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pbehnepbehne
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Added neutronics-only tests for gFHR
This commit refactors the input for the gFHR into physics-agnostic bases. Multiphysics and neutronics-only inputs use these base files and tweak the inputs as needed. Ref idaholab#489
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‎pbfhr/gFHR/steady/gFHR_griffin_cr_ss.i

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‎pbfhr/gFHR/steady/gFHR_griffin_cr_ss_base.i

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‎pbfhr/gFHR/steady/gFHR_griffin_cr_ss_neutronics_only.i

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# Coupled neutronics-thermal-fluids model to streamline method for equilibrium core
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# The pebble model resolution is based on fluids mesh
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#
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# 4 energy group structure [eV] :
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# 1.96403000E+07 1.95007703E+05
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# 1.95007703E+05 1.75647602E+01
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# 1.75647602E+01 2.33006096E+00
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# 2.33006096E+00 1.10002700E-04
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# ------------------------------------------------------------------------------
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# THIS INPUT IS A NEUTRONICS-ONLY (GRIFFIN) VERSION
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# ------------------------------------------------------------------------------
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# Specify the pebble fuel input file
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pebble_conduction_input_file = 'gFHR_pebble_triso_ss_neutronics_only.i'
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# Specify the flow subapp input file
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flow_subapp_input_file = 'gFHR_pronghorn_ss_neutronics_only.i'
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# Include input common to all physics
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!include gFHR_griffin_cr_ss_base.i

‎pbfhr/gFHR/steady/gFHR_pebble_triso_materials_and_user_objects_blocks_pronghorn.i

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[Materials]
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[pebble_fuel]
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type = PronghornSteadyStateSolidMaterial
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T_solid = T_pebble
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solid = pebble_fuel
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block = 'pfuel'
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[]
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[pebble_graphite_core]
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type = PronghornSteadyStateSolidMaterial
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T_solid = T_pebble
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solid = gcore
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block = 'pcore'
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[]
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[pebble_graphite_shel]
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type = PronghornSteadyStateSolidMaterial
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T_solid = T_pebble
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solid = gmatrix
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block = 'pshell'
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[]
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# TRISO.
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[kernel]
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type = PronghornSteadyStateSolidMaterial
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T_solid = T_triso
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solid = kernel
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block = 'kernel'
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[]
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[buffer]
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type = PronghornSteadyStateSolidMaterial
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T_solid = T_triso
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solid = buffer
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block = 'buffer'
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[]
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[ipyc]
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type = PronghornSteadyStateSolidMaterial
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T_solid = T_triso
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solid = ipyc
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block = 'ipyc'
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[]
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[sic]
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type = PronghornSteadyStateSolidMaterial
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T_solid = T_triso
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solid = sic
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block = 'sic'
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[]
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[opyc]
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type = PronghornSteadyStateSolidMaterial
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T_solid = T_triso
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solid = opyc
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block = 'opyc'
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[]
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[]
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[UserObjects]
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[kernel]
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type = FunctionSolidProperties
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k_s = '1/(0.035 + 2.25e-4*t) + 8.30e-11*t^3'
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rho_s = 10500.0
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cp_s = 320.0
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[]
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[buffer]
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type = FunctionSolidProperties
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k_s = 0.7
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rho_s = 1050.0
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cp_s = 1760.0
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[]
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[ipyc]
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type = FunctionSolidProperties
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k_s = 4.0
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rho_s = 1900.0
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cp_s = 1760.0
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[]
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[sic]
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type = FunctionSolidProperties
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k_s = 16.0
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rho_s = 3180.0
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cp_s = 1242.0
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[]
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[opyc]
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type = FunctionSolidProperties
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k_s = 4.0
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rho_s = 1900.0
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cp_s = 1760.0
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[]
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[gmatrix]
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type = FunctionSolidProperties
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k_s = 32.4
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rho_s = 1740.0
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cp_s = 1760.0
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[]
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[gcore]
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type = FunctionSolidProperties
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k_s = 30.0
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rho_s = 1410.0
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cp_s = 1760.0
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[]
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# Mixtures.
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[triso]
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type = CompositeSolidProperties
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materials = ' kernel buffer ipyc sic opyc '
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fractions = '0.122819817 0.267788699 0.170012025 0.18412303 0.255256428' # volume fractions.
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k_mixing = 'series'
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[]
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[pebble_fuel]
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type = CompositeSolidProperties
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materials = 'triso gmatrix'
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fractions = '0.220003 0.779997' # volume fractions.
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k_mixing = 'chiew'
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[]
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[]
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‎pbfhr/gFHR/steady/gFHR_pebble_triso_materials_block_neutronics_only.i

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[Materials]
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[pebble_fuel]
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type = ADGenericConstantMaterial
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prop_names = 'k_s'
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prop_values = '10'
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block = 'pfuel'
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[]
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[pebble_graphite_core]
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type = ADGenericConstantMaterial
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prop_names = 'k_s'
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prop_values = '10'
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block = 'pcore'
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[]
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[pebble_graphite_shel]
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type = ADGenericConstantMaterial
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prop_names = 'k_s'
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prop_values = '10'
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block = 'pshell'
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[]
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# TRISO.
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[kernel]
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type = ADGenericConstantMaterial
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prop_names = 'k_s'
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prop_values = '10'
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block = 'kernel'
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[]
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[buffer]
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type = ADGenericConstantMaterial
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prop_names = 'k_s'
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prop_values = '10'
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block = 'buffer'
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[]
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[ipyc]
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type = ADGenericConstantMaterial
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prop_names = 'k_s'
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prop_values = '10'
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block = 'ipyc'
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[]
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[sic]
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type = ADGenericConstantMaterial
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prop_names = 'k_s'
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prop_values = '10'
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block = 'sic'
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[]
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[opyc]
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type = ADGenericConstantMaterial
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prop_names = 'k_s'
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prop_values = '10'
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block = 'opyc'
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[]
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[]

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