Iterative modelling for stress analysis of composite laminates

Vijayakumar, K. ; Krishna Murty, A. V. (1988) Iterative modelling for stress analysis of composite laminates Composites Science and Technology, 32 (3). pp. 165-181. ISSN 0266-3538

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/026635...

Related URL: http://dx.doi.org/10.1016/0266-3538(88)90018-8

Abstract

The importance of interlaminar stresses has prompted a fresh look at the theory of laminated plates. An important feature in modelling such laminates is the need to provide for continuity of some strains and stresses, while at the same time allowing for the discontinuities in the others. A new modelling possibility is examined in this paper. The procedure allows for discontinuities in the in-plane stresses and transverse strains and continuity in the in-plane strains and transverse stresses. This theory is in the form of a heirarchy of formulations each representing an iterative step. Application of the theory is illustrated by considering the example of an infinite laminated strip subjected to sinusoidal loading.

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