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A variational formulation governed by two bipotentials for a frictionless contact model

    Andaluzia Matei   Affiliation
    ; Madalina Osiceanu   Affiliation

Abstract

We consider a frictionless contact model whose constitutive law and contact condition are described by means of subdifferential inclusions. For this model, we deliver a variational formulation based on two bipotentials. Our formulation envisages the computation of a three-field unknown consisting of the displacement vector, the stress tensor and the normal stress on the contact zone, the contact being described by a generalized Winkler condition. Subsequently, we obtain existence and uniqueness results. Some properties of the solution are also discussed, focusing on the data dependence.

Keyword : contact condition, subdifferential inclusion, bipotentials, three-field weak solution, data dependence

How to Cite
Matei, A., & Osiceanu, M. (2024). A variational formulation governed by two bipotentials for a frictionless contact model. Mathematical Modelling and Analysis, 29(1), 109–124. https://doi.org/10.3846/mma.2024.17944
Published in Issue
Feb 23, 2024
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