THE BUCKLING OF AN ORTHOTROPIC LAYER ON A HALF-SPACE

Authors
Citation
Sf. Hwang, THE BUCKLING OF AN ORTHOTROPIC LAYER ON A HALF-SPACE, International journal of mechanical sciences, 40(7), 1998, pp. 711-721
Citations number
9
Categorie Soggetti
Mechanics,"Engineering, Mechanical
ISSN journal
00207403
Volume
40
Issue
7
Year of publication
1998
Pages
711 - 721
Database
ISI
SICI code
0020-7403(1998)40:7<711:TBOAOL>2.0.ZU;2-0
Abstract
The buckling of an orthotropic layer bonded to an isotropic or orthotr opic half-space subjected to compression loading under plane strain is presented. Mechanics of incremental deformation, which considers the effect of the initial stress field on the incremental stress field, is applied to describe the buckling behavior of both the layer and the h alf-space. The problem is converted to an eigenvalue-eigenvector case, from which the critical buckling strains or stresses are obtained and the effect of orthotropy on buckling is assessed. The results show th at the effect of orthotropy becomes more obvious when the modulus rati o, the ratio of longitudinal moduli of the layer to the half-space, is less and that approximating the problem by using isotropic properties for both the layer and the half-space will be unconservative and may cause unexpected failure. (C) 1998 Elsevier Science Ltd. All rights re served.