Asymptotic derivation of frictionless contact models for elastic rods on a foundation with normal compliance |
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Authors: | H Irago JM Viaño Á Rodríguez-Arós |
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Institution: | 1. Departamento de Matemática Aplicada, Univ. de Santiago de Compostela, Spain;2. Departamento de Métodos Matemáticos e Representación, Univ. da Coruña, Spain |
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Abstract: | Using asymptotic methods we derive some models for elastic rods in frictionless contact with a foundation with normal response. Starting from the three-dimensional problem we characterize the first terms of an asymptotic expansion of the solution taking the diameter of cross section as small parameter. Then we prove the convergence as this diameter tends to zero. In this way, we obtain and we mathematically justify a simplified model generalizing the best known classical models of such frictionless contact problems. |
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