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Locking in the incompressible limit: pseudo-divergence-free element free Galerkin

Author
Vidal, Y.; Villon, P.; Huerta, A.
Type of activity
Journal article
Journal
Revue européenne de mécanique numérique = European journal of computational mechanics
Date of publication
2002-11
Volume
11
Number
7-8
First page
869
Last page
892
DOI
https://doi.org/10.3166/reef.11.869-892 Open in new window
Repository
http://hdl.handle.net/2117/8129 Open in new window
Abstract
Locking in finite elements has been a major concern since its early developments and has been extensively studied. However, locking in mesh-free methods is still an open topic. Until now the remedies proposed in the literature are extensions of already developed methods for finite elements. Here a new approach is explored and an improved formulation that asymptotically suppresses volumetric locking for the EFG method is proposed. The diffuse divergence converges to the exact divergence. Since th...
Citation
Vidal, Y.; Pierre, V.; Huerta, A. Locking in the incompressible limit: pseudo-divergence-free element free Galerkin. "Revue européenne des élements finis", Novembre 2002, vol. 11, núm. 7-8, p. 869-892.
Keywords
Element Free Galerkin, Diffuse derivatives, Incompressible flow, LBB condition, Locking, Moving Least Squares
Group of research
LACÀN - Numerical Methods for Applied Sciences and Engineering

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