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2020 04 15 library development
Date: April 15, 2020, 8am-9am Pacific Times The purpose of this meeting is to coordinate the development https://github.com/ibpsa/modelica-ibpsa
Join from PC, Mac, Linux, iOS or Android: https://lbnl.zoom.us/my/mwetter
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Expert meeting (10 + 5 min presentation)
CONTAM-style models (Klaas)
Refrigerant media (Christian, https://github.com/ibpsa/modelica-ibpsa/issues/1093)
Damper model (Antoine, https://github.com/ibpsa/modelica-ibpsa/issues/1188)
BESTEST weather data validation (Ettore, https://github.com/ibpsa/modelica-ibpsa/issues/1314)
New default for time constant in PartialFlowSensor (Antoine and Michael)
Update on geothermal models (Massimo)
Change to CVode as default solver (Michael)
Visual enhancements of PartialTwoPort (https://github.com/ibpsa/modelica-ibpsa/issues/1280)
Progress on pull requests, https://github.com/ibpsa/modelica-ibpsa/pulls
First overview about IBPSA 1.1 developments, then 1 to 2 minutes each update about the respective library developments (AixLib etc.)
Michael to set up a slide set.
No update.
Refrigerant media (Christian, https://github.com/ibpsa/modelica-ibpsa/issues/1093)
PR should be in next couple of weeks.
AixLib plans to release detailed vapor compression model.
Damper model (Antoine, https://github.com/ibpsa/modelica-ibpsa/issues/1188)
Filip to review PR for new damper opening signal.
Leave as it is, because if the heater is steady state and there is not state in the sensor, then a P or PI loop will cause an algebraic loop.
BESTEST weather data validation (Ettore, https://github.com/ibpsa/modelica-ibpsa/issues/1314)
Ettore is working on BESTEST, closed to being finished.
Massimo works on modeling of fields that have series connections. Substantial speed up observed in prototype implementation.
No update.
Visual enhancements of PartialTwoPort (https://github.com/ibpsa/modelica-ibpsa/issues/1280)
No discussions.
Progress on pull requests, https://github.com/ibpsa/modelica-ibpsa/pulls
No discussions.
Flow direction visualization: https://github.com/ibpsa/modelica-ibpsa/pull/1337
Reduced order models with CO2: https://github.com/ibpsa/modelica-ibpsa/issues/1275
All should work on the pull requests or open tickets.
Michael to share slide draft for expert meeting.
Michael to make homotopyInitialization a constant, and add warning that it is deprecated if homotopy is disabled. In future releases, could remove non-homotopy alltogether.
Christian to work with Massimo on seeing what borefield measurement data Aachen could be providing.
Michael to work on converting models to CVode for Dymola CI testing.
Michael to open ticket to use a scope such as shown in the top graphic of issue https://github.com/ibpsa/modelica-ibpsa/issues/1280
Klaas to make pull request for new air flow models.
Fluid Property models (RWTH) RWTH intern development of R134a, R410A, R32, R407C, R290 and R744 merge in December, Paper in March Are there further fluid models of interest? We can add some more due to master's thesis.