
2D model of an electro-mechanical relay.

[[Category:GetDP]]
[[Category:Electromagnetism]]
[[Category:Mechanics]]

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2D model of a linear actuator

It comprises a yoke, two permanent magnets, two coils and a mover.
 The yoke and the mover are made of iron.
 Eddy currents in the magnets and in the laminated yoke and mover are neglected.
 The permanent magnets constitute a magnetic lock that keeps the mover either in the upper or
 lower position tending to diminish the residual airgap.
 The mover is moved down or up by applying a voltage pulse to one of the coils.
 The commutation is facilitated by two springs.

 Used in:
 R. V. Sabariego, J. Gyselinck, C. Geuzaine, P. Dular and W. Legros,
 "Application of the fast multipole method to the 2D finite element-boundary
 element analysis of electromechanical devices",
 COMPEL: The International Journal for Computation and Mathematics in Electrical and
 Electronic Engineering, 22(3):659-673, 2003.
 http://orbi.ulg.ac.be/handle/2268/22765

 R. V. Sabariego, "The fast multipole method for electromagnetic field computation
 in numerical and physical hybrid systems", Ph.D. thesis, University of Li\ège, 2004.
 http://hdl.handle.net/2268/2374

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