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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 The information provided may be out of date.

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How to combine PML and Port together By Comsol 4.3

Posted 2013年6月12日 GMT-4 19:34 RF & Microwave Engineering Version 4.3, Version 4.4 2 Replies

Yan Guan
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Hi,

I am simulating the surface plasmon resonance. I use pot to set the incident TM plane wave. It looks that there is still some reflection from my port boundary. I want to add a PML to absorb the light. It seems that Comsol 4.3 doesn't support it. Is there any way I can solve this problem? Any other better solution for this?

Thank you very much for your help.

Best,
Yan
2 Replies Last Post 2014年10月28日 GMT-4 12:48
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Hello Yan Guan

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If you do not hold an on-subscription license, you may find an answer in another Discussion or in the Knowledge Base.

Jia Tan
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Posted: 1 decade ago 2014年1月6日 GMT-5 00:36
I have the same question. Could anyone provide a solution to this? Many thanks!
I have the same question. Could anyone provide a solution to this? Many thanks!
Marvin Farrell
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Posted: 1 decade ago 2014年10月28日 GMT-4 12:48
Hi, I am confused by this combination as well. It is very easy for any fdtd algorithm.

Comsol 4.4 seems that it will support the combination of PML and Port.
see link:
www.comsol.com/model/download/186491/models.rf.frequency_selective_surface_csrr.pdf

I build a simple model based on the idea from the linked provided, however, the results are very strange.
So at this stage I am still confusing about how to combine PML and Port.



Hi, I am confused by this combination as well. It is very easy for any fdtd algorithm. Comsol 4.4 seems that it will support the combination of PML and Port. see link: http://www.comsol.com/model/download/186491/models.rf.frequency_selective_surface_csrr.pdf I build a simple model based on the idea from the linked provided, however, the results are very strange. So at this stage I am still confusing about how to combine PML and Port.

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