*MAT_ADD_THERMAL_EXPANSION

LS-DYNA Input Interface KeywordUsed to add thermal expansion property for material.

Format

(1) (2) (3) (4) (5) (6) (7) (8)
*MAT_ADD_THERMAL_EXPANSION
part_ID fct_IDTx Fscalex fct_IDTy Fscaley fct_IDTz Fscalez

Definition

Field Contents SI Unit Example
part_ID Part identifier.

(Integer)
fct_IDTx Function identifier to define the instantaneous thermal linear expansion coefficient in:
  • the 1st material direction as a function of temperature for orthotropic material
  • all directions for isotropic material

(Integer)
Fscalex Ordinate scale factor for thermal expansion coefficient function fct_IDTx.

Default = 1.0 (Real)

 [ 1 K ] MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeaaciGaaiaabeqaamaabaabaaGcbaWaamWaaeaada WcaaqaaiaaigdaaeaacaWGlbaaaaGaay5waiaaw2faaaaa@3981@
fct_IDTy Function identifier to define the instantaneous thermal linear expansion coefficient in:
  • the 2nd material direction as a function of temperature for orthotropic material
  • not used for isotropic material

Default = fct_IDTx (Integer)
Fscaley Ordinate scale factor for thermal expansion coefficient function fct_IDTy.

Default = Fscalex (Real)

 [ 1 K ] MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeaaciGaaiaabeqaamaabaabaaGcbaWaamWaaeaada WcaaqaaiaaigdaaeaacaWGlbaaaaGaay5waiaaw2faaaaa@3981@
fct_IDTz Function identifier to define the instantaneous thermal linear expansion coefficient in:
  • the 3rd material direction as a function of temperature for orthotropic material
  • not used for isotropic material

Default = fct_IDTx (Integer)
Fscalez Ordinate scale factor for thermal expansion coefficient function fct_IDTz.

Default = Fscalex (Real)

 [ 1 K ] MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeaaciGaaiaabeqaamaabaabaaGcbaWaamWaaeaada WcaaqaaiaaigdaaeaacaWGlbaaaaGaay5waiaaw2faaaaa@3981@

Comments

  1. This keyword maps to /THERM_STRESS/MAT.