Third M.I.T. Conference on Computational Fluid and Solid Mechanics June 14–17, 2005  

Numerical simulation on propagation of singularities through edges in thin hyperbolic shells

Philippe Karamian-Surville*
University of CAEN, LMNO/GM3 N, Campus II Bât. Sciences 3, Bld Maréchal Juin BP 5186 14032 Caen cedex, France
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ABSTRACT
This short paper deals with refraction phenomenon of singularities in thin shells with edges. We clearly exhibit refraction phenomenon of singularities crossing an edge formed by two shells whose middle surfaces are hyperbolic. It appears that singularities cross the edge and propagate along characteristic curves without loss of regularity.

Keywords:  Refraction; Singularity; Shells
* Tel.: +33 2 31 56 74 60; Fax: +33 2 31 56 73 22; E-mail: Philippe.karamian@meca.unicaen.fr