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How severe will meshing break symmetry?

Posted 3 oct. 2015, 12:04 UTC−4 RF & Microwave Engineering, Wave Optics, Mesh, Modeling Tools & Definitions, Parameters, Variables, & Functions Version 5.0 1 Reply

Yi Yang
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Hi,

I have a question regarding meshing. My model has a continuous axial rotational symmetry. If I mesh the system, however, the meshing does not hold such a symmetry.

How severe does meshing break such symmetry? Can I impose an axial rotation symmetry in COMSOL? If not, is there anything I can do to minimize the errors induced by rotational asymmetric meshing?

Thanks in advance,

Yi
1 Reply Last Post 23 oct. 2015, 10:12 UTC−4
Robert Koslover Certified Consultant
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Posted: 9 years ago 23 oct. 2015, 10:12 UTC−4
The easiest way to impose axial symmetry is to build a 2D-axisym model. You simply don't need a 3D model to represent a physics problem with axial symmetry.
The easiest way to impose axial symmetry is to build a 2D-axisym model. You simply don't need a 3D model to represent a physics problem with axial symmetry.

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