A Method for Analysis of Elasto-dynamic Contact Problems by Finite Element Method
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概要
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The basic equations of motion with contact-impact behavior for two bodies are formulated by the finite element method based on the principle of virtual work, in which the unknown contact-impact forces acting on contact surfaces are treated as the forces acting on surfaces of each body. Regarding two bodies as being interconnected through contact surfaces makes it possible to eliminate the unknown force components form the basic equations Then, the equations of contact motion for two bodies can be derived for various contact states. The equations of contact motion are applied to a two-dimensional analysis of longitudinal impact of two prismatic rods with an equal cross-sectional area. Although the calculated results fluctuate periodically, the mean value agrees well with that obtained by the theory of propagation of one-dimensional elastic stress wave. This method is practically applicable to elasto-dynamic contact problems.
- 一般社団法人日本機械学会の論文
著者
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Asano Naoki
Department Of Biological Chemistry School Of Pharmacy Hokuriku University
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Doi Osamu
Faculty Of Applied Biological Sciences Gifu University
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Asano Naoki
Department Of Mechanical Engineering Faculty Of Engineering Tamagawa University
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Doi Osamu
Faculty Of Engineering University Of Hokkaido
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DOI OSAMU
Faculty of Agriculture, Gifu University
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