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Three-dimensional nonlinear analysis of adhesively bonded lap joints considering viscoplasticity in adhesives

Pandey, PC and Narasimhan, S (2001) Three-dimensional nonlinear analysis of adhesively bonded lap joints considering viscoplasticity in adhesives. In: Computers & Structures, 79 (7). pp. 769-783.

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The pager presents three-dimensional (3D) viscoplastic analysis of adhesively bonded single lap joint considering material and geometric nonlinearity. The constitutive relations for the adhesive is developed using a pressure dependent (modified) von Mises yield function and Ramberg-Osgood idealization for the experimental stress-strain curve. The adherends and adhesive layers are modelled using 20 noded solid elements. The overall geometry of the lap joint, the loading and the boundary conditions have been considered both according to the ASTM testing standard as well as from those adopted in earlier investigations. Materially and geometrically nonlinear finite element analysis have been carried out on several joint configurations. However, observations have been made in particular on peel and shear stresses in the adhesive layer, which provides useful insight into the 3D nature of the problem.

Item Type: Journal Article
Publication: Computers & Structures
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Adherends;Adhesives;Bonded Joints;Elasto-Viscoplasticity;Finite Element Analysis;Material And Geometrical Nonlinearity;Peel Stress;Shear Stress;Three-Dimensional Behaviour;Viscoplasticity
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 04 Feb 2010 06:11
Last Modified: 19 Sep 2010 04:58
URI: http://eprints.iisc.ac.in/id/eprint/17708

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