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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 24
ADVANCES IN NON-LINEAR FINITE ELEMENT METHODS
Edited by: B.H.V. Topping and M. Papadrakakis
Paper VII.2

Delamination Growth Simulation with a Moving Mesh Technique

S. Rinderknecht and B. Kroplin

Institute for Statics and Dynamics of Aerospace Structures,University of Stuttgart, Stuttgart, Germany

Full Bibliographic Reference for this paper
S. Rinderknecht, B. Kroplin, "Delamination Growth Simulation with a Moving Mesh Technique", in B.H.V. Topping, M. Papadrakakis, (Editors), "Advances in Non-Linear Finite Element Methods", Civil-Comp Press, Edinburgh, UK, pp 187-197, 1994. doi:10.4203/ccp.24.7.2
Abstract
This paper presents a finite element model based on the Reissner-Mindlin plate theory to calculate the static load-deflection behavior of delaminated plates. Delamination growth is taken into account by applying a fracture mechanics criterion which can only be checked along the delamination front. Therefore, a so-called front control method has to be used for the delamination growth simulation, which is realized with a moving mesh technique adapting the mesh successively to the delamination front. Although the simplifications of the model compared to the three-dimensional elasticity theory restrict the model to Griffith-type growth criteria, qualitative delamination growth phenomena can be described rather well.

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