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mef.d variable AC DC module
Posted Jan 9, 2017, 4:12 p.m. EST Low-Frequency Electromagnetics, Parameters, Variables, & Functions Version 5.2a 2 Replies
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I've been working with mef physics in the AC/DC module lately, and I noticed a variable mef.d that I couldn't find a definition for. It's used in the weak expressions for Ampere's Law and current conservation, e.g.,
mef.d*(mef.Jx*test(Vx)+mef.Jy*test(Vy)+mef.Jz*test(Vz))
and
mef.d*(-mef.Hx*mef.testcurlAx-mef.Hy*mef.testcurlAy-mef.Hz*mef.testcurlAz+mef.Jx*test(mef.Adepx)+mef.Jy*test(mef.Adepy)+mef.Jz*test(mef.Adepz))
(see the leading factor out front). The fact it's preceded by a node call mef. and followed by an asterisk suggests to me that it's not the differentiation operator d( ).
The meaning of mef.d may be obvious to someone more familiar with the weak form derivations for these PDE's, but it escapes me. Anyone know what this variable is?
mef.d*(mef.Jx*test(Vx)+mef.Jy*test(Vy)+mef.Jz*test(Vz))
and
mef.d*(-mef.Hx*mef.testcurlAx-mef.Hy*mef.testcurlAy-mef.Hz*mef.testcurlAz+mef.Jx*test(mef.Adepx)+mef.Jy*test(mef.Adepy)+mef.Jz*test(mef.Adepz))
(see the leading factor out front). The fact it's preceded by a node call mef. and followed by an asterisk suggests to me that it's not the differentiation operator d( ).
The meaning of mef.d may be obvious to someone more familiar with the weak form derivations for these PDE's, but it escapes me. Anyone know what this variable is?
2 Replies Last Post Jan 10, 2017, 10:46 a.m. EST
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Posted:
8 years ago
Hi,
It is the out-of-plane thickness, defined in the Thickness section on the settings for Magnetic and Electric Fields.
A general method of finding a variable:
1. Press Ctrl-F, which brings up the search dialog.
2. Type in what you search for, here mef.d, and press Find.
3. In the Find Results tab, where the results of the search, you can double click an entry to get to the relevant node in the model tree (assuming that Equation View is on).
Regards,
Henrik
It is the out-of-plane thickness, defined in the Thickness section on the settings for Magnetic and Electric Fields.
A general method of finding a variable:
1. Press Ctrl-F, which brings up the search dialog.
2. Type in what you search for, here mef.d, and press Find.
3. In the Find Results tab, where the results of the search, you can double click an entry to get to the relevant node in the model tree (assuming that Equation View is on).
Regards,
Henrik
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Posted:
8 years ago
Thank you for your answer! And the general method you describe is most useful.