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标题: ADAMS柔性体导入无法仿真 [打印本页]

作者: sapringna    时间: 2007-3-21 18:02
标题: ADAMS柔性体导入无法仿真
用adams做的起重机前大梁刚体运动仿真分析没有问题,但是把在ansys中建好的前大梁柔性体导入以后产生了如下的错误

WARNING: The distance between the J marker and the I marker is 8.3733829588E-003.
          (No warnings if less than +/-1.0E-003)
          Revolute Joint = .new.JOINT_11
          I Marker = .new.PART14_flex.MARKER_21
          J Marker = .new.PART30.MARKER_22
WARNING: The distance between the J marker and the I marker is 2.0456089318E-002.
          (No warnings if less than +/-1.0E-003)
          Revolute Joint = .new.JOINT_13
          I Marker = .new.PART14_flex.MARKER_25
          J Marker = .new.PART30.MARKER_26
WARNING: The distance between the J marker and the I marker is 9.4947945898E-002.
          (No warnings if less than +/-1.0E-003)
          Revolute Joint = .new.JOINT_18
          I Marker = .new.PART14_flex.MARKER_35
          J Marker = .new.PART4.MARKER_36
ERROR:   The required matrix INVAR7 is missing for flexible body .new.PART14_flex
ERROR:   The flexible body properties matrix, SELECTED_MODES, has 52 rows instead of the expected 0.


后来看到了autoflex的使用方法,采用shell的网格划分方法还是出错了

Storing Solid Mesh Data...
Creating Mesh Preview for Solid in progress...
Mesh preview successfully generated!
Nodes=17409, Elements=36874
Created new ground reference marker .new.ground.reference_1
Created new ground reference marker .new.ground.reference_2
Created new ground reference marker .new.ground.reference_3
Storing Solid Mesh Data...
Creating Geometry Mesh Flex Body in progress...
ERROR:   Problem solving flexible body
ERROR:   Flexible body creation failed
Storing Solid Mesh Data...
Creating Geometry Mesh Flex Body in progress...
ERROR:   Problem solving flexible body
ERROR:   Flexible body creation failed


有没有人可以帮忙看一下啊



图形是这样的,蓝色部分就是要转换的部分。
作者: sunnyjs3    时间: 2007-3-21 19:57
标题: 这个问题我也有
我做得是曲轴的动力学分析,最近正在分析原因.知道了告诉你
作者: sapringna    时间: 2007-3-21 22:55
难道你也遇到一样的问题?
作者: yinjunv    时间: 2007-4-1 09:47
期待着大家的解释,偶也遇到同样的问题~~~~
作者: sunnyjs3    时间: 2007-4-2 10:30
我现在已经做好了,导入的时候要注意MNF文件里面选取的外连接点.在柔性体上做mark点添加约束.
作者: yinjunv    时间: 2007-4-6 17:30
原帖由 sunnyjs3 于 2007-4-2 10:30 发表
我现在已经做好了,导入的时候要注意MNF文件里面选取的外连接点.在柔性体上做mark点添加约束.

我想请问一下”外连接点“在ansys中是怎么建立的?谢谢!!!




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