求助 属性定义
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 2is not referenced.
ERROR # 24 FROM SUBROUTINE prpdrv
Eigenvalue SUBCASES or acceleration loads exist,
and all referenced material densities are zero.
"all referenced material densities are zero"
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