A Numerical Model for the Contact of Layered Elastic Bodies With Real Rough Surfaces

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Abstract
A numerical model for the two-dimensional dry, frictionless contact of two elastic bodies with real rough surfaces, where one body has a rigidly bonded surface layer, is presented. The model uses surface profile data directly recorded with a stylus measuring instrument and is suitable for use on a microcomputer. Verification of the accuracy of the model by reproduction of test case results is presented. Contact pressure distributions for layers of varying thickness and elastic modulus are presented.

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