ANSY熱分析中出現的警告
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*** WARNING *** CP = 21.700 TIME= 17:22:47
Stress stiffening effects (e.g. The SSTIF,ON command) are not included
for element SHELL57.
*** WARNING *** CP = 21.700 TIME= 17:22:47
Stress stiffening effects (e.g. The SSTIF,ON command) are not included
for element LINK33.
這個警告是怎么回事？應該怎么避免
鄒正剛 
