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Reference temperature for instantaneous coefficient of thermal expansion

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    • October 2, 2020 at 7:05 pm
      SaiD
      Ansys Employee
      Why do I have to input the reference temperature in the material's instantaneous coefficient of thermal expansion?n
    • October 6, 2020 at 5:25 pm
      Cheta Rathod
      Ansys Employee
      Thermal expansion is explained in Section 3.5 of the MAPDL Material Reference Guide.nnIf a secant CTE is defined (alpx), the thermal strain is CTE*(T-TREF). If an instantaneous CTE is defined (ctex), then it is converted to an equivalent secant CTE. That conversion uses TREF. The thermal strain is then calculated as the equivalent secant CTE*(T-TREF).n
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