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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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Error in 4.1

Posted 2010年12月13日 GMT-5 09:36 RF & Microwave Engineering Version 4.1 5 Replies

Gayathri M Sridharan
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Hi,

I am facing a difficulty with comsol 4.1. In the post processing, 1-D plot, the attached error occurs. It is a simple air-glass interface 2-D model for TE polarisation plane wave and oblique incidence.

Model: RF-->emw
Study: Frequency Domain
[ I am unable to attach the .mph file.]

The error does not occur when I select the interface. However, the source line where I have the excitation specified seems to have the problem and this occurs especially when I have the parametric sweep. Strange enough, comsol doesn't have this problem when I have a single angle in the parameter file. Comsol doesn't have problem with 2 D plot either.

Please correct where I may be going wrong.

Regards,
Gayathri
5 Replies Last Post 2010年12月21日 GMT-5 00:25
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 2010年12月13日 GMT-5 16:13
Hi

I havent experienced that error before, ad do not know what it means, "support" will probably tell you, but they would need the model to understand it corretly, I expect

--
Good luck
Ivar
Hi I havent experienced that error before, ad do not know what it means, "support" will probably tell you, but they would need the model to understand it corretly, I expect -- Good luck Ivar
Gayathri M Sridharan
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Posted: 1 decade ago 2010年12月14日 GMT-5 08:07
Thank you Ivar.
I have posted the same to the support.
Regards,
Gayathri M S
Thank you Ivar. I have posted the same to the support. Regards, Gayathri M S
Gayathri M Sridharan
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Posted: 1 decade ago 2010年12月20日 GMT-5 00:57
Hi,

FYI.
As per the suggestion of the Support, the error got resolved when I set the "x-axis data" from the default "Arc-length" to coordinate x.
However I am not sure why arc-length is a problem while x- is not for that particular edge (excitation edge)?

Regards,
Gayathri M S
Hi, FYI. As per the suggestion of the Support, the error got resolved when I set the "x-axis data" from the default "Arc-length" to coordinate x. However I am not sure why arc-length is a problem while x- is not for that particular edge (excitation edge)? Regards, Gayathri M S
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 2010年12月20日 GMT-5 07:06
Hi

a plot along an edge uses the arc length ("s" variable going from 0 to 1) by default. But if you select several edges each one is normalised from 0 to 1 and often in different direction.
So its always better to write out fully the "x" axis of a 2D line plot

--
Good luck
Ivar
Hi a plot along an edge uses the arc length ("s" variable going from 0 to 1) by default. But if you select several edges each one is normalised from 0 to 1 and often in different direction. So its always better to write out fully the "x" axis of a 2D line plot -- Good luck Ivar
Gayathri M Sridharan
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Posted: 1 decade ago 2010年12月21日 GMT-5 00:25
Thank you Ivar.
Thank you Ivar.

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