Comparison Between a New External Code Coupler Gc+ Extended in Non-Linear Dynamics and Abaqus/Co-Simulation

Abstract eng:
The aim of this work is to propose a comparison between our new GC+ external code coupler extended to non-linear cases with the new capability Abaqus/co-simulation which is able to couple Abaqus/Explicit with a Finite Element code Abaqus/Standard (Implicit scheme). The external code coupler available in Abaqus version 6.9 called Abaqus/cosimulation is based on the sub-domain decomposition method named GC method. This method has been proposed by Gravouil and Combescure for Newmark time schemes in linear dynamics and, then, extended to non linear dynamics. First, the GC sub-domain decomposition method and the GC+ method issued from a reformulation of the GC method are presented. Then, the use-case called “Airbus plane panel” which will be used to compare our non-linear GC+ code coupler with the co-simulation method of Abaqus 6.9 is described. Finally, obtained results in non-linear cases are presented and discussed. This work is funded by the European project MAAXIMUS.

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