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Abaqus user element for an accurate modeling of adhesive joints on coarse meshes

Abstract : This work is concerned with the Abaqus implementation of a suitable CAE methodology to get the most benefits of structural adhesive bonding. In this study, we are interested in cohesive debonding where the adhesive thickness and its non-linear behavior are of major importance. When subjected to loading, significant stress field gradients may develop around outer edges of the joint. Because such regions are sites for failure initiation, a specific mesh refinement is needed. Using SIMULIA solutions, an efficient discretization strategy, inspired by the p-FEM, is suggested and is implemented as an Abaqus user element. Balancing the accuracy and the calculation time, in full-scale simulations, it is then possible to capture edge effects and damage initiation. As the approach is suggested to be used in real applications, a validation example has been chosen to show the suitability of the methodology on coarse meshes.
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Contributor : Sébastien Joannès Connect in order to contact the contributor
Submitted on : Friday, March 8, 2019 - 7:51:33 AM
Last modification on : Monday, June 27, 2022 - 3:07:19 AM


  • HAL Id : hal-02061277, version 1


Sébastien Joannès, Jacques Renard. Abaqus user element for an accurate modeling of adhesive joints on coarse meshes. SSC 2009 - SIMULIA Customer Conference, DS SIMULIA, May 2009, London, United Kingdom. ⟨hal-02061277⟩



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