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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 66
COMPUTATIONAL MECHANICS: TECHNIQUES AND DEVELOPMENTS Edited by: B.H.V. Topping
Paper IX.2
A Computational Tool for 3d Computation of Real Assembly or Shock Attenuator H. Lemoussu, P. Ladevèze and P.A. Boucard
Laboratoire de Mécanique et Technologie, Université P. et M. Curie, Cachan, France , "A Computational Tool for 3d Computation of Real Assembly or Shock Attenuator", in B.H.V. Topping, (Editor), "Computational Mechanics: Techniques and Developments", Civil-Comp Press, Edinburgh, UK, pp 223-233, 2000. doi:10.4203/ccp.66.9.2
Abstract
The extension of an approach, suitable for bolting structures
impact computation with a large number of unilateral
friction contact surfaces, and with local plasticity
of the bolts, is presented. It is a modular approach
based on a mixed domain decomposition method and the
LATIN method. This iterative resolution process operates
over the entire time-space domain. A 3-D Finite-Element code is presented and dedicated to Applications
concerning connection refined models for which the structure
components are assumed to be elastic. Several examples
are analysed to show the method's capability of
describing shocks throw real three dimensional assembly.
Comparisons between classical dynamic code LS-Dyna3d
are presented.
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