midas运行出现如下警告:一共三处,都是一样的警告
[td]ENTRY STATIC ANALYSIS FOR NONLINEAR. ITERATION NO. : 1 |
MULTI-FRONTAL SOLUTION HAS BEEN PERFORMED 70 % . | WARNING : NODE NO. 77 RY DOF MAY BE SINGULAR. | MULTI-FRONTAL SOLUTION HAS BEEN COMPLETED. | DISPLACEMENT/FORCE/STRESS OUTPUT. | ELEM. : 65 OF 172[/td] |