Article (Scientific journals)
Modeling thixoforming process using the eXtended Finite Element Method and the Arbitrary Lagrangian Eulerian formulation
Biotteau, Ewen; Bussetta, Philippe; Ponthot, Jean-Philippe
2013In Key Engineering Materials, 554-557, p. 691-698
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Keywords :
Thixoforming; eXtended Finite Element method; Arbitrary Lagrangian Eulerian; frictional contact
Abstract :
[en] In this contribution, one proposes a new strategy to model forming processes involving non-linear phenomena. The contact between the tool and the structure is enforced using a penalty approach. To free the user from the strict conforming between the structure and the mesh boundaries, one uses the level set and the extended finite element method for material/void interfaces. However, even if the finite element mesh does not need to conform with the boundaries, it still deforms with the structure. Then, an Arbitrary Lagrangian Eulerian formulation is introduced to relocate the mesh in its initial configuration and avoid distortions. From a user point of view, the whole calculation is then performed on a fixed Eulerian mesh.
Disciplines :
Mechanical engineering
Author, co-author :
Biotteau, Ewen
Bussetta, Philippe ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire
Ponthot, Jean-Philippe  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire
Language :
English
Title :
Modeling thixoforming process using the eXtended Finite Element Method and the Arbitrary Lagrangian Eulerian formulation
Publication date :
2013
Journal title :
Key Engineering Materials
ISSN :
1013-9826
eISSN :
1662-9795
Publisher :
Trans Tech Publications, Aedermannsdorf, Switzerland
Volume :
554-557
Pages :
691-698
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Thixowal
Funders :
DGTRE - Région wallonne. Direction générale des Technologies, de la Recherche et de l'Énergie [BE]
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