在做形状优化的时候遇到问题，请教高手应该怎么解决？附模型
************************************************************************COMPUTE TIME INFORMATION
------------------------
EXECUTION STARTED Sun May 01 13:14:20 2011
EXECUTION COMPLETED Sun May 01 13:14:22 2011
ELAPSED TIME 00:00:01
CPU TIME 00:00:00
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*** PROGRAM STOPPED: FATAL ERROR(s) ENCOUNTERED.
***** END OF REPORT *****
For Useful OptiStruct Tips and Tricks, go to the URL:
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************************************************************************
There were 3 error messages during input processing.
The first message is repeated below:
*** ERROR # 1812 ***
More than one response is assigned for the SINGLE objective function.
Number of responses = 120
************************************************************************ 我设置了中间圆有三个形状变量
以圆周单元应力最小为目标函数
以体积变化不超过10%为约束条件
优化的时候出现以上错误
请各位看看这是怎么回事，应该怎么解决，谢谢 我来灌水，不要怪我，见谅啊 More than one response is assigned for the SINGLE objective function.
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