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Plot on certain domain or boundary only

Posted Jan 13, 2017, 2:42 a.m. EST Results & Visualization Version 5.2a 4 Replies

Khoa Phan
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I would like to ask how to plot quantity on the desired domain only. When I chose Surface plot or Volume plot, COMSOL always draws the quatitoes on every domain or boundary in the component. I can use multislice, but it is inconvenient because its just display on orthogonal plane.

Hope someone can hlep
4 Replies Last Post Jan 14, 2017, 6:44 a.m. EST
Henrik Sönnerlind COMSOL Employee

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Posted: 8 years ago Jan 13, 2017, 5:41 a.m. EST
Hi,

You can either add a Filter node to the plot, or a Selection node to the data set.

Regards,
Henrik
Hi, You can either add a Filter node to the plot, or a Selection node to the data set. Regards, Henrik
Khoa Phan
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Posted: 8 years ago Jan 13, 2017, 8:03 a.m. EST
Thanks very much for reply.

I add Selection node to the Data set. My plot now look very neat and tidy. But I can not add many Selection node. I want to draw electric field out side metal and current inside metal. is it possible?
Thanks very much for reply. I add Selection node to the Data set. My plot now look very neat and tidy. But I can not add many Selection node. I want to draw electric field out side metal and current inside metal. is it possible?
Henrik Sönnerlind COMSOL Employee

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Posted: 8 years ago Jan 13, 2017, 11:14 a.m. EST
Hi,

Solution 1: Copy the data set and use another selection on the copy. Use two plots with different data set selections in the same plot group.

Solution 2: Do not use the date set selection at all. Instead, use two plot nodes with different Filter subnodes. The syntax for using only say boundary 6 in a surface plot is 'dom==6' in the logical expression.

Regards,
Henrik
Hi, Solution 1: Copy the data set and use another selection on the copy. Use two plots with different data set selections in the same plot group. Solution 2: Do not use the date set selection at all. Instead, use two plot nodes with different Filter subnodes. The syntax for using only say boundary 6 in a surface plot is 'dom==6' in the logical expression. Regards, Henrik
Khoa Phan
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Posted: 8 years ago Jan 14, 2017, 6:44 a.m. EST
The second solution is very convenient. Thank you very much for your guide.
The second solution is very convenient. Thank you very much for your guide.

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