0.169295,-0.73942]" snapshot_58="~[0.142198,-0.746136]" snapshot_59="~[0.197526,-0.729584]" snapshot_60="~[0.201765,-0.540745]" snapshot_61="~[0.204604,-0.780113]" snapshot_62="~[0.181589,-0.788349]" snapshot_63="~[0.136344,-0.659052]" snapshot_64="~[0.1904,-0.487635]" snapshot_65="~[0.176514,-0.409494]" snapshot_66="~[0.19687,-0.732377]" snapshot_67="~[0.250645,-0.835413]" snapshot_68="~[0.187956,-0.966692]" snapshot_69="~[0.160238,-0.881481]" snapshot_70="~[0.179414,-0.511352]" snapshot_71="~[0.137774,-0.761025]" snapshot_72="~[0.179072,-0.434723]" snapshot_73="~[0.173049,-0.788361]" snapshot_74="~[0.218297,-0.660499]" snapshot_75="~[0.137664,-0.739023]" snapshot_76="~[0.15335,-0.764387]" snapshot_77="~[0.191548,-0.390739]" snapshot_78="~[0.154499,-0.412702]" snapshot_79="~[0.150563,-0.605761]" snapshot_80="~[0.169825,-0.358402]" snapshot_81="~[0.164127,-0.826719]" snapshot_82="~[0.206887,-0.667005]" snapshot_83="~[0.158309,-0.695798]" snapshot_84="~[0.175388,-0.851547]" snapshot_85="~[0.236605,-0.667432]" snapshot_86="~[0.287115,-0.571113]" snapshot_87="~[0.154611,-0.846578]" snapshot_88="~[0.185459,-0.772002]" snapshot_89="~[0.16991,-0.458452]" snapshot_90="~[0.181664,-0.828376]" snapshot_91="~[0.292188,-0.541064]" snapshot_92="~[0.199347,-0.619098]" snapshot_93="~[0.174763,-0.435883]" snapshot_94="~[0.224434,-0.698946]" snapshot_95="~[0.136447,-0.82169]" snapshot_96="~[0.206523,-0.700766]" snapshot_97="~[0.191209,-0.804618]" snapshot_98="~[0.268201,-0.565645]" snapshot_99="~[0.206844,-0.715658]" snapshot_100="~[0.161726,-0.820282]" snapshot_101="~[0.294854,-0.724873]" snapshot_102="~[0.188094,-0.479937]" snapshot_103="~[0.189137,-0.876284]" snapshot_104="~[0.135389,-0.38166]" snapshot_105="~[0.250887,-0.543964]" snapshot_106="~[0.171594,-0.886041]" snapshot_107="~[0.181047,-0.654587]" snapshot_108="~[0.146918,-0.84136]" />
     </Result_Element>
 </result>
diff --git a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_2_result.xml b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_2_result.xml
index 7a4fe70a93..731aa1e324 100644
--- a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_2_result.xml
+++ b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_2_result.xml
@@ -4,6 +4,6 @@
         <Snapshot number_of_snapshot_for_local_result_="109" />
     </Snapshot_Element>
     <Result_Element>
-        <Particle_0 snapshot_0="~[-2.30224e-08,-1.52226e-16]" snapshot_1="~[0.0157108,-0.0145354]" snapshot_2="~[0.0800259,-0.0444991]" snapshot_3="~[0.161433,-0.11118]" snapshot_4="~[0.234989,-0.212219]" snapshot_5="~[0.369721,-0.2402]" snapshot_6="~[0.400598,-0.395768]" snapshot_7="~[0.544159,-0.473038]" snapshot_8="~[0.598736,-0.497074]" snapshot_9="~[0.654129,-0.554433]" snapshot_10="~[0.651718,-0.605678]" snapshot_11="~[0.693197,-0.626931]" snapshot_12="~[0.765653,-0.527594]" snapshot_13="~[0.900047,-0.408783]" snapshot_14="~[0.75559,-0.631928]" snapshot_15="~[0.831667,-0.480206]" snapshot_16="~[0.882172,-0.426243]" snapshot_17="~[0.771713,-0.521947]" snapshot_18="~[0.784418,-0.481833]" snapshot_19="~[0.733144,-0.62242]" snapshot_20="~[0.676321,-0.678875]" snapshot_21="~[0.832036,-0.456239]" snapshot_22="~[0.841825,-0.465782]" snapshot_23="~[0.887736,-0.459694]" snapshot_24="~[0.709026,-0.68982]" snapshot_25="~[0.858555,-0.515778]" snapshot_26="~[0.679667,-0.656752]" snapshot_27="~[0.892493,-0.466069]" snapshot_28="~[0.851824,-0.479419]" snapshot_29="~[0.742251,-0.542606]" snapshot_30="~[0.697789,-0.61035]" snapshot_31="~[0.823197,-0.418794]" snapshot_32="~[0.706236,-0.656799]" snapshot_33="~[0.909216,-0.4741]" snapshot_34="~[0.661242,-0.678513]" snapshot_35="~[0.84928,-0.476955]" snapshot_36="~[0.711013,-0.598723]" snapshot_37="~[0.899793,-0.43477]" snapshot_38="~[0.734027,-0.624891]" snapshot_39="~[0.683157,-0.611697]" snapshot_40="~[0.679291,-0.577929]" snapshot_41="~[0.884709,-0.427009]" snapshot_42="~[0.817745,-0.496511]" snapshot_43="~[0.798595,-0.559948]" snapshot_44="~[0.812925,-0.488984]" snapshot_45="~[0.862255,-0.480381]" snapshot_46="~[0.880304,-0.488747]" snapshot_47="~[0.739677,-0.590523]" snapshot_48="~[0.634232,-0.670648]" snapshot_49="~[0.72596,-0.608366]" snapshot_50="~[0.911483,-0.40322]" snapshot_51="~[0.816882,-0.542505]" snapshot_52="~[0.668937,-0.661255]" snapshot_53="~[0.750212,-0.527027]" snapshot_54="~[0.673689,-0.641298]" snapshot_55="~[0.727722,-0.628192]" snapshot_56="~[0.726294,-0.633278]" snapshot_57="~[0.76676,-0.532532]" snapshot_58="~[0.917936,-0.397091]" snapshot_59="~[0.730938,-0.58785]" snapshot_60="~[0.850728,-0.44666]" snapshot_61="~[0.76556,-0.556866]" snapshot_62="~[0.651687,-0.670295]" snapshot_63="~[0.823797,-0.517452]" snapshot_64="~[0.890792,-0.466961]" snapshot_65="~[0.746244,-0.539695]" snapshot_66="~[0.651733,-0.683052]" snapshot_67="~[0.899106,-0.436168]" snapshot_68="~[0.902138,-0.44263]" snapshot_69="~[0.637521,-0.604066]" snapshot_70="~[0.939022,-0.419115]" snapshot_71="~[0.673674,-0.630785]" snapshot_72="~[0.808963,-0.568951]" snapshot_73="~[0.658189,-0.586384]" snapshot_74="~[0.677738,-0.630184]" snapshot_75="~[0.845059,-0.513124]" snapshot_76="~[0.861412,-0.476913]" snapshot_77="~[0.7199,-0.540323]" snapshot_78="~[0.767934,-0.579656]" snapshot_79="~[0.743015,-0.602099]" snapshot_80="~[0.853695,-0.421833]" snapshot_81="~[0.880007,-0.467923]" snapshot_82="~[0.689307,-0.637734]" snapshot_83="~[0.824302,-0.395209]" snapshot_84="~[0.695611,-0.648786]" snapshot_85="~[0.878906,-0.537257]" snapshot_86="~[0.87881,-0.452416]" snapshot_87="~[0.794342,-0.56763]" snapshot_88="~[0.708445,-0.720125]" snapshot_89="~[0.862176,-0.498738]" snapshot_90="~[0.706036,-0.596766]" snapshot_91="~[0.88651,-0.478821]" snapshot_92="~[0.698391,-0.587466]" snapshot_93="~[0.809305,-0.561133]" snapshot_94="~[0.784298,-0.535989]" snapshot_95="~[0.81131,-0.567264]" snapshot_96="~[0.704851,-0.664694]" snapshot_97="~[0.747582,-0.592011]" snapshot_98="~[0.918137,-0.399814]" snapshot_99="~[0.904431,-0.457992]" snapshot_100="~[0.892239,-0.465941]" snapshot_101="~[0.721752,-0.613082]" snapshot_102="~[0.708523,-0.630882]" snapshot_103="~[0.693503,-0.554621]" snapshot_104="~[0.668142,-0.682352]" snapshot_105="~[0.756547,-0.585032]" snapshot_106="~[0.717751,-0.62146]" snapshot_107="~[0.747335,-0.5225]" snapshot_108="~[0.910493,-0.434145]" />
+        <Particle_0 snapshot_0="~[-2.30224e-08,8.44502e-16]" snapshot_1="~[0.0147693,-0.0135343]" snapshot_2="~[0.0627144,-0.0426824]" snapshot_3="~[0.100712,-0.119876]" snapshot_4="~[0.152299,-0.222648]" snapshot_5="~[0.205917,-0.269165]" snapshot_6="~[0.132995,-0.461267]" snapshot_7="~[0.168957,-0.463008]" snapshot_8="~[0.144706,-0.389033]" snapshot_9="~[0.12138,-0.307754]" snapshot_10="~[0.255036,-0.531531]" snapshot_11="~[0.167807,-0.56226]" snapshot_12="~[0.148856,-0.549799]" snapshot_13="~[0.162759,-0.737127]" snapshot_14="~[0.172558,-0.815532]" snapshot_15="~[0.219206,-0.493248]" snapshot_16="~[0.333209,-0.605977]" snapshot_17="~[0.151861,-0.892326]" snapshot_18="~[0.147751,-0.784617]" snapshot_19="~[0.180347,-0.884617]" snapshot_20="~[0.158566,-0.694184]" snapshot_21="~[0.171436,-0.593146]" snapshot_22="~[0.205841,-0.485981]" snapshot_23="~[0.249858,-0.776286]" snapshot_24="~[0.37557,-0.610034]" snapshot_25="~[0.173946,-0.76504]" snapshot_26="~[0.164295,-0.85593]" snapshot_27="~[0.217901,-0.468011]" snapshot_28="~[0.16184,-0.47067]" snapshot_29="~[0.100422,-0.308947]" snapshot_30="~[0.186258,-0.650111]" snapshot_31="~[0.129356,-0.452849]" snapshot_32="~[0.239976,-0.612925]" snapshot_33="~[0.124424,-0.485634]" snapshot_34="~[0.157899,-0.509041]" snapshot_35="~[0.225794,-0.647563]" snapshot_36="~[0.219194,-0.546396]" snapshot_37="~[0.174761,-0.732355]" snapshot_38="~[0.21813,-0.53009]" snapshot_39="~[0.159957,-0.89176]" snapshot_40="~[0.205179,-0.471046]" snapshot_41="~[0.22515,-0.620405]" snapshot_42="~[0.0991191,-0.35637]" snapshot_43="~[0.136969,-0.788728]" snapshot_44="~[0.15146,-0.694785]" snapshot_45="~[0.1262,-0.779218]" snapshot_46="~[0.284551,-0.520733]" snapshot_47="~[0.20262,-0.656814]" snapshot_48="~[0.157988,-0.794871]" snapshot_49="~[0.218731,-0.707728]" snapshot_50="~[0.164016,-0.710575]" snapshot_51="~[0.144978,-0.7797]" snapshot_52="~[0.190825,-0.855726]" snapshot_53="~[0.144404,-0.950627]" snapshot_54="~[0.13075,-0.689305]" snapshot_55="~[0.187115,-0.855827]" snapshot_56="~[0.20281,-0.470587]" snapshot_57="~[0.338724,-0.455391]" snapshot_58="~[0.0959699,-0.285514]" snapshot_59="~[0.126695,-0.795239]" snapshot_60="~[0.519733,-0.281393]" snapshot_61="~[0.145317,-0.935836]" snapshot_62="~[0.135477,-0.658564]" snapshot_63="~[0.205582,-0.889714]" snapshot_64="~[0.180543,-0.747795]" snapshot_65="~[0.19587,-0.66885]" snapshot_66="~[0.160702,-0.588101]" snapshot_67="~[0.127431,-0.344179]" snapshot_68="~[0.141944,-0.874635]" snapshot_69="~[0.131363,-0.825709]" snapshot_70="~[0.196002,-0.699517]" snapshot_71="~[0.224759,-0.533377]" snapshot_72="~[0.158245,-0.792146]" snapshot_73="~[0.15207,-0.386268]" snapshot_74="~[0.178054,-0.624692]" snapshot_75="~[0.231586,-0.765791]" snapshot_76="~[0.173567,-0.82714]" snapshot_77="~[0.146603,-0.814926]" snapshot_78="~[0.174085,-0.531337]" snapshot_79="~[0.189899,-0.874873]" snapshot_80="~[0.191519,-0.507721]" snapshot_81="~[0.20157,-0.750622]" snapshot_82="~[0.120108,-0.667672]" snapshot_83="~[0.185937,-0.797867]" snapshot_84="~[0.180592,-0.865347]" snapshot_85="~[0.145462,-0.986615]" snapshot_86="~[0.214664,-0.875385]" snapshot_87="~[0.129487,-0.596895]" snapshot_88="~[0.19141,-0.577069]" snapshot_89="~[0.184934,-0.560099]" snapshot_90="~[0.187464,-0.871209]" snapshot_91="~[0.163392,-0.631907]" snapshot_92="~[0.168565,-0.809419]" snapshot_93="~[0.229135,-0.679536]" snapshot_94="~[0.168613,-0.717514]" snapshot_95="~[0.134798,-0.602491]" snapshot_96="~[0.210308,-0.675352]" snapshot_97="~[0.163833,-0.823156]" snapshot_98="~[0.140603,-0.595403]" snapshot_99="~[0.177578,-0.688948]" snapshot_100="~[0.196034,-0.832957]" snapshot_101="~[0.22233,-0.785522]" snapshot_102="~[0.168386,-0.833242]" snapshot_103="~[0.201904,-0.881984]" snapshot_104="~[0.147861,-0.733535]" snapshot_105="~[0.176971,-0.759424]" snapshot_106="~[0.21141,-0.511745]" snapshot_107="~[0.175737,-0.740414]" snapshot_108="~[0.214168,-0.954332]" />
     </Result_Element>
 </result>
diff --git a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_3_result.xml b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_3_result.xml
index efd750db34..1dc8a11b13 100644
--- a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_3_result.xml
+++ b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_3_result.xml
@@ -4,6 +4,6 @@
         <Snapshot number_of_snapshot_for_local_result_="109" />
     </Snapshot_Element>
     <Result_Element>
-        <Particle_0 snapshot_0="~[-2.30224e-08,2.94353e-16]" snapshot_1="~[0.0157108,-0.0145354]" snapshot_2="~[0.0800661,-0.0444808]" snapshot_3="~[0.161433,-0.11118]" snapshot_4="~[0.240579,-0.220661]" snapshot_5="~[0.353294,-0.247844]" snapshot_6="~[0.428567,-0.382445]" snapshot_7="~[0.511976,-0.473774]" snapshot_8="~[0.505975,-0.488524]" snapshot_9="~[0.647998,-0.549953]" snapshot_10="~[0.650742,-0.639056]" snapshot_11="~[0.713728,-0.623255]" snapshot_12="~[0.680948,-0.628913]" snapshot_13="~[0.731303,-0.638666]" snapshot_14="~[0.868128,-0.450422]" snapshot_15="~[0.701457,-0.598652]" snapshot_16="~[0.750113,-0.569865]" snapshot_17="~[0.91874,-0.419141]" snapshot_18="~[0.649757,-0.66493]" snapshot_19="~[0.71527,-0.612208]" snapshot_20="~[0.660011,-0.704753]" snapshot_21="~[0.862031,-0.429862]" snapshot_22="~[0.64486,-0.606931]" snapshot_23="~[0.725987,-0.59004]" snapshot_24="~[0.654775,-0.754045]" snapshot_25="~[0.687071,-0.67573]" snapshot_26="~[0.777202,-0.467241]" snapshot_27="~[0.654033,-0.685928]" snapshot_28="~[0.824656,-0.484395]" snapshot_29="~[0.889284,-0.41803]" snapshot_30="~[0.7017,-0.62211]" snapshot_31="~[0.905039,-0.441686]" snapshot_32="~[0.845817,-0.463527]" snapshot_33="~[0.682531,-0.618317]" snapshot_34="~[0.736462,-0.548919]" snapshot_35="~[0.686983,-0.622639]" snapshot_36="~[0.860613,-0.432281]" snapshot_37="~[0.877647,-0.480812]" snapshot_38="~[0.747383,-0.642301]" snapshot_39="~[0.773027,-0.534776]" snapshot_40="~[0.840867,-0.415573]" snapshot_41="~[0.626675,-0.622817]" snapshot_42="~[0.884408,-0.421163]" snapshot_43="~[0.866928,-0.351412]" snapshot_44="~[0.652751,-0.647697]" snapshot_45="~[0.677837,-0.672812]" snapshot_46="~[0.724269,-0.603857]" snapshot_47="~[0.75072,-0.600542]" snapshot_48="~[0.897817,-0.383674]" snapshot_49="~[0.668439,-0.631005]" snapshot_50="~[0.871932,-0.470012]" snapshot_51="~[0.687915,-0.64907]" snapshot_52="~[0.89036,-0.41678]" snapshot_53="~[0.710765,-0.625372]" snapshot_54="~[0.729135,-0.591582]" snapshot_55="~[0.652693,-0.629289]" snapshot_56="~[0.726603,-0.626129]" snapshot_57="~[0.718963,-0.648979]" snapshot_58="~[0.737345,-0.636532]" snapshot_59="~[0.868188,-0.447298]" snapshot_60="~[0.730681,-0.620949]" snapshot_61="~[0.764806,-0.625496]" snapshot_62="~[0.642718,-0.606845]" snapshot_63="~[0.725904,-0.635948]" snapshot_64="~[0.877883,-0.4654]" snapshot_65="~[0.695087,-0.612526]" snapshot_66="~[0.825525,-0.464367]" snapshot_67="~[0.745328,-0.593051]" snapshot_68="~[0.741573,-0.632932]" snapshot_69="~[0.64231,-0.636377]" snapshot_70="~[0.681509,-0.614386]" snapshot_71="~[0.890354,-0.416978]" snapshot_72="~[0.765656,-0.572591]" snapshot_73="~[0.902221,-0.429545]" snapshot_74="~[0.65572,-0.655988]" snapshot_75="~[0.759938,-0.509749]" snapshot_76="~[0.804352,-0.501784]" snapshot_77="~[0.863802,-0.465019]" snapshot_78="~[0.895705,-0.46103]" snapshot_79="~[0.938652,-0.428007]" snapshot_80="~[0.882728,-0.427735]" snapshot_81="~[0.751648,-0.616996]" snapshot_82="~[0.69086,-0.645855]" snapshot_83="~[0.889498,-0.448899]" snapshot_84="~[0.76191,-0.579599]" snapshot_85="~[0.871394,-0.49127]" snapshot_86="~[0.682675,-0.610406]" snapshot_87="~[0.684104,-0.651997]" snapshot_88="~[0.873786,-0.458083]" snapshot_89="~[0.761698,-0.534232]" snapshot_90="~[0.668259,-0.640118]" snapshot_91="~[0.782552,-0.566508]" snapshot_92="~[0.772147,-0.58614]" snapshot_93="~[0.885378,-0.480118]" snapshot_94="~[0.694699,-0.584331]" snapshot_95="~[0.710618,-0.610485]" snapshot_96="~[0.811394,-0.497541]" snapshot_97="~[0.686381,-0.622775]" snapshot_98="~[0.833781,-0.487816]" snapshot_99="~[0.757892,-0.629105]" snapshot_100="~[0.74261,-0.573265]" snapshot_101="~[0.839203,-0.428332]" snapshot_102="~[0.846424,-0.462878]" snapshot_103="~[0.904614,-0.417881]" snapshot_104="~[0.669245,-0.632738]" snapshot_105="~[0.675534,-0.675296]" snapshot_106="~[0.866689,-0.540009]" snapshot_107="~[0.754224,-0.636735]" snapshot_108="~[0.68432,-0.695805]" />
+        <Particle_0 snapshot_0="~[-2.30224e-08,-2.71436e-16]" snapshot_1="~[0.0147693,-0.0135343]" snapshot_2="~[0.0626047,-0.0427125]" snapshot_3="~[0.100712,-0.119876]" snapshot_4="~[0.165747,-0.219299]" snapshot_5="~[0.196464,-0.288581]" snapshot_6="~[0.110752,-0.481828]" snapshot_7="~[0.169122,-0.495184]" snapshot_8="~[0.206231,-0.412546]" snapshot_9="~[0.148455,-0.351939]" snapshot_10="~[0.430525,-0.528145]" snapshot_11="~[0.164715,-0.402974]" snapshot_12="~[0.225145,-0.474482]" snapshot_13="~[0.188915,-0.74282]" snapshot_14="~[0.152851,-0.832067]" snapshot_15="~[0.205586,-0.808152]" snapshot_16="~[0.16006,-0.871537]" snapshot_17="~[0.284319,-0.598486]" snapshot_18="~[0.146583,-0.901948]" snapshot_19="~[0.176559,-0.624965]" snapshot_20="~[0.142268,-0.800635]" snapshot_21="~[0.22976,-0.537823]" snapshot_22="~[0.171203,-0.737604]" snapshot_23="~[0.16316,-0.431028]" snapshot_24="~[0.188968,-0.808337]" snapshot_25="~[0.199737,-0.794849]" snapshot_26="~[0.202223,-0.912613]" snapshot_27="~[0.170551,-0.841836]" snapshot_28="~[0.135336,-0.738446]" snapshot_29="~[0.176388,-0.772704]" snapshot_30="~[0.182426,-0.753323]" snapshot_31="~[0.166752,-0.484848]" snapshot_32="~[0.189639,-0.696202]" snapshot_33="~[0.195243,-0.705616]" snapshot_34="~[0.192046,-0.916906]" snapshot_35="~[0.154857,-0.95251]" snapshot_36="~[0.18405,-0.504112]" snapshot_37="~[0.155979,-0.523224]" snapshot_38="~[0.299469,-0.652552]" snapshot_39="~[0.191668,-0.727164]" snapshot_40="~[0.117293,-0.489374]" snapshot_41="~[0.17477,-0.654048]" snapshot_42="~[0.121288,-0.464446]" snapshot_43="~[0.204122,-0.791646]" snapshot_44="~[0.172505,-0.629146]" snapshot_45="~[0.137547,-0.835068]" snapshot_46="~[0.219152,-0.535277]" snapshot_47="~[0.346266,-0.53008]" snapshot_48="~[0.160701,-0.865856]" snapshot_49="~[0.205703,-0.817234]" snapshot_50="~[0.173154,-0.58445]" snapshot_51="~[0.235756,-0.489796]" snapshot_52="~[0.157501,-0.697989]" snapshot_53="~[0.182698,-0.649079]" snapshot_54="~[0.160922,-0.528576]" snapshot_55="~[0.13444,-0.392141]" snapshot_56="~[0.159104,-0.852482]" snapshot_57="~[0.186255,-0.593741]" snapshot_58="~[0.244834,-0.57215]" snapshot_59="~[0.210124,-0.490944]" snapshot_60="~[0.187926,-0.694093]" snapshot_61="~[0.187981,-0.42837]" snapshot_62="~[0.171561,-0.468561]" snapshot_63="~[0.167378,-0.435195]" snapshot_64="~[0.186275,-0.673879]" snapshot_65="~[0.136958,-0.82109]" snapshot_66="~[0.238184,-0.527325]" snapshot_67="~[0.196528,-0.566983]" snapshot_68="~[0.164431,-0.412831]" snapshot_69="~[0.156381,-0.715679]" snapshot_70="~[0.152596,-0.699331]" snapshot_71="~[0.188775,-0.423198]" snapshot_72="~[0.25322,-0.59078]" snapshot_73="~[0.194454,-0.659626]" snapshot_74="~[0.181257,-0.428369]" snapshot_75="~[0.186631,-0.633566]" snapshot_76="~[0.257635,-0.451307]" snapshot_77="~[0.230794,-0.445333]" snapshot_78="~[0.188759,-0.813194]" snapshot_79="~[0.197229,-0.680711]" snapshot_80="~[0.204079,-0.576366]" snapshot_81="~[0.170115,-0.543544]" snapshot_82="~[0.246863,-0.671593]" snapshot_83="~[0.184656,-0.854053]" snapshot_84="~[0.141342,-0.663585]" snapshot_85="~[0.261184,-0.463645]" snapshot_86="~[0.162993,-0.458461]" snapshot_87="~[0.151874,-0.863565]" snapshot_88="~[0.167367,-0.751977]" snapshot_89="~[0.164303,-0.389346]" snapshot_90="~[0.077335,-0.306916]" snapshot_91="~[0.153536,-0.433858]" snapshot_92="~[0.212066,-0.723415]" snapshot_93="~[0.118592,-0.364428]" snapshot_94="~[0.151295,-0.795161]" snapshot_95="~[0.210808,-0.910778]" snapshot_96="~[0.111122,-0.570446]" snapshot_97="~[0.158923,-0.532562]" snapshot_98="~[0.134691,-0.446589]" snapshot_99="~[0.215578,-0.759729]" snapshot_100="~[0.189789,-0.538277]" snapshot_101="~[0.143428,-0.571657]" snapshot_102="~[0.152624,-0.463944]" snapshot_103="~[0.171975,-0.886144]" snapshot_104="~[0.179515,-0.832656]" snapshot_105="~[0.138142,-0.571238]" snapshot_106="~[0.544952,-0.376864]" snapshot_107="~[0.273508,-0.333788]" snapshot_108="~[0.215701,-0.584123]" />
     </Result_Element>
 </result>
diff --git a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_4_result.xml b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_4_result.xml
index 34429d6b70..fd66767258 100644
--- a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_4_result.xml
+++ b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_4_result.xml
@@ -4,6 +4,6 @@
         <Snapshot number_of_snapshot_for_local_result_="109" />
     </Snapshot_Element>
     <Result_Element>
-        <Particle_0 snapshot_0="~[-2.30224e-08,5.72871e-16]" snapshot_1="~[0.0157108,-0.0145354]" snapshot_2="~[0.0800661,-0.0444808]" snapshot_3="~[0.162204,-0.110613]" snapshot_4="~[0.246619,-0.216337]" snapshot_5="~[0.368548,-0.258352]" snapshot_6="~[0.40232,-0.422561]" snapshot_7="~[0.498763,-0.501794]" snapshot_8="~[0.584701,-0.516931]" snapshot_9="~[0.614983,-0.569163]" snapshot_10="~[0.664176,-0.624088]" snapshot_11="~[0.688668,-0.660362]" snapshot_12="~[0.660642,-0.670793]" snapshot_13="~[0.896549,-0.44781]" snapshot_14="~[0.629495,-0.739688]" snapshot_15="~[0.886133,-0.427637]" snapshot_16="~[0.862135,-0.574032]" snapshot_17="~[0.78437,-0.559244]" snapshot_18="~[0.727965,-0.574421]" snapshot_19="~[0.705964,-0.652273]" snapshot_20="~[0.891822,-0.422724]" snapshot_21="~[0.838382,-0.490788]" snapshot_22="~[0.778345,-0.489175]" snapshot_23="~[0.87569,-0.514731]" snapshot_24="~[0.762763,-0.639996]" snapshot_25="~[0.788513,-0.532554]" snapshot_26="~[0.701341,-0.655359]" snapshot_27="~[0.778935,-0.561586]" snapshot_28="~[0.852936,-0.488264]" snapshot_29="~[0.667673,-0.654153]" snapshot_30="~[0.902856,-0.434295]" snapshot_31="~[0.690069,-0.620994]" snapshot_32="~[0.707554,-0.646837]" snapshot_33="~[0.65315,-0.635265]" snapshot_34="~[0.918326,-0.461779]" snapshot_35="~[0.711008,-0.611886]" snapshot_36="~[0.74465,-0.587206]" snapshot_37="~[0.760384,-0.596472]" snapshot_38="~[0.648089,-0.680918]" snapshot_39="~[0.845562,-0.448995]" snapshot_40="~[0.824226,-0.571128]" snapshot_41="~[0.710998,-0.633321]" snapshot_42="~[0.874968,-0.453187]" snapshot_43="~[0.800738,-0.525034]" snapshot_44="~[0.720784,-0.652146]" snapshot_45="~[0.772542,-0.52614]" snapshot_46="~[0.923631,-0.404498]" snapshot_47="~[0.845761,-0.541254]" snapshot_48="~[0.750057,-0.638383]" snapshot_49="~[0.717298,-0.58912]" snapshot_50="~[0.667022,-0.646238]" snapshot_51="~[0.781071,-0.50854]" snapshot_52="~[0.919774,-0.398156]" snapshot_53="~[0.929183,-0.398385]" snapshot_54="~[0.776561,-0.540413]" snapshot_55="~[0.761725,-0.525471]" snapshot_56="~[0.698397,-0.660153]" snapshot_57="~[0.920376,-0.476779]" snapshot_58="~[0.721041,-0.64321]" snapshot_59="~[0.699506,-0.577873]" snapshot_60="~[0.693155,-0.609439]" snapshot_61="~[0.869334,-0.441208]" snapshot_62="~[0.863976,-0.408276]" snapshot_63="~[0.76979,-0.522393]" snapshot_64="~[0.70794,-0.555092]" snapshot_65="~[0.87077,-0.449048]" snapshot_66="~[0.80868,-0.53898]" snapshot_67="~[0.790216,-0.534921]" snapshot_68="~[0.745829,-0.614345]" snapshot_69="~[0.837491,-0.519131]" snapshot_70="~[0.882675,-0.431308]" snapshot_71="~[0.739197,-0.665829]" snapshot_72="~[0.758705,-0.567364]" snapshot_73="~[0.694938,-0.636387]" snapshot_74="~[0.791726,-0.542699]" snapshot_75="~[0.908274,-0.457118]" snapshot_76="~[0.697548,-0.660652]" snapshot_77="~[0.762274,-0.58618]" snapshot_78="~[0.9108,-0.400655]" snapshot_79="~[0.705663,-0.656946]" snapshot_80="~[0.921376,-0.399607]" snapshot_81="~[0.832342,-0.533908]" snapshot_82="~[0.869122,-0.404452]" snapshot_83="~[0.86863,-0.370266]" snapshot_84="~[0.906574,-0.406149]" snapshot_85="~[0.909787,-0.379854]" snapshot_86="~[0.854055,-0.495539]" snapshot_87="~[0.814196,-0.540584]" snapshot_88="~[0.918567,-0.396028]" snapshot_89="~[0.67843,-0.672703]" snapshot_90="~[0.910129,-0.439549]" snapshot_91="~[0.708232,-0.666716]" snapshot_92="~[0.763105,-0.5788]" snapshot_93="~[0.773441,-0.526077]" snapshot_94="~[0.727784,-0.644285]" snapshot_95="~[0.721338,-0.628101]" snapshot_96="~[0.849533,-0.503305]" snapshot_97="~[0.667515,-0.654854]" snapshot_98="~[0.883897,-0.45892]" snapshot_99="~[0.716683,-0.600859]" snapshot_100="~[0.796519,-0.54345]" snapshot_101="~[0.854206,-0.380417]" snapshot_102="~[0.723706,-0.629656]" snapshot_103="~[0.904948,-0.497404]" snapshot_104="~[0.764904,-0.474008]" snapshot_105="~[0.683983,-0.645607]" snapshot_106="~[0.70014,-0.659237]" snapshot_107="~[0.86552,-0.427015]" snapshot_108="~[0.727532,-0.638747]" />
+        <Particle_0 snapshot_0="~[-2.30224e-08,2.76001e-16]" snapshot_1="~[0.0147693,-0.0135343]" snapshot_2="~[0.0627144,-0.0426824]" snapshot_3="~[0.100712,-0.119876]" snapshot_4="~[0.160791,-0.212532]" snapshot_5="~[0.217329,-0.287465]" snapshot_6="~[0.127409,-0.504965]" snapshot_7="~[0.148645,-0.418833]" snapshot_8="~[0.146991,-0.503528]" snapshot_9="~[0.1939,-0.4922]" snapshot_10="~[0.19418,-0.402414]" snapshot_11="~[0.135611,-0.37253]" snapshot_12="~[0.149144,-0.459179]" snapshot_13="~[0.170998,-0.730108]" snapshot_14="~[0.179399,-0.728893]" snapshot_15="~[0.198776,-0.869013]" snapshot_16="~[0.378005,-0.4077]" snapshot_17="~[0.165342,-0.743078]" snapshot_18="~[0.189414,-0.916085]" snapshot_19="~[0.206278,-0.72937]" snapshot_20="~[0.208031,-0.780228]" snapshot_21="~[0.180695,-0.414158]" snapshot_22="~[0.154009,-0.436369]" snapshot_23="~[0.209485,-0.588168]" snapshot_24="~[0.25918,-0.597157]" snapshot_25="~[0.224024,-0.757438]" snapshot_26="~[0.148553,-0.792454]" snapshot_27="~[0.15093,-0.687873]" snapshot_28="~[0.245483,-0.555393]" snapshot_29="~[0.254883,-0.619012]" snapshot_30="~[0.145092,-0.733739]" snapshot_31="~[0.21535,-0.724103]" snapshot_32="~[0.126128,-0.808157]" snapshot_33="~[0.145847,-0.516958]" snapshot_34="~[0.134792,-0.517894]" snapshot_35="~[0.188873,-0.517644]" snapshot_36="~[0.195001,-0.904572]" snapshot_37="~[0.179436,-0.837369]" snapshot_38="~[0.205498,-0.789982]" snapshot_39="~[0.157554,-0.435131]" snapshot_40="~[0.122291,-0.451058]" snapshot_41="~[0.217121,-0.790604]" snapshot_42="~[0.216679,-0.580453]" snapshot_43="~[0.194575,-0.483447]" snapshot_44="~[0.118052,-0.619707]" snapshot_45="~[0.194895,-0.732321]" snapshot_46="~[0.136424,-0.46704]" snapshot_47="~[0.186798,-0.80604]" snapshot_48="~[0.138374,-0.853951]" snapshot_49="~[0.191371,-0.697465]" snapshot_50="~[0.225401,-0.575473]" snapshot_51="~[0.115014,-0.921254]" snapshot_52="~[0.137335,-0.800757]" snapshot_53="~[0.191887,-0.798957]" snapshot_54="~[0.225643,-0.513537]" snapshot_55="~[0.160476,-0.610791]" snapshot_56="~[0.196826,-0.487208]" snapshot_57="~[0.23661,-0.48114]" snapshot_58="~[0.145216,-0.538223]" snapshot_59="~[0.204569,-0.61574]" snapshot_60="~[0.182552,-0.806871]" snapshot_61="~[0.148752,-0.448406]" snapshot_62="~[0.196783,-0.716287]" snapshot_63="~[0.208956,-0.596505]" snapshot_64="~[0.166753,-0.734011]" snapshot_65="~[0.170578,-0.951823]" snapshot_66="~[0.287361,-0.555845]" snapshot_67="~[0.139544,-0.763376]" snapshot_68="~[0.19732,-0.6351]" snapshot_69="~[0.139627,-0.705709]" snapshot_70="~[0.26895,-0.427302]" snapshot_71="~[0.170279,-0.419946]" snapshot_72="~[0.224347,-0.571947]" snapshot_73="~[0.157264,-0.70907]" snapshot_74="~[0.188378,-0.712132]" snapshot_75="~[0.152249,-0.731812]" snapshot_76="~[0.19624,-0.88363]" snapshot_77="~[0.22102,-0.622958]" snapshot_78="~[0.221368,-0.665352]" snapshot_79="~[0.138494,-0.649192]" snapshot_80="~[0.11153,-0.621259]" snapshot_81="~[0.203548,-0.800721]" snapshot_82="~[0.165828,-0.863887]" snapshot_83="~[0.219702,-0.782102]" snapshot_84="~[0.228772,-0.722909]" snapshot_85="~[0.174548,-0.789474]" snapshot_86="~[0.239852,-0.491034]" snapshot_87="~[0.141649,-0.787869]" snapshot_88="~[0.173064,-0.667128]" snapshot_89="~[0.20032,-0.450761]" snapshot_90="~[0.198767,-0.940318]" snapshot_91="~[0.180749,-0.415177]" snapshot_92="~[0.207553,-0.715446]" snapshot_93="~[0.169615,-0.750899]" snapshot_94="~[0.191766,-0.943884]" snapshot_95="~[0.244114,-0.560823]" snapshot_96="~[0.157781,-0.826563]" snapshot_97="~[0.167675,-0.711261]" snapshot_98="~[0.213902,-0.477886]" snapshot_99="~[0.186282,-0.8554]" snapshot_100="~[0.177124,-0.803662]" snapshot_101="~[0.224273,-0.572484]" snapshot_102="~[0.192938,-0.845021]" snapshot_103="~[0.197401,-0.801708]" snapshot_104="~[0.299085,-0.560865]" snapshot_105="~[0.176711,-0.414882]" snapshot_106="~[0.172563,-0.717599]" snapshot_107="~[0.155914,-0.742192]" snapshot_108="~[0.155912,-0.77531]" />
     </Result_Element>
 </result>
diff --git a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_5_result.xml b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_5_result.xml
index 7c35d7ca58..b8f9c735b2 100644
--- a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_5_result.xml
+++ b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_Run_5_result.xml
@@ -4,6 +4,6 @@
         <Snapshot number_of_snapshot_for_local_result_="109" />
     </Snapshot_Element>
     <Result_Element>
-        <Particle_0 snapshot_0="~[-2.30224e-08,4.69809e-16]" snapshot_1="~[0.0157108,-0.0145354]" snapshot_2="~[0.0800661,-0.0444808]" snapshot_3="~[0.161433,-0.11118]" snapshot_4="~[0.229278,-0.205598]" snapshot_5="~[0.36938,-0.249055]" snapshot_6="~[0.412666,-0.411781]" snapshot_7="~[0.514677,-0.484541]" snapshot_8="~[0.557109,-0.552727]" snapshot_9="~[0.650006,-0.538435]" snapshot_10="~[0.616498,-0.578924]" snapshot_11="~[0.734093,-0.559528]" snapshot_12="~[0.717433,-0.624394]" snapshot_13="~[0.750066,-0.526469]" snapshot_14="~[0.857524,-0.407923]" snapshot_15="~[0.745317,-0.539284]" snapshot_16="~[0.766057,-0.604923]" snapshot_17="~[0.724958,-0.631758]" snapshot_18="~[0.733762,-0.637779]" snapshot_19="~[0.898414,-0.44356]" snapshot_20="~[0.748883,-0.641232]" snapshot_21="~[0.81566,-0.538674]" snapshot_22="~[0.828018,-0.427234]" snapshot_23="~[0.716576,-0.624043]" snapshot_24="~[0.893641,-0.492643]" snapshot_25="~[0.81861,-0.443529]" snapshot_26="~[0.743593,-0.544873]" snapshot_27="~[0.72559,-0.614707]" snapshot_28="~[0.892769,-0.43558]" snapshot_29="~[0.92587,-0.408373]" snapshot_30="~[0.876936,-0.379506]" snapshot_31="~[0.89803,-0.475202]" snapshot_32="~[0.754471,-0.504167]" snapshot_33="~[0.85916,-0.499216]" snapshot_34="~[0.807356,-0.561982]" snapshot_35="~[0.688115,-0.574824]" snapshot_36="~[0.787536,-0.509548]" snapshot_37="~[0.90567,-0.458381]" snapshot_38="~[0.71651,-0.558459]" snapshot_39="~[0.734107,-0.620419]" snapshot_40="~[0.711956,-0.674319]" snapshot_41="~[0.706774,-0.602019]" snapshot_42="~[0.730872,-0.563615]" snapshot_43="~[0.700695,-0.685741]" snapshot_44="~[0.8844,-0.525187]" snapshot_45="~[0.648037,-0.701228]" snapshot_46="~[0.910945,-0.450632]" snapshot_47="~[0.825048,-0.522827]" snapshot_48="~[0.852889,-0.482798]" snapshot_49="~[0.854086,-0.372551]" snapshot_50="~[0.637073,-0.63914]" snapshot_51="~[0.710765,-0.624139]" snapshot_52="~[0.8593,-0.420318]" snapshot_53="~[0.903626,-0.458456]" snapshot_54="~[0.87922,-0.520004]" snapshot_55="~[0.792111,-0.487519]" snapshot_56="~[0.677686,-0.618751]" snapshot_57="~[0.697292,-0.603451]" snapshot_58="~[0.781109,-0.423932]" snapshot_59="~[0.722275,-0.613701]" snapshot_60="~[0.712752,-0.607591]" snapshot_61="~[0.908569,-0.347329]" snapshot_62="~[0.701006,-0.698648]" snapshot_63="~[0.85197,-0.462924]" snapshot_64="~[0.713494,-0.645813]" snapshot_65="~[0.830546,-0.471562]" snapshot_66="~[0.709996,-0.589866]" snapshot_67="~[0.857072,-0.490747]" snapshot_68="~[0.712446,-0.59551]" snapshot_69="~[0.791341,-0.444225]" snapshot_70="~[0.735096,-0.64894]" snapshot_71="~[0.676188,-0.645477]" snapshot_72="~[0.692273,-0.63649]" snapshot_73="~[0.676266,-0.567862]" snapshot_74="~[0.86407,-0.396685]" snapshot_75="~[0.894123,-0.411591]" snapshot_76="~[0.876346,-0.507278]" snapshot_77="~[0.660065,-0.6197]" snapshot_78="~[0.882978,-0.49368]" snapshot_79="~[0.877804,-0.437832]" snapshot_80="~[0.79315,-0.526021]" snapshot_81="~[0.779317,-0.608143]" snapshot_82="~[0.896132,-0.427548]" snapshot_83="~[0.823576,-0.524379]" snapshot_84="~[0.822619,-0.552848]" snapshot_85="~[0.7151,-0.652284]" snapshot_86="~[0.75624,-0.529928]" snapshot_87="~[0.887151,-0.483769]" snapshot_88="~[0.868116,-0.403384]" snapshot_89="~[0.718519,-0.630052]" snapshot_90="~[0.846769,-0.407836]" snapshot_91="~[0.923843,-0.434094]" snapshot_92="~[0.890365,-0.505546]" snapshot_93="~[0.623419,-0.652837]" snapshot_94="~[0.67327,-0.667653]" snapshot_95="~[0.647174,-0.59002]" snapshot_96="~[0.875928,-0.467313]" snapshot_97="~[0.683906,-0.613524]" snapshot_98="~[0.660949,-0.645528]" snapshot_99="~[0.721228,-0.590145]" snapshot_100="~[0.769926,-0.553403]" snapshot_101="~[0.857828,-0.464751]" snapshot_102="~[0.809201,-0.520285]" snapshot_103="~[0.715496,-0.607355]" snapshot_104="~[0.700578,-0.666659]" snapshot_105="~[0.805734,-0.542889]" snapshot_106="~[0.84341,-0.528116]" snapshot_107="~[0.663218,-0.661821]" snapshot_108="~[0.878587,-0.465985]" />
+        <Particle_0 snapshot_0="~[-2.30224e-08,-4.30396e-16]" snapshot_1="~[0.0147693,-0.0135343]" snapshot_2="~[0.0626047,-0.0427125]" snapshot_3="~[0.100712,-0.119876]" snapshot_4="~[0.175446,-0.219199]" snapshot_5="~[0.206542,-0.272076]" snapshot_6="~[0.110859,-0.508686]" snapshot_7="~[0.16006,-0.468466]" snapshot_8="~[0.256461,-0.504834]" snapshot_9="~[0.200267,-0.439985]" snapshot_10="~[0.154411,-0.394002]" snapshot_11="~[0.18261,-0.408082]" snapshot_12="~[0.194812,-0.481633]" snapshot_13="~[0.214566,-0.455952]" snapshot_14="~[0.152635,-0.813969]" snapshot_15="~[0.142316,-0.560579]" snapshot_16="~[0.304728,-0.595118]" snapshot_17="~[0.196168,-0.747058]" snapshot_18="~[0.275445,-0.718432]" snapshot_19="~[0.192832,-0.765956]" snapshot_20="~[0.137992,-0.741499]" snapshot_21="~[0.186305,-0.821764]" snapshot_22="~[0.173082,-0.41835]" snapshot_23="~[0.22474,-0.815085]" snapshot_24="~[0.164795,-0.851435]" snapshot_25="~[0.220891,-0.682647]" snapshot_26="~[0.155787,-0.834245]" snapshot_27="~[0.162589,-0.793175]" snapshot_28="~[0.126063,-0.843841]" snapshot_29="~[0.230577,-0.755672]" snapshot_30="~[0.301942,-0.65305]" snapshot_31="~[0.18555,-0.450092]" snapshot_32="~[0.143435,-0.772225]" snapshot_33="~[0.199917,-0.910142]" snapshot_34="~[0.177495,-0.78953]" snapshot_35="~[0.176424,-0.709618]" snapshot_36="~[0.143567,-0.863932]" snapshot_37="~[0.229387,-0.79513]" snapshot_38="~[0.132284,-0.744409]" snapshot_39="~[0.163179,-0.374101]" snapshot_40="~[0.177074,-0.933599]" snapshot_41="~[0.209181,-0.747966]" snapshot_42="~[0.213429,-0.914812]" snapshot_43="~[0.223421,-0.510415]" snapshot_44="~[0.223008,-0.548263]" snapshot_45="~[0.192401,-0.809874]" snapshot_46="~[0.173193,-0.768251]" snapshot_47="~[0.143498,-0.727802]" snapshot_48="~[0.160461,-0.518185]" snapshot_49="~[0.206418,-0.486636]" snapshot_50="~[0.175679,-0.878247]" snapshot_51="~[0.182995,-0.90762]" snapshot_52="~[0.15479,-0.522025]" snapshot_53="~[0.169324,-0.531479]" snapshot_54="~[0.22069,-0.802628]" snapshot_55="~[0.17737,-0.793713]" snapshot_56="~[0.163333,-0.878529]" snapshot_57="~[0.179724,-0.494735]" snapshot_58="~[0.155965,-0.800776]" snapshot_59="~[0.232939,-0.735388]" snapshot_60="~[0.263578,-0.456912]" snapshot_61="~[0.168374,-0.804071]" snapshot_62="~[0.160287,-0.814665]" snapshot_63="~[0.182468,-0.776288]" snapshot_64="~[0.208419,-0.837694]" snapshot_65="~[0.208797,-0.851506]" snapshot_66="~[0.170641,-0.82444]" snapshot_67="~[0.249329,-0.615884]" snapshot_68="~[0.178487,-0.639378]" snapshot_69="~[0.150664,-0.41631]" snapshot_70="~[0.18413,-0.512512]" snapshot_71="~[0.0939149,-0.761084]" snapshot_72="~[0.213512,-0.707449]" snapshot_73="~[0.168031,-0.77215]" snapshot_74="~[0.149839,-0.782485]" snapshot_75="~[0.21126,-0.658417]" snapshot_76="~[0.136177,-0.639486]" snapshot_77="~[0.270746,-0.566906]" snapshot_78="~[0.161893,-0.822738]" snapshot_79="~[0.348985,-0.439018]" snapshot_80="~[0.19025,-0.765041]" snapshot_81="~[0.243041,-0.588305]" snapshot_82="~[0.172648,-0.892544]" snapshot_83="~[0.15611,-0.736995]" snapshot_84="~[0.177552,-0.655928]" snapshot_85="~[0.17272,-0.71601]" snapshot_86="~[0.154333,-0.38814]" snapshot_87="~[0.168723,-0.954843]" snapshot_88="~[0.14032,-0.769181]" snapshot_89="~[0.160804,-0.771519]" snapshot_90="~[0.160666,-0.955256]" snapshot_91="~[0.226072,-0.693586]" snapshot_92="~[0.145469,-0.368171]" snapshot_93="~[0.155499,-0.768723]" snapshot_94="~[0.171285,-0.852523]" snapshot_95="~[0.195999,-0.626905]" snapshot_96="~[0.176127,-0.804748]" snapshot_97="~[0.239226,-0.470023]" snapshot_98="~[0.154358,-0.802345]" snapshot_99="~[0.169602,-0.875485]" snapshot_100="~[0.142976,-0.754098]" snapshot_101="~[0.174713,-0.799385]" snapshot_102="~[0.153565,-0.792671]" snapshot_103="~[0.194096,-0.568918]" snapshot_104="~[0.179323,-0.862484]" snapshot_105="~[0.139115,-0.388841]" snapshot_106="~[0.228461,-0.750889]" snapshot_107="~[0.200181,-0.909896]" snapshot_108="~[0.153213,-0.735239]" />
     </Result_Element>
 </result>
diff --git a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_dtwdistance.xml b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_dtwdistance.xml
index 893ea66ae0..2830679639 100644
--- a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_dtwdistance.xml
+++ b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_dtwdistance.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <dtw_distance>
-    <DTWDistance Velocity_0="0.79722394192243684" />
+    <DTWDistance Velocity_0="1.2458376836228884" />
 </dtw_distance>
diff --git a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_runtimes.dat b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_runtimes.dat
index fb0f3ed4ea..27e0ecf684 100644
--- a/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_runtimes.dat
+++ b/tests/extra_source_and_tests/test_2d_T_pipe_VIPO_shell/regression_test_tool/VelocityObserver_Velocity_runtimes.dat
@@ -1,3 +1,3 @@
 false
-8
+7
 2
\ No newline at end of file