Titlebook: ECCOMAS Multidisciplinary Jubilee Symposium; New Computational Ch Josef Eberhardsteiner,Christian Hellmich,Jacques P Book 2009 Springer Sci

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Harridan

Advances in Fixed-Grid Fluid Structure Interaction, from fixed-grid methods and Arbitrary Lagrangean Eulerian formulations. Necessary steps, which we introduce in [11], to enhance the XFEM/LM-FSI-method for three-dimensional higher-order problems are explained.

FOLD

,Meshless Local Petrov–Galerkin (MLPG) Formulations for Analysis of Shell-Like Structures,inimized by raising the order of approximation functions, and it is completely suppressed by using the interpolation of the strain field in the mixed formulation. The numerical efficiency of the derived concepts is demonstrated by numerical examples.

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Concurrency and Multiversioning,quations are integrated using an explicit integration algorithm along with a stress correction scheme. Performance of the model is investigated by comparing numerical predictions with experimental data for unsaturated soils.

担忧

Concurrency and Multi-versioning,solvers are investigated for the monolithic solution of the u-p formulation of the porous media problem. Moreover, a new family of parallel domain decomposition methods, specifically tailored for the above problem formulation is presented which outperforms the current state-of-the-art parallel domain decomposition solvers.

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Clusterware and Database Upgrades,ror indicators. They do not exploit extra regularity of adjoint solutions and special properties of the respective approximations (as, e.g., superconvergence). Finally, the paper suggests an error indicator, which is based not on finite element approximations of adjoint problems but on modifications of solutions known for some “etalon” domains.