NDLI: A finite element model for coupled 3D transient electromagnetic and structural dynamics problems

Content Provider	Springer Nature Link
Author	Guo, Shu Ghosh, Somnath
Copyright Year	2014
Abstract	This paper develops a framework for coupling transient electromagnetic (EM) and dynamic mechanical (ME) fields to predict the evolution of electrical and magnetic fields and their fluxes in a vibrating substrate undergoing finite deformation. To achieve coupling between fields the governing equations are solved in the time domain. A Lagrangian description is invoked, in which the coupling scheme maps Maxwell’s equations from spatial to material coordinates in the reference configuration. Physical variables in the Maxwell’s equations are written in terms of a scalar potential and vector potentials. Non-uniqueness in the reduced set of equations is overcome through the introduction of a gauge condition. Selected features of the code are validated using existing solutions in the literature, as well as comparison with results of simulations with commercial software. Subsequently, two coupled simulations featuring EM fields excited by steady-state and transient electric current source in dynamically vibrating conducting media are studied.
Starting Page	407
Ending Page	424
Page Count	18
File Format	PDF
ISSN	01787675
Journal	Computational Mechanics
Volume Number	54
Issue Number	2
e-ISSN	14320924
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-02-21
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Coupled multiphysics Dynamic finite deformation Transient electromagnetic Time-domain finite element method Theoretical and Applied Mechanics Computational Science and Engineering Classical Continuum Physics
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Ocean Engineering Computational Theory and Mathematics Mechanical Engineering Computational Mechanics Computational Mathematics

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