Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/5287
Título: The use of the boundary element method in the analysis of single lap joints
Autor: Gonçalves, Daniel J. S.
Campilho, Raul
Silva, Lucas F. M. da
Fernandes, J.L.M.
Palavras-chave: Boundary element method
Finite element analysis
Lap-shear
Data: 2014
Editora: Taylor & Francis
Relatório da Série N.º: The Journal of Adhesion;Vol. 90, Issue 1
Resumo: The most common techniques for stress analysis/strength prediction of adhesive joints involve analytical or numerical methods such as the Finite Element Method (FEM). However, the Boundary Element Method (BEM) is an alternative numerical technique that has been successfully applied for the solution of a wide variety of engineering problems. This work evaluates the applicability of the boundary elem ent code BEASY as a design tool to analyze adhesive joints. The linearity of peak shear and peel stresses with the applied displacement is studied and compared between BEASY and the analytical model of Frostig et al., considering a bonded single-lap joint under tensile loading. The BEM results are also compared with FEM in terms of stress distributions. To evaluate the mesh convergence of BEASY, the influence of the mesh refinement on peak shear and peel stress distributions is assessed. Joint stress predictions are carried out numerically in BEASY and ABAQUS®, and analytically by the models of Volkersen, Goland, and Reissner and Frostig et al. The failure loads for each model are compared with experimental results. The preparation, processing, and mesh creation times are compared for all models. BEASY results presented a good agreement with the conventional methods.
Peer review: yes
URI: http://hdl.handle.net/10400.22/5287
DOI: 10.1080/00218464.2013.763725
Versão do Editor: http://www.tandfonline.com/doi/abs/10.1080/00218464.2013.763725#.VKqnbdKsXTo
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