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Improvement of Pull-in Voltage of Electromechanical Microbeams Using Topology Optimization
Lemaire, Etienne; Duysinx, Pierre; Rochus, Véronique et al.
2006In 3rd European Conference on Computational Mechanics (ECCM)
 

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Keywords :
Topology optimization; Multiphysic simulation; Monlithic modeling; Pull-in instability
Abstract :
[en] The present work is dedicated to the application of topology optimization in the coupled simulation of multiphysic field problems as in MEMS. Precisely, it describes how it is possible to maximize pull-in voltage of an electromechanical microsystem for which the optimization domain is insulated from the electric field. The electromechanical coupling is modeled by the use of a monolithic analysis. The monolithic modeling combined with a Riks-Crisfield algorithm allows computing accurately the pull-in conditions. The optimization task is completed with the help of a sequential convex linear approximation schemes (CONLIN).
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Mechanical engineering
Electrical & electronics engineering
Author, co-author :
Lemaire, Etienne ;  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
Rochus, Véronique ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS - Vibrations et identification des structures
Golinval, Jean-Claude  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS - Vibrations et identification des structures
Language :
English
Title :
Improvement of Pull-in Voltage of Electromechanical Microbeams Using Topology Optimization
Publication date :
2006
Event name :
3rd European Conference on Computational Mechanics (ECCM)
Event organizer :
ECCOMAS
Event place :
Lisbon, Portugal
Event date :
5-9 Juin 2006
Audience :
International
Main work title :
3rd European Conference on Computational Mechanics (ECCM)
Name of the research project :
ARC03/08-298 "Modeling, Multiphysics Simulation and Optimization of Coupled Problems - Application to Micro Electro-Mechanical Systems"
Funders :
FWB - Fédération Wallonie-Bruxelles [BE]
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since 16 July 2009

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