Source: https://www.researchgate.net/profile/Alain-Combescure/publication/268431604_Couplage_de_modeles_en_dynamique_rapide_Application_au_couplage_SPH-EF_pour_la_simulation_d'un_impact_de_projectile_sur_une_dalle_en_beton_armee/links/551933d20cf273292e70d8df/Couplage-de-modeles-en-dynamique-rapide-Application-au-couplage-SPH-EF-pour-la-simulation-dun-impact-de-projectile-sur-une-dalle-en-beton-armee.pdf