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2009-08-10
2-Dal Simulation of EM Fields Radiated by Rotating Cylinder Carrying Surface Currents Using Passing Center Swing Back Grids Technique
By
Progress In Electromagnetics Research Letters, Vol. 10, 115-124, 2009
Abstract
The passing center swing back grids (PCSBG) technique, in conjunction with the method of characteristics (MOC), was proposed to model electromagnetic problems featured with rotating objects. The drive of this proposal lays mainly on the fact that MOC defines all field components in the center of grid cell. Its practicability was validated by exhibiting the radiated EM fields from a rotating cylinder which carries surface currents with Gaussian profile and flowing in the axial direction. To clearly demonstrate that the cylinder is rotating and radiating EM fields simultaneously, the following arrangements were made. The cylinder may be equally sliced into an even number of segments that are with and without currents alternatively since a rotating circular cylinder yields no relativistic effects. The computational results showed that the radiated electromagnetic fields bear vortex structures as the cause of rotating cylinder, which serves as the evidences that PCSBG works properly.
Citation
Mingtsu Ho, "2-Dal Simulation of EM Fields Radiated by Rotating Cylinder Carrying Surface Currents Using Passing Center Swing Back Grids Technique," Progress In Electromagnetics Research Letters, Vol. 10, 115-124, 2009.
doi:10.2528/PIERL09070508
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