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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 66
COMPUTATIONAL MECHANICS: TECHNIQUES AND DEVELOPMENTS
Edited by: B.H.V. Topping
Paper III.4

Axisymmetric Indentation Analyses by the Rigid-Plastic Domain-Boundary Element Method

Y.-M. Guo and K. Nakanishi

Department of Mechanical Engineering, Kagoshima University, Kagoshima City, Japan

Full Bibliographic Reference for this paper
Y.-M. Guo, K. Nakanishi, "Axisymmetric Indentation Analyses by the Rigid-Plastic Domain-Boundary Element Method", in B.H.V. Topping, (Editor), "Computational Mechanics: Techniques and Developments", Civil-Comp Press, Edinburgh, UK, pp 53-60, 2000. doi:10.4203/ccp.66.3.4
Abstract
The rigid-plastic domain-boundary element method has been formulated with mixed variables (velocity and velocity's derivative). This method possesses a merit in that compatibilities of not only velocity but also velocity's derivative can be met, then it may be considered that precision of the rigid-plastic domain-boundary element method is higher than that of the classical rigid-plastic finite element methods. On the other hand, the rigid-plastic domain-boundary element method possesses another merit in that it does not need iterative calculations in any computing step and then there is not possibility of divergence with the iterative calculations. In this paper, an axisymmetric rigid-plastic domain-boundary element method is formulated, and axisymmetric indentation processes of three material constants and two friction factors are analyzed by this method.

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