關(guān)于ADAMS仿真---[圖,，求助]

weiliao

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�,。�

+ d7 [4 o$ F+ R9 D" y( C

 

4 q' e2 _! y4 v. W7 Q! v

報(bào)錯(cuò)及警告：

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.

西西2517

樓主解決了沒(méi)呀,，我也出現(xiàn)這問(wèn)題了,，高手幫幫忙

fynymq

我也想了解一下這個(gè)問(wèn)題是怎么解決的呀！
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,，

fynymq

我的錯(cuò)誤代碼是
WARNING:    The symbolic refactorization failed.  The matrix is structurally singular
   at time = 9.01467E-02.
0 c6 m3 C, z9 T, H+ eWARNING:    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
: T3 D% V0 b" ]$ V; p' f2 D/ h1 F" k   NOTE:  The set of redundant constraints has changed at time = 9.01433E-02.
   ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

ping21

回復(fù) fynymq 的帖子

  d3 B+ r6 G: T) y. N$ F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,！

linzhanchao

ping21 發(fā)表于 2011-5-6 11:51
4 X' [; S* U' t, w2 @/ @回復(fù) fynymq 的帖子
5 k2 m0 Y$ a  p, d6 N, \& z
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,！

& k0 i+ Z$ a+ n( @1 H; Y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

曹偉.Ian

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,。。,。