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How to extrude an imported 2D .dxf file in COMSOL

Posted 05.05.2021, 17:07 GMT-4 Electromagnetics, Microfluidics, Geometry Version 5.6 2 Replies

Koorosh Esteki
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Hello Everyone,

I have a generated 2d image which is converted to dxf file. It can be easily imported and recognizied all the edges and points. But I like to convert to 3d by extruding it. Is there any way to convert it to cylindrical cross section and rectangular cross section. I have attached the model. Any help please? Thank you!

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2 Replies Last Post 06.05.2021, 13:02 GMT-4
Robert Koslover Certified Consultant
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Posted: 4 years ago 05.05.2021, 22:19 GMT-4

You've imported your 2D file into your 3D geometry. It is apparently a set of lines, without surfaces. And it is not actually "in" the workplane you then created afterward. I suggest you instead import your 2D file directly into the workplane of interest (the software will let you do that; try it.) You also need to form surfaces to extrude, or else you will extrude a frame, not a volume. I suggest you try that and see if you can figure out the rest. If not, see how far you can get and repost your model.

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Scientific Applications & Research Associates (SARA) Inc.
www.comsol.com/partners-consultants/certified-consultants/sara
You've imported your 2D file into your 3D geometry. It is apparently a set of lines, without surfaces. And it is not actually "in" the workplane you then created afterward. I suggest you instead import your 2D file directly into the workplane of interest (the software will let you do that; try it.) You also need to form surfaces to extrude, or else you will extrude a frame, not a volume. I suggest you try that and see if you can figure out the rest. If not, see how far you can get and repost your model.
Koorosh Esteki
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Posted: 4 years ago 06.05.2021, 13:02 GMT-4

Thank you for your reply. You are correct it has to be 2d surface inorder to extrude which I ignored. I fix this issue by using SolidWorks CAD design.

Thank you for your reply. You are correct it has to be 2d surface inorder to extrude which I ignored. I fix this issue by using SolidWorks CAD design.

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