대한기계학회논문집A (Transactions of the Korean Society of Mechanical Engineers A)

  • 제29권8호
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  • Pages.1123-1131
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  • 2005
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  • 1226-4873(pISSN)
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  • 2288-5226(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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탄성 대변형 다물체동역학을 위한 슬라이딩조인트 개발

The Development of a Sliding Joint for Very Flexible Multibody Dynamics

  • 발행 : 2005.08.01
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초록

In this paper, a formulation for a spatial sliding joint, which a general multibody can move along a very flexible cable, is derived using absolute nodal coordinates and non-generalized coordinate. The large deformable motion of a spatial cable is presented using absolute nodal coordinate formulation, which is based on the finite element procedures and the general continuum mechanics theory to represent the elastic forces. And the non-generalized coordinate, which is neither related to the inertia forces nor external forces, is used to describe an arbitrary position along the centerline of a very flexible cable. In the constraint equation for the sliding joint, since three constraint equations are imposed and one non-generalized coordinate is introduced, one constraint equation is systematically eliminated. Therefore, there are two independent Lagrange multipliers in the final system equations of motion associated with the sliding joint. The development of this sliding joint is important to analyze many mechanical systems such as pulley systems and pantograph/catenary systems for high speed-trains.

키워드

참고문헌

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피인용 문헌

  1. Dynamic-Elastic Deformation Analysis for Precise Design of High Speed Press Machine vol.38, pp.1, 2014, https://doi.org/10.3795/KSME-A.2014.38.1.079