Producción Científica Profesorado

Slow decay of end effects in layered structures with an imperfect interface



Ávila Pozos, Orlando

2004

Orlando Avila-Pozos and Alexander B. Movchan Slow decay of end effects in layered structures with an imperfect interface Journal of Engineering Mathematics Volume 45, Number 2, 155-168, DOI: 10.1023/A:1022125917959


Abstract


An asymptotic analysis of a layered structure with an imperfect interface subject to an anti-plane shear deformation and non-homogeneous Dirichlet end conditions is presented in this paper. Two layers of isotropic materials are bonded via a middle interface layer (adhesive joint), which is thin and soft; effectively, this can be described as a discontinuity surface for the displacement. Model fields are constructed to compensate for the error produced by the asymptotic solution for the case when the layered structure is subject to non-homogeneous Dirichlet end conditions. Numerical examples and analytical estimates are presented to illustrate the slow decay of the `boundary-layer' fields.






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