New Implementations for the Simultaneous-FETI Method Roberto Molina, François-Xavier Roux
New implementations for the Simultaneous-FETI method Roberto Molina, François-xavier Roux To cite this version: Roberto Molina, François-xavier Roux. New implementations for the Simultaneous-FETI method. International Journal for Numerical Methods in Engineering, Wiley, 2019, 118 (9), pp.519-535. 10.1002/nme.6024. hal-02294320 HAL Id: hal-02294320 https://hal.archives-ouvertes.fr/hal-02294320 Submitted on 23 Sep 2019 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. ORIG I NAL AR TI CLE New IMPLEMENTATIONS FOR THE Simultaneous-FETI method. Roberto Molina1∗ | FRançois-XaVIER Roux2∗ 1LaborATOIRE Jacques LOUIS Lions, Sorbonne In THIS work, WE PRESENT ALTERNATIVE IMPLEMENTATIONS FOR THE Université, Paris, 75005, FRANCE 2DTIS/ONERA, Université PARIS SaclaY, Simultaneous-FETI (S-FETI) method. DeVELOPED IN RECENT F-91123 Palaiseau, FRANCE Years, THIS METHOD HAS SHOWN TO BE VERY ROBUST FOR HIGHLY Correspondence HETEROGENEOUS problems. HoweVER, THE MEMORY COST IN S- Roberto Molina, Applied Mathematics FETI IS GREATLY INCREASED AND CAN BE A LIMITATION TO ITS use. Department, National LaborATORY FOR ScientifiC Computing - LNCC, Petrópolis, RJ, Our MAIN OBJECTIVE IS TO REDUCE THIS MEMORY USAGE with- 25651-070, BrAZIL OUT LOSING SIGNIfiCANT TIME consumption.
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