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A posteriori error estimation and three-dimensional adaptive remeshing: Application to error control of non-steady metal forming simulations

Abstract : Zienkiewicz-Zhu type a posteriori error estimators are studied for 3D problems and applied to mesh adaptivity. In a first part we present a variation of the SPR technique, the MPR (Minimal Patch Recovery) method, which is based on using a minimal specific patch for the recovery technique and, on an accurate introduction of boundary conditions. The effectivity of the MPR technique is then compared, in term of accuracy, to more classical estimators in the frame of a velocity/pressure formulation for 3D-elasticity problem. In a second part, the focus is put on the adaptive strategies and their application to error control of 3D non-steady metal forming simulation
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Submitted on : Tuesday, November 2, 2010 - 11:05:12 AM
Last modification on : Thursday, September 24, 2020 - 5:22:54 PM

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Ramzy Boussetta, Lionel Fourment. A posteriori error estimation and three-dimensional adaptive remeshing: Application to error control of non-steady metal forming simulations. Materials Processing and Design: Modeling, Simulation and Applications - NUMIFORM 2004 - Proceedings of the 8th International Conference on Numerical Methods in Industrial Forming Processes, Jun 2004, Colombus, United States. p. 2246-2251 - ISBN : 0-7354-0188-8, ⟨10.1063/1.1766869⟩. ⟨hal-00531233⟩

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