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Electric Currents, Single Layer Shell Works in 2D, but not 3D
Posted 2020年11月29日 GMT-5 19:07 Low-Frequency Electromagnetics, MEMS & Nanotechnology, Piezoelectric Devices, MEMS & Piezoelectric Devices Version 5.5 0 Replies
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I'm trying to calculate the EM force on a shelled object as a function of frequency. The primary physics is Electric Currents and I'm trying to use the Single Layer Shell physics to capture the effects of a thin layer around a spherical object that has a different permittivity and conductivity. I use the Force Calculation node combined with a line (2D) or surface (3D) integral to plot the EM force on the object as a function of frequency. To simplify the problem, I've started with a spherical model with symmetry that has a well known solution. I've obtained expected behavior using the following: * 2D Axisymmetric with the shell as part of the geometry (high resolution mesh required) * 2D Axisymmetric using the Electric Currents, Single Layer Shell * 3D with the shell as part of the geometry (required 64GB and ran for 6hrs, but matched expected behavior)
The problem is that when I attempt to use the Electric Currents, Single Layer Shell model, the low frequency characteristics are not observed in the resulting force calculation.
Thanks in advance!
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Hello Prof. H
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