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"Sur_FIXED", "name": "Thermal: Fixed temperature", "description": "Fixed temperature at the surface", "properties": { "temperature": { "symbol": "T", "name": "Temperature", "description": "Fixed temperature at the surface", "units": "\\degree C", "min": 0, "max": 100000000, "valueTypes": [ "scalar" ] } } }, "flux": { "id": 8, "bc_group": "Sur_HEATFLUX", "name": "Thermal: Surface heat source", "description": "Define heat flux density at the surface", "properties": { "qSurf": { "symbol": "q", "name": "Heat flux", "units": "\\frac{W}{m^2}", "valueTypes": [ "scalar", "piecewiseLinear" ], "arguments": [ "time", "temperature" ], "argumentsId": [ 2, 1 ] } } }, "convective": { "id": 9, "bc_group": "Sur_CONVECTIVE", "name": "Thermal: Convective cooling", "description": "Heat flux \\( q = h (T-T_{amb}) \\)", "properties": { "tref": { "symbol": "T_{amb}", "name": "Ambient temperature", "units": "\\degree C", "min": 0, "max": 100000000 }, "h": { "symbol": "h", "name": "Heat Transfer Coefficient", "units": "\\frac{W}{m^2 K}", "valueTypes": [ "scalar", "piecewiseLinear" ], "arguments": [ "temperature" ], "argumentsId": [ 1 ] } } }, "radiation": { "id": 10, "bc_group": "Sur_RADIATION", "name": "Thermal: Radiative heat flux", "description": "Thermal radiation to infinity: heat flux \\( q = \\epsilon (T^4 - T_{amb}^4) \\)", "properties": { "trefr": { "symbol": "T_{amb}", "name": "Ambient temperature", "units": "\\degree C", "valueTypes": [ "scalar" ], "min": 0, "max": 100000000 }, "hr": { "symbol": "\\epsilon", "name": "Emissivity", "units": "-", "valueTypes": [ "scalar", "piecewiseLinear" ], "arguments": [ "temperature" ], "argumentsId": [ 1 ] } } }, "convective_fixedflux": { "id": 11, "bc_group": "Sur_CONVECTIVE_HEATFLUX", "name": "Thermal: Surface heat source + Convective cooling", "description": "Combined surface heat source and convective cooling boundary conditions: heat flux \\( q = q_0 - h (T-T_{amb}) \\)", "properties": { "tref5": { "symbol": "T_{amb}", "name": "Ambient temperature", "units": "\\degree C", "valueTypes": [ "scalar" ], "min": 0, "max": 100000000 }, "h5": { "symbol": "h", "name": "Heat Transfer Coefficient", "units": "\\frac{W}{m^2 K}", "valueTypes": [ "scalar", "piecewiseLinear" ], "arguments": [ "temperature" ], "argumentsId": [ 1 ] }, "qSurf5": { "symbol": "q", "name": "Heat flux", "units": "\\frac{W}{m^2}", "valueTypes": [ "scalar", "piecewiseLinear" ], "arguments": [ "time", "temperature" ], "argumentsId": [ 2, 1 ], "min": 0 } } }, "empty": { "id": 12, "bc_group": "Sur_EMPTY", "name": "EM: None", "description": "No boundary condition set. Required for internal faces in EM simulation", "properties": {} }, "ground": { "id": 13, "bc_group": "Sur_GROUND", "name": "Ground", "properties": {} } } }