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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 The information provided may be out of date.

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problem meshing thin layers

Posted Sep 16, 2013, 3:32 p.m. EDT MEMS & Nanotechnology, MEMS & Piezoelectric Devices, Mesh, Structural Mechanics Version 4.2a, Version 4.3, Version 4.3a, Version 4.3b 4 Replies

Fnu Mohammed Taqiuddin
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Dear All,

I have trouble meshing my geometry(attached).
My geometry consists of very thin layers(0.1mm). After reading some discussions i tried many options like giving small element size(0.05mm),......, and dividing my geometry into parts even that didn't helped.

i would appreciate any help or any suggestions.
Thanks.
Mohammed.
4 Replies Last Post Jun 28, 2014, 8:35 p.m. EDT
Hans Parmentier
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Posted: 1 decade ago Sep 17, 2013, 3:49 a.m. EDT
Do you need to have them in 3D or can a line be a solution?

sometimes comsol has a work around like thin conductive layers (which is meshed as a line but having a thickness parameter inside)
Do you need to have them in 3D or can a line be a solution? sometimes comsol has a work around like thin conductive layers (which is meshed as a line but having a thickness parameter inside)
Fnu Mohammed Taqiuddin
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Posted: 1 decade ago Sep 17, 2013, 10:03 a.m. EDT
Hi, Hans
Thanks for the reply.
I am a new user of COMSOL.
My geometry consists of a wing with PZT patches(Morphing wing). I will be using piezoelectric module and then using its results i will have a flow analysis also.So i am not sure if i can proceed that way.If you have any idea please let me know.
I tried to attach my .mph file but due to file size restriction i am unable to attach it.If you can provide me your email i will forward my .mph file so that you can have a look and can suggest me.
many thanks.
mohammed.
Hi, Hans Thanks for the reply. I am a new user of COMSOL. My geometry consists of a wing with PZT patches(Morphing wing). I will be using piezoelectric module and then using its results i will have a flow analysis also.So i am not sure if i can proceed that way.If you have any idea please let me know. I tried to attach my .mph file but due to file size restriction i am unable to attach it.If you can provide me your email i will forward my .mph file so that you can have a look and can suggest me. many thanks. mohammed.
Karan Bikkannavar
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Posted: 1 decade ago Jun 26, 2014, 5:17 p.m. EDT
Hi,

Did you create the geometry in COMSOL or imported it from CAD? Just curious, as I am working on similar model. :)
Hi, Did you create the geometry in COMSOL or imported it from CAD? Just curious, as I am working on similar model. :)
Lokesh Patil
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Posted: 1 decade ago Jun 28, 2014, 8:35 p.m. EDT

Dear All,

I have trouble meshing my geometry(attached).
My geometry consists of very thin layers(0.1mm). After reading some discussions i tried many options like giving small element size(0.05mm),......, and dividing my geometry into parts even that didn't helped.

i would appreciate any help or any suggestions.
Thanks.
Mohammed.


maybe this would help

www.comsol.com/support/knowledgebase/120/
[QUOTE] Dear All, I have trouble meshing my geometry(attached). My geometry consists of very thin layers(0.1mm). After reading some discussions i tried many options like giving small element size(0.05mm),......, and dividing my geometry into parts even that didn't helped. i would appreciate any help or any suggestions. Thanks. Mohammed. [/QUOTE] maybe this would help http://www.comsol.com/support/knowledgebase/120/

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