A finite element formulation of three-dimensional contact problems with slip and friction |
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Authors: | J W Simons P G Bergan |
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Affiliation: | (1) SRI International, 333 Ravenswood Avenue, Menlo Park, CA, USA;(2) Division of Structural Mechanics, Norwegian Institute of Technology, Trondheim, Norway |
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Abstract: | The paper describes a special finite element for three-dimensional, large displacement analysis of contact problems with slip and friction. This element may be used to model contact between several finite element bodies or contact between a finite element body and a flexible or rigid geometrical surface fixed in space or moving with time. The contact formulation is based on the concept of a spring-supported, moving disk that transfers normal contact forces and Coulomb friction forces. The contact surface has a finite, prescribed boundary.The contact element has been incorporated into the general-purpose, nonlinear, finite element program FENRIS. Three examples of its application are described in the paper.J. W. Simons was previously NTNF Fellow, Division of Technology, Trondheim, Norway |
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