Abaqus中出现如下警告怎么处理

WG0102

Abaqus中出现如下警告，出现零主元，这个怎么办，而且模型可以计算，这个警告对后面结果有什么影响吗？希望大神解答，谢谢
Solver problem. Zero pivot when processing D.O.F. 1 of 37 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_1_1_1_1_1.

Solver problem. Zero pivot when processing D.O.F. 2 of 12 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_2_1_1_1_1.

There are 9 unconnected regions in the model.

Solver problem. Zero pivot when processing D.O.F. 1 of 37 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_1_2_1_1_1.

Solver problem. Zero pivot when processing D.O.F. 2 of 12 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_2_2_1_1_1.

dongyuniao

只要能算，警告一般都可以忽略