A new efficient updated Lagrangian strategy for numerical simulations of material forming processes is presented. The basic ingredient is the tensorial decomposition of the velocity field into a finite sum of in-plane and an out-of-plane components, giving rise to an equivalent computational complexity of some two-dimensional problems and some one-dimensional ones (therefore, much less than the true three-dimensional complexity of the original problem). This is efficiently achieved by using Proper Generalized Decomposition (PGD) techniques, which are here employed in an updated Lagrangian framework for the very first time. This updated Lagrangian nature of the method needs the use of a robust numerical integration technique (in this case, the Stabilized Conforming Nodal Integration has been chosen) for addressing the highly distorted projected meshes. The resulting strategy is of general purpose, although it is especially well suited for addressing models defined in plate or shell (in general, parallelepipedic) domains. The basics of the just-developed method are shown, together with some numerical examples to show the potential of the technique.
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Diego Canales 1, 2 ; Adrien Leygue 1 ; Francisco Chinesta 1 ; Icíar Alfaro 2 ; David González 2 ; Elías Cueto 2 ; Éric Feulvarch 3 ; Jean-Michel Bergheau 3
@article{CRMECA_2016__344_4-5_225_0, author = {Diego Canales and Adrien Leygue and Francisco Chinesta and Ic{\'\i}ar Alfaro and David Gonz\'alez and El{\'\i}as Cueto and \'Eric Feulvarch and Jean-Michel Bergheau}, title = {In-plane/out-of-plane separated representations of updated {Lagrangian} descriptions of viscoplastic flow models in plate domains}, journal = {Comptes Rendus. M\'ecanique}, pages = {225--235}, publisher = {Elsevier}, volume = {344}, number = {4-5}, year = {2016}, doi = {10.1016/j.crme.2015.12.006}, language = {en}, }
TY - JOUR AU - Diego Canales AU - Adrien Leygue AU - Francisco Chinesta AU - Icíar Alfaro AU - David González AU - Elías Cueto AU - Éric Feulvarch AU - Jean-Michel Bergheau TI - In-plane/out-of-plane separated representations of updated Lagrangian descriptions of viscoplastic flow models in plate domains JO - Comptes Rendus. Mécanique PY - 2016 SP - 225 EP - 235 VL - 344 IS - 4-5 PB - Elsevier DO - 10.1016/j.crme.2015.12.006 LA - en ID - CRMECA_2016__344_4-5_225_0 ER -
%0 Journal Article %A Diego Canales %A Adrien Leygue %A Francisco Chinesta %A Icíar Alfaro %A David González %A Elías Cueto %A Éric Feulvarch %A Jean-Michel Bergheau %T In-plane/out-of-plane separated representations of updated Lagrangian descriptions of viscoplastic flow models in plate domains %J Comptes Rendus. Mécanique %D 2016 %P 225-235 %V 344 %N 4-5 %I Elsevier %R 10.1016/j.crme.2015.12.006 %G en %F CRMECA_2016__344_4-5_225_0
Diego Canales; Adrien Leygue; Francisco Chinesta; Icíar Alfaro; David González; Elías Cueto; Éric Feulvarch; Jean-Michel Bergheau. In-plane/out-of-plane separated representations of updated Lagrangian descriptions of viscoplastic flow models in plate domains. Comptes Rendus. Mécanique, Volume 344 (2016) no. 4-5, pp. 225-235. doi : 10.1016/j.crme.2015.12.006. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2015.12.006/
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