求助，，模态计算警告USER WARNING MESSAGE 4698

wangyuxing32

STATISTICS FOR DECOMPOSITION OF MATRIX  (NONE) .
     THE FOLLOWING DEGREES OF FREEDOM HAVE FACTOR DIAGONAL RATIOS GREATER THAN
      1.00000E+07 OR HAVE NEGATIVE TERMS ON THE FACTOR DIAGONAL.
     USER INFORMATION:
     THIS MESSAGE MAY BE IGNORED IF NO GRID POINT IDS OR HIGH RATIO MESSAGES APPEAR IN THE TABLE ON THE NEXT PAGE.

zhangyuli

请问这个问题最后解决了吗？

albin008

应该是约束的问题，你有某些单元或节点的单元没有约束好！！