Lateral translation of an inextensible circular membrane embedded in a transversely isotropic half-space

The asymmetric problem of lateral translation of an inextensible circular membrane embedded in a transversely isotropic half-space is addressed. With the aid of appropriate Green's functions, the governing equations of the problem are written as a set of coupled integral equations. With further...

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Bibliographic Details
Published in:European journal of mechanics, A, Solids A, Solids, 2013-05, Vol.39, p.134-143
Main Authors: Eskandari, M., Shodja, H.M., Ahmadi, S.F.
Format: Article
Language:English
Subjects:
Asymmetry
Constraining
Distribution theory
Fredholm integral equation
Half spaces
Inextensible membrane
Integral equations
Lateral stiffness
Mathematical analysis
Mathematical models
Membranes
Translations
Transversely isotropic
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Summary:The asymmetric problem of lateral translation of an inextensible circular membrane embedded in a transversely isotropic half-space is addressed. With the aid of appropriate Green's functions, the governing equations of the problem are written as a set of coupled integral equations. With further mathematical transformations, the system of dual integral equations is reduced to two coupled Fredholm integral equations of the second kind which are amenable to numerical treatments. The exact closed-form solutions corresponding to two limiting cases of a membrane resting on the surface of a half-space and embedded in a full-space are derived. The jump behavior of results at the edge of the membrane for the case of an infinitesimal embedment is highlighted analytically. For the special case of an isotropic half-space, the results are in exact agreement with those available in the literature. The detailed numerical scheme for solving the coupled Fredholm integral equations is presented. Selected numerical results are depicted and the effects of anisotropy on the lateral stiffness factor are discussed. ► Lateral translation of an inextensible circular membrane buried in a transversely isotropic half-space. ► Exact solutions of a flexible punch and the membrane in an infinite solid are recovered. ► For an infinitesimal embedment jump behavior in solutions at edges are observed. ► Material anisotropy leads to very different results from those of isotropic case.
ISSN:0997-7538
1873-7285
DOI:10.1016/j.euromechsol.2012.10.003