ANSYS计算的结构模态出现错误信息
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ANSYS计算的结构模态出现这个错误信息，是什么原因呢？怎么解决呢？
*** WARNING *** SUPPRESSED MESSAGE CP = 16801.168 TIME= 09:05:58
Repeated Lanczos shift and factorize steps did not yield additional
eigenvalues in the requested frequency range. Either the eigenvalues
are widely separated or, there are only 0 eigenvalues in the frequency
range specified (FREQB and FREQE in MODOPT command).
*** WARNING *** SUPPRESSED MESSAGE CP = 16804.193 TIME= 09:06:11
There are no modes in the specified range.
多谢各位
*** WARNING *** SUPPRESSED MESSAGE CP = 16801.168 TIME= 09:05:58
Repeated Lanczos shift and factorize steps did not yield additional
eigenvalues in the requested frequency range. Either the eigenvalues
are widely separated or, there are only 0 eigenvalues in the frequency
range specified (FREQB and FREQE in MODOPT command).
*** WARNING *** SUPPRESSED MESSAGE CP = 16804.193 TIME= 09:06:11
There are no modes in the specified range.
多谢各位
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ANSYSUser1999回答的完全正确