Title :
A computationally efficient air-gap element for 2-D FE machine models
Author :
Gersem, Herbert De ; Weiland, Thomas
Author_Institution :
Inst. fur Theorie Elektromagnetischer Felder, Technische Univ. Darmstadt, Germany
fDate :
5/1/2005 12:00:00 AM
Abstract :
A reformulation of the air-gap macroelement enables the application of the fast Fourier transform algorithm and leads to an improved computational efficiency when a specialized iterative solver is applied.
Keywords :
air gaps; fast Fourier transforms; finite element analysis; iterative methods; mechanical engineering computing; 2D FE machine models; air-gap macroelement; coupled problems; fast Fourier transform; finite element methods; improved computational efficiency; rotating machines; specialized iterative solver; time integration; Air gaps; Fast Fourier transforms; Finite element methods; Iron; Magnetic analysis; Magnetic fields; Shape; Sparse matrices; Stators; Vectors; Coupled problems; Fourier transforms; finite element methods; rotating machines; time integration;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2005.846498
