加载完了出现这样的问题求解不出来。怎么解决？
*** OptiStruct defaults set from:install config file: d:\Program Files\Altair\11.0/hwsolvers/hwsolver.cfg.
NOTE # 1929
Created RAM scratch area: total size 200 MB.
*** WARNING 1931: FORCE 3 is not referenced by Case Control.
*** WARNING 1931: FORCE 4 is not referenced by Case Control.
*** ERROR # 1501 ***
for material id = 1 referenced from property id = 1.
Either E or G must be explicitly provided for MAT1. Otherwise singular
material is produced.
----------------------------------------
NOTE #1599
1 stability-related material property errors found. To bypass checking
these errors use PARAM,CHECKMAT,NO. This may, however, cause zero or negative
pivots and excessive compliance.
************************************************************************
检查材料，材料出了问题~E和G至少有一个~~ lbsys_3122 发表于 2012-11-4 10:22 static/image/common/back.gif
检查材料，材料出了问题~E和G至少有一个~~
谢谢，。你能说的具体点吗？什么E和G ？我没定义D和G单元呀？
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