声振论坛

 找回密码
 我要加入

QQ登录

只需一步,快速开始

查看: 2853|回复: 2

求助:一个弹塑性接触问题的错误

[复制链接]
发表于 2009-4-13 19:31 | 显示全部楼层 |阅读模式

马上注册,结交更多好友,享用更多功能,让你轻松玩转社区。

您需要 登录 才可以下载或查看,没有账号?我要加入

x
Rigid body reference nodes will not be repositioned if the reference node is part of the connectivity of one or more elements. Repositioning such nodes may distort the elements associated with the node. Such reference nodes have been identified in node set WarnNodeRefNoReposDistortStep1Inc0.
The system matrix has 1 negative eigenvalues.
Solver problem. Zero pivot when processing D.O.F. 1 of 49 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_1_1_1_1_1.
The system matrix has 3 negative eigenvalues.
The system matrix has 5 negative eigenvalues.
The system matrix has 4 negative eigenvalues.
The system matrix has 2 negative eigenvalues.
The system matrix has 4 negative eigenvalues.
The system matrix has 5 negative eigenvalues.
The system matrix has 8 negative eigenvalues.
The system matrix has 4 negative eigenvalues.
The system matrix has 5 negative eigenvalues.

我在assembly中定义了参考点,不知问题出在哪里?
回复
分享到:

使用道具 举报

发表于 2009-4-15 11:51 | 显示全部楼层
节点49的自由度1有问题,过约束或未约束
 楼主| 发表于 2009-4-16 15:58 | 显示全部楼层
谢谢zhangmeng,正在努力解决。
您需要登录后才可以回帖 登录 | 我要加入

本版积分规则

QQ|小黑屋|Archiver|手机版|联系我们|声振论坛

GMT+8, 2024-11-10 21:43 , Processed in 0.058935 second(s), 19 queries , Gzip On.

Powered by Discuz! X3.4

Copyright © 2001-2021, Tencent Cloud.

快速回复 返回顶部 返回列表