ANSYS运行过程中出现警告没有活动的自由度及实常数的警告，求指点
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我做的是辐射热分析，用的是SHELL57单元，期间翻转了几个面的法线，运行过程中出现下面两个警告：
*** WARNING *** CP = 4.212 TIME= 10:18:12
Real constants on areas or elements that had the normal direction
reversed have not been adjusted. You should verify the resulting real
constants on any reversed areas or elements.
*** WARNING *** CP = 52.307 TIME= 10:22:21
There are no active degrees of freedom.
请教怎么解决问题？？？？？非常感谢
*** WARNING *** CP = 4.212 TIME= 10:18:12
Real constants on areas or elements that had the normal direction
reversed have not been adjusted. You should verify the resulting real
constants on any reversed areas or elements.
*** WARNING *** CP = 52.307 TIME= 10:22:21
There are no active degrees of freedom.
请教怎么解决问题？？？？？非常感谢
