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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 The information provided may be out of date.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 access materials property variable using material switch node

Posted 2015年2月12日 GMT-5 06:44 Version 4.4 2 Replies

Hiroshi Yamashita
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Hello all.

I want to access materials property variable(Cp,rho etc) in physics node.
When I use (nomal) material node, I can access this syntax : "comp1.mat1.def.Cp" .
Then, how should I access these variables when I use "switch for materials" node?
Ofcourse I can access each materials property in "switch for materials" node lile "comp1.sw1.mat1.def.Cp" ,
but I want to access mat1.Cp and mat2.Cp uniformly even if materials was switched.

node structure is lile this.

Materials
L sw1
...L mat1
......L def
.........L Cp
...L mat2
......L def
.........L Cp

Best regards
Hiroshi Yamashita
2 Replies Last Post 2015年2月16日 GMT-5 00:00
Magnus Ringh COMSOL Employee

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Posted: 10 years ago 2015年2月12日 GMT-5 07:54
Hello,

I think that material.rho, for example, is what you are looking for. That set of variables (material.<property>) represents the current values of rho and other material properties for the active materials in the geometry.

Best regards,
Magnus Ringh, COMSOL

Hello, I think that material.rho, for example, is what you are looking for. That set of variables (material.) represents the current values of rho and other material properties for the active materials in the geometry. Best regards, Magnus Ringh, COMSOL
Hiroshi Yamashita
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Posted: 10 years ago 2015年2月16日 GMT-5 00:00
Thank you, Magnus Ringh, I was able to almost resolve by this way.
I was able to get materials property in "Output properties", but I havn't been able to get in "Local properties" yet.
These variables cannot get by using material.<variable> ?

Best regards,
Hiroshi Yamashita
Thank you, Magnus Ringh, I was able to almost resolve by this way. I was able to get materials property in "Output properties", but I havn't been able to get in "Local properties" yet. These variables cannot get by using material. ? Best regards, Hiroshi Yamashita

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