请教高手们几个ansys的问题！

*** WARNING *** CP= 29.412 TIME=

09:33:24
The calculated reference MOMENT CONVERGENCE VALUE = 1.30935282E

-04 is
less than 1E-2 a threshold zero, A value of 1E-2 or specified

MINREF
is used. Check results carefully.




*** WARNING *** CP= 786.271 TIME=

09:05:05
STURM number= 6 should be 0
Probably initial shift greater than first mode or
Final Mode(s) is in a cluster

本人在做一个计算时经常遇到以上几个问题！
不知道什么意思，请高手指点，谢谢了！