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Modelling and Simulation in Engineering
Volume 2012 (2012), Article ID 317359, 14 pages
Research Article

Parallel Mesh Adaptive Techniques Illustrated with Complex Compressible Flow Simulations

1EPFL STI GR-SCI-IAG, Station 9, 1015 Lausanne, Switzerland
2APCO Technologies, Chemin de Champex 10, CH-1860 Aigle, Switzerland

Received 27 April 2012; Accepted 13 August 2012

Academic Editor: Antonio Munjiza

Copyright © 2012 Pénélope Leyland et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The aim of this paper is to discuss efficient adaptive parallel solution techniques on unstructured 2D and 3D meshes. We concentrate on the aspect of parallel a posteriori mesh adaptation. One of the main advantages of unstructured grids is their capability to adapt dynamically by localised refinement and derefinement during the calculation to enhance the solution accuracy and to optimise the computational time. Grid adaption also involves optimisation of the grid quality, which will be described here for both structural and geometrical optimisation.