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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 41
ADVANCES IN THE ANALYSIS AND DESIGN OF COMPOSITES Edited by: B.H.V. Topping
Paper V.2
Stresses and Displacements in Repaired Plates Made out of Composite Materials C. Katzenschwanz
Institute of Aerospace Engineering, Technical University of Munich, Munich, Germany C. Katzenschwanz, "Stresses and Displacements in Repaired Plates Made out of Composite Materials", in B.H.V. Topping, (Editor), "Advances in the Analysis and Design of Composites", Civil-Comp Press, Edinburgh, UK, pp 91-100, 1996. doi:10.4203/ccp.41.5.2
Abstract
A method for the prediction of the stresses and displacements
in repaired plates made out of anisotropic composite
materials is developed. The plate can be loaded either
by in-plane loadings or bending loadings. The repaired
area is divided into an elliptic inclusion, several elliptic
rings and an infinite plate with an elliptic opening. For
these areas stress functions are defined. The equilibrium
equations and the continuity equations along the boundaries
result in a set of equations with which it is possible
to determine the coefficients of the stress function.
The method described provides good correspondence with
finite-element-simulations by less time for modelling the
repaired area. Therefore it is possible to optimise the
repair in order to get small stress concentrations.
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