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Scattering problems, background field

Posted 16.11.2015, 04:31 GMT-5 RF & Microwave Engineering 3 Replies

Eugene Cheypesh
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Hi!

Does anyone know how to define background filed ( in Ewfd, solve for scattered field) as an interpolated function from Comsol?
3 Replies Last Post 28.01.2016, 09:49 GMT-5
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Hello Eugene Cheypesh

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Alexander Shalin
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Posted: 9 years ago 28.01.2016, 08:37 GMT-5
Hi, Eugene!
Have you obtained a solution for this problem? I have the same.
Hi, Eugene! Have you obtained a solution for this problem? I have the same.
Eugene Cheypesh
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Posted: 9 years ago 28.01.2016, 08:46 GMT-5
Hi,

Partly yes.
You should export your data to file as a table. It can be done in "Export" ->"Data". Then if you need information about field, you choose it in "Expression".
Now you have files with tables with meanings of your field. By the way, you can wary the grid.

How to use it as background field: you should interpolate ypur tables. It can be done at
Global definitions-> functions->interpolation-> download from table

And now you can use your function as background field
Hi, Partly yes. You should export your data to file as a table. It can be done in "Export" ->"Data". Then if you need information about field, you choose it in "Expression". Now you have files with tables with meanings of your field. By the way, you can wary the grid. How to use it as background field: you should interpolate ypur tables. It can be done at Global definitions-> functions->interpolation-> download from table And now you can use your function as background field
Jeff Hiller COMSOL Employee

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Posted: 9 years ago 28.01.2016, 09:49 GMT-5
If a field is computed by COMSOL, it's both unnecessary and not a good idea to export it out and import it back in, for many reasons.
Please contact COMSOL's support team if you need assistance with this: www.comsol.com/support . They will be able to help with the best way to handle you particular case.
Jeff
If a field is computed by COMSOL, it's both unnecessary and not a good idea to export it out and import it back in, for many reasons. Please contact COMSOL's support team if you need assistance with this: http://www.comsol.com/support . They will be able to help with the best way to handle you particular case. Jeff

Note that while COMSOL employees may participate in the discussion forum, COMSOL® software users who are on-subscription should submit their questions via the Support Center for a more comprehensive response from the Technical Support team.

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