求教关于Sesam建模过程中出现的问题

tjuzorro · 发表于 2011-5-10 10:39

Error in factorisation of Stiffness matrix.
   Matrix is not positive definite.
   The error may be related to External Node no:    480
   Degree of freedom no: 2
   Coordinates of the node: -1.058E+01  1.050E+01  2.127E+00
   Connected to External Element no:    466
   Connected to External Element no:    467
   Connected to External Element no:    482
   Connected to External Element no:    483
   Connected to External Element no:    505
   Connected to External Element no:    507

请问下，上面的错误提示具体什么意思，应该怎么调整，还有就是有关mesh部分的雅可比那个一般最大最小调多少合适，项目是个平台生活楼

j554033064 · 发表于 2011-5-12 20:56

有检查错误的模块的，输入号码会告诉你的吧

tjuzorro · 发表于 2011-5-24 09:52

回复 2# j554033064

谢谢

[Sesam] 求教关于Sesam建模过程中出现的问题