求助 属性定义

seraphim-ll

现在在学着做模态分析，先开始给定义材料属性，然后创建shellｓ在card image 中选择PSHELL，点击Material选择之前的steel,设置壳体厚度，选择颜色，创建完成，但是壳体的颜色不是定义颜色，进行分析时，显示错误
*** OptiStruct defaults set from:
   install config file: G:\Altair\hw8.0/optistruct/optistruct.cfg
  

Created RAM scratch area: total size 200.00 MB

WARNING # 1198
  PSHELL with T=blank (field 4): thickness must be  
  specified on all elements using this property (using fields T1..T4).
   Detected while reading line 11402 from file G:/works/youdike1.12.fem:
  "PSHELL         1       1               1               1        0.0"

WARNING:   PSHELL         2  is not referenced.

ERROR #      24 FROM SUBROUTINE prpdrv
Eigenvalue SUBCASES or acceleration loads exist,
and all referenced material densities are zero.

zkong

"all referenced material densities are zero"