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关于ADAMS仿真---[图,求助]

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发表于 2007-5-18 13:26:36 | 显示全部楼层 |阅读模式

我用ADAMS做游梁式抽油机的仿真模型时,对驴头处的钢丝绳用连杆代替,并定义其与驴头的接触碰撞,但是仿真进行不下去了为什么啊?

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报错及警告:

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WARNING:    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   NOTE:  The set of redundant constraints has changed at time = 0.0.
   ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
ERROR:   Abnormal termination encountered in ADAMS/Solver.
ERROR:      The simulation stopped at time = 0.0.
 
   The equations of motion can not be solved at this point because of a
   singularity in the Jacobian matrix.  This singularity is due to the
   equation for PART pumping_unit.PART_39 ( PART/39 Xdot ).
ERROR:      The matrix is numerically singular.
WARNING:    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   NOTE:  The set of redundant constraints has changed at time = 0.0.
   ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
ERROR:   Abnormal termination encountered in ADAMS/Solver.
ERROR:      The simulation stopped at time = 0.0.
 
   The equations of motion can not be solved at this point because of a
   singularity in the Jacobian matrix.  This singularity is due to the
   equation for PART pumping_unit.PART_39 ( PART/39 Xdot ).
ERROR:      The matrix is numerically singular.
WARNING:    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   NOTE:  The set of redundant constraints has changed at time = 0.0.
   ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
ERROR:   Abnormal termination encountered in ADAMS/Solver.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 3.85955E-03.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 3.87531E-03.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 3.87531E-03.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 2.9254.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 2.9255.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 2.9255.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 2.9255.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.4308.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.4308.
WARNING:    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   NOTE:  The set of redundant constraints has changed at time = 4.4307.
   ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.4308.
WARNING:    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   NOTE:  The set of redundant constraints has changed at time = 4.4307.
   ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.5731.
WARNING:    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   NOTE:  The set of redundant constraints has changed at time = 4.5731.
   ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.5731.
WARNING:    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   NOTE:  The set of redundant constraints has changed at time = 4.5731.
   ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.5731.
WARNING:    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   NOTE:  The set of redundant constraints has changed at time = 4.5731.
   ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.6156.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.6156.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.6156.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.6251.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.6251.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.6251.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.8588.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.8588.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.8588.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.8724.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.8724.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 4.8724.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 5.0307.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 5.0307.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 5.0307.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 5.5871.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 6.1315.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 7.8049.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 7.8049.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 7.8049.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 7.8053.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 7.8053.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 7.8053.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 2.9254.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 2.9255.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 2.9255.
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 2.9255.

驴头处钢丝绳.BMP
虚拟机全貌.BMP
驴头处钢丝绳定义.BMP
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发表于 2009-5-30 15:29:51 | 显示全部楼层
楼主解决了没呀,我也出现这问题了,高手帮帮忙
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发表于 2010-5-13 09:19:05 | 显示全部楼层
我也想了解一下这个问题是怎么解决的呀!
' N# K( r, n/ J9 Q7 F& r我的是仿真过程中对一个物体施加接触实现的还比较可以,可是再添加另一个物体在仿真就出现这个问题了,
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发表于 2010-5-13 09:26:06 | 显示全部楼层
我的错误代码是
9 w2 m  D3 U; ]  O0 L/ }WARNING:    The symbolic refactorization failed.  The matrix is structurally singular1 h! j+ h" K7 `
   at time = 9.01467E-02.
9 W+ J+ S7 C) b" Y2 k0 rWARNING:    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
! A( W0 I) n. Z, A- C+ V# S   NOTE:  The set of redundant constraints has changed at time = 9.01433E-02.: k! ?' m* j9 z2 }
   ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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发表于 2011-5-6 11:51:59 | 显示全部楼层
回复 fynymq 的帖子5 T% C2 @3 W% w; l1 o/ F3 q% p# e
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我现在也遇到了你去年遇到的问题,请问你是怎么解决的,谢谢赐教!
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发表于 2011-8-29 23:14:33 | 显示全部楼层
ping21 发表于 2011-5-6 11:51
* a) W( ^5 O! R2 q/ D9 s' \0 V回复 fynymq 的帖子
8 L7 h0 T8 I5 i1 n3 O0 ?& Z# p* e7 S6 u
我现在也遇到了你去年遇到的问题,请问你是怎么解决的,谢谢赐教!
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兄弟 我看他那处应该是柔性体,然后楼主用flexlink做成刚体,本身adams对这种仿真形式就不能很好支持。建议用有限元软件做成柔性体,导出mnf文件。而且你最好把你的模型贴上来,否则很难判断问题1 p  \) D+ f1 r6 u% Y* J5 Z
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发表于 2012-6-20 15:44:00 | 显示全部楼层
我也碰到这个问题了,没有高手解决吗,,,所有约束副加上就有问题,去一个就可以运行。。。
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