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Applying an AC external current density through a 3D coil
Posted Jan 28, 2010, 12:24 p.m. EST 1 Reply
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Dear all,
I would like to apply a time-harmonic AC current density through a coil, preferable in the formula of sin(wt+a).
Since my coil is round, the magnitude can be easily computed in the subdomain area with Jx = J_0*y/sqrt(x^2+y^2), Jy=...
I was wondering how you can define this time dependent current density function in the sub-domain section.
Since I have made my coil in 3D, I should use Quasi-statics magnetic for Time-harmonic and transient analysis ?
I would like to apply a time-harmonic AC current density through a coil, preferable in the formula of sin(wt+a).
Since my coil is round, the magnitude can be easily computed in the subdomain area with Jx = J_0*y/sqrt(x^2+y^2), Jy=...
I was wondering how you can define this time dependent current density function in the sub-domain section.
Since I have made my coil in 3D, I should use Quasi-statics magnetic for Time-harmonic and transient analysis ?
1 Reply Last Post Jan 29, 2010, 2:31 a.m. EST
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Posted:
1 decade ago
Hi
from my understanding "t" is only by default defined in "transient" mode, otherwise you must include it as a "param" by hand and check that the global formulas remain correct for your case.
When you have steady state harmonic continuous loads, I would seriously consider "harmonic" mode and work in the frequency domain, with the corresponding equation formulations, no ?
Good luck
Ivar
from my understanding "t" is only by default defined in "transient" mode, otherwise you must include it as a "param" by hand and check that the global formulas remain correct for your case.
When you have steady state harmonic continuous loads, I would seriously consider "harmonic" mode and work in the frequency domain, with the corresponding equation formulations, no ?
Good luck
Ivar