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홍헌석,우호길,이규석 忠南大學校 産業技術硏究所 1996 산업기술연구논문집 Vol.11 No.2
The work presents an analysis of the contact problem between the two frictional elastic bodies. Under the assumption of the unbonded and no penentrating, the contact problem was described as the total potential energy equation. The solution was obtained by the numerical approximation technique finite element method, and iterative method. Several examples were solved to test the presented method. First example is the contact problem between a elastic punch and plate. Second is the contact problem between a elastic connecting rod and shaft. The results were compared with other numerical and analytic solution, and the results were concided with them.
이규석,김재하,우호길 忠南大學校 産業技術硏究所 1991 산업기술연구논문집 Vol.6 No.1
The work presents an analysis of the contact problem between the two dimensional elastic bodies. Under the assumption of the unbonded and frictionless charateristics of the contact problem, the problem is formulated in the form of a quadratic programming using the finite element method. The solution is obtained by the modified simplex method with the dual problem approch. Several examples are solved to verify the presented method. First example is the contact problem between the elastic punch and the elastic flat. Second is the contact problem between the elastic cylinder and the elastic flat. The results are compared to other numerical and analytical solutions, and the results coincide with the solutions.