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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 The information provided may be out of date.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 cut a geometry

Posted Jul 12, 2013, 7:31 a.m. EDT Low-Frequency Electromagnetics, Geometry Version 4.2 3 Replies

Dimitris Oikonomou
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Hello,
I have a 3D geometry and I need to cut half of it to create a symmetry plane.
Can you please describe the steps.
Thanks.
Regards,
Dimitris
3 Replies Last Post Aug 23, 2013, 2:39 a.m. EDT
Josh Thomas Certified Consultant
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Posted: 1 decade ago Jul 12, 2013, 8:39 a.m. EDT
Dimitris,

If you are using v4.3b the steps have been simplified a bit from previous versions.

Simply define a work plane that slices your geometry across the symmetry plane: (Right-click on Geometry and select Work Plane.)

Then, partition. (Right-click on Geometry and select Boolean Operations>Partition)

Add the object to partition to the list. Then select to "Partition with:" Work Plane and select your work plane.

(You can then use a Delete Entities operation to delete half your geometry if desired.)

Best regards,
Josh Thomas
AltaSim Technologies

Dimitris, If you are using v4.3b the steps have been simplified a bit from previous versions. Simply define a work plane that slices your geometry across the symmetry plane: (Right-click on Geometry and select Work Plane.) Then, partition. (Right-click on Geometry and select Boolean Operations>Partition) Add the object to partition to the list. Then select to "Partition with:" Work Plane and select your work plane. (You can then use a Delete Entities operation to delete half your geometry if desired.) Best regards, Josh Thomas AltaSim Technologies
Golam Kibria
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Posted: 1 decade ago Aug 22, 2013, 4:59 a.m. EDT
how can we cut geometry in version 4.2
how can we cut geometry in version 4.2
Lasse Murtomäki
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Posted: 1 decade ago Aug 23, 2013, 2:39 a.m. EDT
Add a block and subtract it from your geometry. Then use symmetry boundary condition on the intersection.
Add a block and subtract it from your geometry. Then use symmetry boundary condition on the intersection.

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