1 Element heat generations are not valid for input to current element
从磁场读取焦耳热入流场,出现这样的警告,怎么解决?
2 求解流场时出现下面两个错误,此处CG是什么啊?
望高手解答,谢谢
error1:Unsymmetric CG error. Stiffness matrix is close to singular.
Solution failed. Please switch to a direct solver (e.g.,
EQSLVE,SPARSE for sparse solver).
error2:
Unsymmetric CG method failed catastrophically. The run is terminated.