Article (Scientific journals)
Electrostatic Simulation using XFEM for Conductor and Dielectric Interfaces
Rochus, Véronique; Rixen, Daniel; Van Miegroet, Laurent et al.
2011In International Journal for Numerical Methods in Engineering, 85 (10), p. 1207–1226
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Keywords :
Extended Finite Elements; Dirichlet Boundary Conditions; Electrostatic Forces
Abstract :
[en] ManyMicro-Electro-Mechanical Systems (e.g. RF-switches, micro-resonators and micro-rotors) involve mechanical structures moving in an electrostatic field. For this type of problems, it is required to evaluate accurately the electrostatic forces acting on the devices. Extended Finite Element (X-FEM) approaches can easily handle moving boundaries and interfaces in the electrostatic domain and seem therefore very suitable to model Micro-Electro-Mechanical Systems. In this study we investigate different X-FEM techniques to solve the electrostatic problem when the electrostatic domain is bounded by a conducting material. Preliminary studies in one-dimension have shown that one can obtain good results in the computation of electrostatic potential using X-FEM. In this paper the extension of these preliminary studies to 2D problem is presented. In particular a new type of enrichment functions is proposed in order to treat accurately Dirichlet boundary conditions on the interface.
Disciplines :
Aerospace & aeronautics engineering
Author, co-author :
Rochus, Véronique ;  Delft University of Technology > Faculty 3mE, Dpt. of Precision and Microsystems Engineering > Engineering Dynamics
Rixen, Daniel;  Delft University of Technology > Faculty 3mE, Dpt. of Precision and Microsystems Engineering > Engineering Dynamics
Van Miegroet, Laurent ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Ingénierie des véhicules terrestres
Duysinx, Pierre  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Ingénierie des véhicules terrestres
Language :
English
Title :
Electrostatic Simulation using XFEM for Conductor and Dielectric Interfaces
Publication date :
2011
Journal title :
International Journal for Numerical Methods in Engineering
ISSN :
0029-5981
eISSN :
1097-0207
Publisher :
John Wiley & Sons, Inc, Chichester, United Kingdom
Volume :
85
Issue :
10
Pages :
1207–1226
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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