Abstract
An accurate modelization of a coherent interface between two different domains requires the simultaneous satisfaction of the displacement continuity and of the equilibrium along this common boundary. A variational approach is used in this paper, derived from Reissner’s principle. Two triangular interface mixed finite elements with either linear or quadratic interpolations for both displacements and stresses are proposed for the analysis of plane elasticity problems. Displacements are continuous and the equilibrium along the boundaries is satisfied in an average sense. Examples of a homogeneous beam and of adhesive joints are presented.
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© 1992 Computational Mechanics Publications
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Sarhan-Bajbouj, A., Courtade, R.M., Verchery, G. (1992). Modelization of Coherent Interfaces by Mixed Finite Elements. In: Advani, S.G., Blain, W.R., de Wilde, W.P., Gillespie, J.W., Griffin, O.H. (eds) Computer Aided Design in Composite Material Technology III. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2874-2_29
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DOI: https://doi.org/10.1007/978-94-011-2874-2_29
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