Development of Revolute-Joint Element with Rotation Limits, Locking, Resistive Moment and Damping |
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Authors: | SV Wong AMS Hamouda MSJ Hashmi |
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Affiliation: | (1) Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, Malaysia, MY;(2) School of Mechanical and Manufacturing Engineering, Dublin City University, Dublin, Ireland, IE |
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Abstract: | . The revolute-joint is an important component of a mechanical system. Thus, the motion simulation of multibodies connected
with revolute-joints is of common interest. A simple revolute-joint can be easily represented in a numerical way, whereby
the bending moment at the particular joint equals zero. Formulation becomes complicated when involving bending limits, the
resistive moment and the damping effect. Furthermore, several bodies connected with revolute-joints form a complex system.
This has been particularly useful for simulating a multibody system. A novel revolute-joint model is proposed in this paper.
Several possible methods are suggested to handle bending limits. The incor-poration of the resistive moment and damping effects
are also presented. The numerical stability of the revolute element is discussed, and a stability criterion suggested. The
revolute-joint element is incorporated into an explicit finite difference code developed by the authors. Numerical examples
are shown for different methods and conditions. |
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Keywords: | : Adaptive stiffness method Finite difference model Locking mechanism Numerical stability criterion Revolute joint algorithm Revolute joint element |
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