人工边界Specified DOF constraint UY at unused node 516.
我是做动力分析，所以考虑到边界上用combin14单元建立了人工边界，但是总是出现这样的提示，但是模型还是能正常运算；*** WARNING *** CP = 1.094 TIME= 13:58:56
Use of the -M switch is no longer recommended for normal ANSYS use.
ANSYS now dynamically allocates memory as needed.Only use the -M
switch if you are certain that you need to do so.
*** WARNING *** CP = 6.922 TIME= 13:59:23
Specified DOF constraint UX at unused node 505.
*** WARNING *** CP = 6.922 TIME= 13:59:23
Specified DOF constraint UY at unused node 505.
*** WARNING *** CP = 6.922 TIME= 13:59:23
Specified DOF constraint UZ at unused node 505.
*** WARNING *** CP = 6.922 TIME= 13:59:23
Specified DOF constraint UX at unused node 506.
*** WARNING *** CP = 6.922 TIME= 13:59:23
Specified DOF constraint UY at unused node 506.
如果我把人工边界改为位移约束，就没有这样的提示。
而且我觉得提示的这些节点号在我模型里好像根本就不存在，不知道为什么，请各位大侠帮忙
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