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Importing geometry coordinates from MATLAB to COMSOL

Posted 9 mai 2022, 03:15 UTC−4 Electromagnetics, Low-Frequency Electromagnetics Version 5.5 2 Replies

Divya Prakash
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Hi, I have generated x and y coordinates in MATLAB for a square spiral coil, which is saved as a .txt file. I am having trouble importing the coordinates to COMSOL. 1) What type of file does COMSOL accept? 2) In which format should the coordinates be saved to be imported successfully?

Thanks in advance! Divya

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2 Replies Last Post 11 mai 2022, 00:31 UTC−4
Lars Gregersen COMSOL Employee

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Posted: 3 years ago 10 mai 2022, 02:39 UTC−4

Hi Divya

It depends.

If you just want to create a curve in 2D based on your coordinates then just insert a Polygon (listed under More Primitives). Choose the data source as File and select the Type as "Open curve".

The file formats that are supported by Comsol are described in the Programming Reference Manual in the section titled "The COMSOL File Formats". In addition Comsol is able to read a number of CAD file formats if you have the CAD Import Module or one of the LiveLink modules. You want to use the spreadsheet file format. I've attached a very simple file you can use as an example.

If you wish to create a more advanced geometry then we need more information.

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Lars Gregersen
Comsol Denmark
Hi Divya It depends. If you just want to create a curve in 2D based on your coordinates then just insert a Polygon (listed under More Primitives). Choose the data source as File and select the Type as "Open curve". The file formats that are supported by Comsol are described in the Programming Reference Manual in the section titled "The COMSOL File Formats". In addition Comsol is able to read a number of CAD file formats if you have the CAD Import Module or one of the LiveLink modules. You want to use the spreadsheet file format. I've attached a very simple file you can use as an example. If you wish to create a more advanced geometry then we need more information.

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Divya Prakash
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Posted: 3 years ago 11 mai 2022, 00:31 UTC−4

Thank you Lars!

I wanted to create a curve in 2D and it works. The reference txt file was helpful , I arranged my coordinate data in a spreadsheet format.

Thank you Lars! I wanted to create a curve in 2D and it works. The reference txt file was helpful , I arranged my coordinate data in a spreadsheet format.

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