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Centroid/Center of mass

Posted 17 juil. 2013, 13:52 UTC−4 Low-Frequency Electromagnetics, Geometry Version 4.3b, Version 5.0 1 Reply

Agam Mittal
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Hi,

We have a geometry which has lots of domains and we need to assign different material properties in an automated fashion to all the domains (using a script in MATLAB). Furthermore, the material properties depend on the location of the domain (this dependency cannot be described as a function). This mapping between the location and material property is available as a data file.

I have a COMSOL geometry composed of many different domains, each acting as an individual "grain" structure in a metal. I would like to find the centroid of each individual domain. I could find the centroid of the whole geometry numerically using MATLAB commands, but I need to find the centroid of each domain. Actually, as long as I can somehow retrieve the coordinates of ANY point in each domain, it would suffice. Is there a way to do this?
1 Reply Last Post 3 juil. 2015, 22:10 UTC−4
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Hello Agam Mittal

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Onyekachukwu Nnodim
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Posted: 9 years ago 3 juil. 2015, 22:10 UTC−4
Hi,

Did you eventually figure a way to find the centre of mass of each domain in the geometry?

Kindly reply

Thanks


Hi,

We have a geometry which has lots of domains and we need to assign different material properties in an automated fashion to all the domains (using a script in MATLAB). Furthermore, the material properties depend on the location of the domain (this dependency cannot be described as a function). This mapping between the location and material property is available as a data file.

I have a COMSOL geometry composed of many different domains, each acting as an individual "grain" structure in a metal. I would like to find the centroid of each individual domain. I could find the centroid of the whole geometry numerically using MATLAB commands, but I need to find the centroid of each domain. Actually, as long as I can somehow retrieve the coordinates of ANY point in each domain, it would suffice. Is there a way to do this?


Hi, Did you eventually figure a way to find the centre of mass of each domain in the geometry? Kindly reply Thanks [QUOTE] Hi, We have a geometry which has lots of domains and we need to assign different material properties in an automated fashion to all the domains (using a script in MATLAB). Furthermore, the material properties depend on the location of the domain (this dependency cannot be described as a function). This mapping between the location and material property is available as a data file. I have a COMSOL geometry composed of many different domains, each acting as an individual "grain" structure in a metal. I would like to find the centroid of each individual domain. I could find the centroid of the whole geometry numerically using MATLAB commands, but I need to find the centroid of each domain. Actually, as long as I can somehow retrieve the coordinates of ANY point in each domain, it would suffice. Is there a way to do this? [/QUOTE]

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