刚做的尺存优化的例子 请高手看下其中的错误
本帖最后由 skyqian 于 2009-5-4 11:31 编辑hm9.0的尺寸优化
优化问题描述:
目标: 体积最小化
约束:
结构的应力小于150mpa
设计变量:厚度
中性面长度方向边线UX=UZ=0
宽度方边线:UY=UZ=0
均布载荷1250t
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 136319 from file D:/plate/file3.fem:
"PSHELL 1 3 3 3 0.0"
ERROR: CHEXA element number 2486 references
a missing or invalid property number 1.
ERROR: CHEXA element number 2487 references
a missing or invalid property number 1.
ERROR: CHEXA element number 2488 references
a missing or invalid property number 1.
ERROR: CHEXA element number 2489 references
a missing or invalid property number 1.
ERROR: CHEXA element number 2490 references
a missing or invalid property number 1.
ERROR: CHEXA element number 2491 references
a missing or invalid property number 1.
ERROR: CHEXA element number 2492 references
a missing or invalid property number 1.
ERROR: CHEXA element number 2493 references
a missing or invalid property number 1. out文件说有什么错误呀? CHEXA单元引用了错误的property - 正确的property应该是一个PSOLID
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