Material Type MAT

This isotropic material is used for linear structural procedures where few material data is needed and also in cases where thermal strains are taken into account. There are 5 arguments, the first four are always written in the input file. The reference temperature is written only if a non-zero value is given, and in this case a warning message is issued as thermal strains will be calculated and may affect the results.

Argument(s) Meaning

1 Young's Modulus

2 Poisson's Ratio

3 Density

4 Thermal Expansion Coefficient

5 Reference Temperature

Example FEMGEN Command:

PROPERTY MATERIAL MAT STEEL1 200e3 .3 7860e-9 .15e-4 293

Corresponding ANSYS Input Deck:

  
C*** NAME=STEEL1  
MP,  EX,   1,  200000.0    
MP,NUXY,   1, 0.3000000    
MP,DENS,   1, 0.7860002E-05
MP,ALPX,   1, 0.1500000E-04
MP,REFT,   1,  293.0000    
C*** WARNING: NON-ZERO THERMAL STRAINS FROM DEFINITION OF MATERIAL STEEL1