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pro vyhledávání: '"Akula, Basava Raju"'
Autor:
Akula, Basava Raju
Cette thèse a pour but de développer un ensemble de méthodes permettant de gérer les problèmes de contact et de couplage de maillages dans le cadre de la méthode des éléments finis classiques et étendus. Ces problèmes d'interfaces sont trai
Externí odkaz:
http://www.theses.fr/2019PSLEM003/document
A method to treat frictional contact problems along embedded surfaces in the finite element framework is developed. Arbitrarily shaped embedded surfaces, cutting through finite element meshes, are handled by the X-FEM. The frictional contact problem
Externí odkaz:
http://arxiv.org/abs/1902.04000
We present a unified framework to tie overlapping meshes in solid mechanics applications. This framework is a combination of the X-FEM method and the mortar method, which uses Lagrange multipliers to fulfill the tying constraints. As known, mixed for
Externí odkaz:
http://arxiv.org/abs/1902.04003
Autor:
Akula, Basava Raju
Publikováno v:
Mechanics of materials [physics.class-ph]. Université Paris sciences et lettres, 2019. English. ⟨NNT : 2019PSLEM003⟩
In this work we develop a set of methods to handle tying and contact problems along real and virtual (embedded) surfaces in the framework of the finite element method. The first objective is to elaborate an efficient and fully consistent three-dimens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______212::92c35076bd3d43287ab2780e3ccc2417
https://pastel.archives-ouvertes.fr/tel-02200516
https://pastel.archives-ouvertes.fr/tel-02200516
Publikováno v:
13e colloque national en calcul des structures
13e colloque national en calcul des structures, Université Paris-Saclay, May 2017, Giens, Var, France
13e colloque national en calcul des structures, Université Paris-Saclay, May 2017, Giens, Var, France
International audience; In this paper we propose a unified framework of the mortar domain decomposition method and extended finite element method (X-FEM). This framework allows to deal in an efficient manner with two cumbersome aspects of the finite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8625c65f721aa086c52a572cb3d8984d
https://hal-mines-paristech.archives-ouvertes.fr/hal-01815998/document
https://hal-mines-paristech.archives-ouvertes.fr/hal-01815998/document