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標(biāo)題: 關(guān)于ADAMS仿真---[圖,，求助] [打印本頁(yè)]
作者: weiliao    時(shí)間: 2007-5-18 13:26
標(biāo)題: 關(guān)于ADAMS仿真---[圖,，求助]

我用ADAMS做游梁式抽油機(jī)的仿真模型時(shí),，對(duì)驢頭處的鋼絲繩用連桿代替,，并定義其與驢頭的接觸碰撞,，但是仿真進(jìn)行不下去了為什么�,�,？

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報(bào)錯(cuò)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.

作者: 西西2517    時(shí)間: 2009-5-30 15:29
樓主解決了沒(méi)呀,，我也出現(xiàn)這問(wèn)題了,，高手幫幫忙
作者: fynymq    時(shí)間: 2010-5-13 09:19
我也想了解一下這個(gè)問(wèn)題是怎么解決的呀,！
4 F5 B* N7 O# l. L1 h我的是仿真過(guò)程中對(duì)一個(gè)物體施加接觸實(shí)現(xiàn)的還比較可以，可是再添加另一個(gè)物體在仿真就出現(xiàn)這個(gè)問(wèn)題了,，
作者: fynymq    時(shí)間: 2010-5-13 09:26
我的錯(cuò)誤代碼是5 p0 x2 f5 a7 N$ v+ {
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular) O* }& @5 z1 n1 e% M+ N
   at time = 9.01467E-02.. M0 x* k0 H' r( }% l1 x
WARNING:    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++: Y! c& X9 {& M* `" V1 P- P
   NOTE:  The set of redundant constraints has changed at time = 9.01433E-02.
  R- h$ w4 S: B8 k4 a0 b- B   ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
作者: ping21    時(shí)間: 2011-5-6 11:51
回復(fù) fynymq 的帖子( @! a; b0 W- X

" M. k4 R' |4 J% i6 I- `% m8 Y我現(xiàn)在也遇到了你去年遇到的問(wèn)題,，請(qǐng)問(wèn)你是怎么解決的，謝謝賜教,！
作者: linzhanchao    時(shí)間: 2011-8-29 23:14
ping21 發(fā)表于 2011-5-6 11:51 ; Q" u* |6 `( c; u  ?6 w& L
回復(fù) fynymq 的帖子
- p5 @" i7 _4 f8 K& p  W
/ h6 f6 F1 n* q( p% a1 t我現(xiàn)在也遇到了你去年遇到的問(wèn)題,，請(qǐng)問(wèn)你是怎么解決的，謝謝賜教,！

9 G  W3 ^% z. U0 ~) W! M' j( H兄弟 我看他那處應(yīng)該是柔性體,，然后樓主用flexlink做成剛體，本身adams對(duì)這種仿真形式就不能很好支持,。建議用有限元軟件做成柔性體,，導(dǎo)出mnf文件。而且你最好把你的模型貼上來(lái),，否則很難判斷問(wèn)題# N; N( e2 K4 s2 W; i6 {1 [4 j
作者: 曹偉.Ian    時(shí)間: 2012-6-20 15:44
我也碰到這個(gè)問(wèn)題了,，沒(méi)有高手解決嗎，,，,，所有約束副加上就有問(wèn)題，去一個(gè)就可以運(yùn)行,。,。。



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