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| The cut-off joints analysis method in the multi-body systems program |
| Received:November 02, 2005 Revised:March 20, 2006 |
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| DOI：10.7511/jslx20076155 |
| KeyWord:dynamics of multi-body system,system without tree structure,cut-off joint,constraint equation,constraint orthogonal axis |
| CHEN Li QI Zhao-hui |
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| Abstract: |
| The cut-off joints constraint equation is one of the most important parts in the multi-body system without tree structure program.The disposal of the method is complex.For the purpose of developing those constraint equations,this paper introduced the concept of the constraint orthogonal axis.Several typical cut-off joints(revolute,universal,prism,revolute-prism) constraint equations were developed.And the detail steps of the program were written out.These methods are applicable to any other cut-off joints.Numerical example demonstrates the effectiveness and the quickness of the proposed analysis method for the cutoff joints constrain equation. |
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