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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 The information provided may be out of date.

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About creation of struturegeomerty

Posted Feb 21, 2013, 1:24 a.m. EST Low-Frequency Electromagnetics, MEMS & Nanotechnology, RF & Microwave Engineering, MEMS & Piezoelectric Devices, Geometry, Materials Version 4.0a, Version 4.1, Version 4.2 5 Replies

Umesh Yadav.
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Hi...!
I am a student of University of Pune,working on Rf MEMS Switch. I can't get how to create a structural geometry of cantilever beam in Com sol multiphysics.
So please help me to create a geometry.

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uhyadav
5 Replies Last Post Apr 16, 2013, 5:58 a.m. EDT
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago Feb 21, 2013, 1:54 a.m. EST
Hi

if you are stating with COMSOL, I can only recommend to start in 2D, then later move to 3D once your model is running, particularly when mixing several physics. For a cantilever you draw it simply with a rectangle (I suggest to split in two by the middle with a geometry layer setting at half the height to force 2 mes elements per thickness, minimum), then fix one end and run i.e. an eigenfrequency study

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Good luck
Ivar
Hi if you are stating with COMSOL, I can only recommend to start in 2D, then later move to 3D once your model is running, particularly when mixing several physics. For a cantilever you draw it simply with a rectangle (I suggest to split in two by the middle with a geometry layer setting at half the height to force 2 mes elements per thickness, minimum), then fix one end and run i.e. an eigenfrequency study -- Good luck Ivar
Umesh Yadav.
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Posted: 1 decade ago Feb 27, 2013, 12:02 a.m. EST

Thank you very much for your valuable help.
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uhyadav
Thank you very much for your valuable help. -- uhyadav
Umesh Yadav.
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Posted: 1 decade ago Apr 9, 2013, 2:56 a.m. EDT
I have problem with how to analyses the various physics for RF MEMS switch.

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uhyadav
I have problem with how to analyses the various physics for RF MEMS switch. -- uhyadav
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago Apr 9, 2013, 2:24 p.m. EDT
Hi

you need to explain a bit more for us out here to understand, have you looked at the different webinars videos on the main COMSOL site ? such as

www.comsol.eu/video/

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Good luck
Ivar
Hi you need to explain a bit more for us out here to understand, have you looked at the different webinars videos on the main COMSOL site ? such as http://www.comsol.eu/video/ -- Good luck Ivar
Umesh Yadav.
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Posted: 1 decade ago Apr 16, 2013, 5:58 a.m. EDT

This my .mpd file using comsol4.1,please help me for adding physics for simulation of this geometry. For this use electrostatics as a physics.
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uhyadav
This my .mpd file using comsol4.1,please help me for adding physics for simulation of this geometry. For this use electrostatics as a physics. -- uhyadav

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