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[solids4Foam] Using Temperature-dependent thermal constants with Thermo-Elasticity Model?

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Old   August 26, 2024, 03:45
Question Using Temperature-dependent thermal constants with Thermo-Elasticity Model?
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Christian Ernst
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Hello,


as the question is implying i would like to use the
Code:
thermoLinearElastic
model as mechanical law while having my constants in 'constants/thermalProperties' in dependency of temperature e.g. tabulated like boundary conditions in the hotSphere Tutorial case, see https://www.solids4foam.com/tutorials/tutorial1.html.

Example from hotSphere Tutorial in 0/T
Code:
 inside 
{     

  type            fixedTemperature;     
  temperatureSeries     
  {        
    fileName "$FOAM_CASE/constant/timeVsTemperature";        
    outOfBounds clamp;     
  }     
value           uniform 300; 
}
However, all tutorial cases i was examining were using the constant type entry, e.g.
Code:
 thermal 
{     
  type      
  constant;     
  C         C [0 2 -2 -1 0 0 0] 486;     
  k         k [1 1 -3 -1 0 0 0] 20; 
}
Do temperature-dependent models exist or is there the option to tabulate the properties as used in the boundary condition example?




With kind regards
Christian
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dependent variable, material constant, thermallaw, thermalproperties


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