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How do i find the centre of mass in a circular shape on COMSOL?

Posted Jul 5, 2015, 4:16 a.m. EDT Low-Frequency Electromagnetics, Fluid & Heat, Interfacing, Geometry, Mesh Version 4.4, Version 5.0, Version 5.1 2 Replies

Onyekachukwu Nnodim
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Hi,

I have a circle of radius 40mm extruded to a height of 4mm and divided into 8 equal parts or domains.

1. How do I retrieve the (centre of mass) for this shape on COMSOL?

2. How do i know the x, y and z coordinates of any point in this shape on COMSOL?

Thanks
2 Replies Last Post Jul 6, 2015, 9:59 a.m. EDT
Daniel Smith COMSOL Employee

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Posted: 9 years ago Jul 6, 2015, 9:05 a.m. EDT
Hi Onyekachukwu, you can simply go to Component 1>Definitions>Mass Properties. This will add a feature which computes the mass, volume, center of mass and other variables for the domains or boundaries you select.
Hi Onyekachukwu, you can simply go to Component 1>Definitions>Mass Properties. This will add a feature which computes the mass, volume, center of mass and other variables for the domains or boundaries you select.
Onyekachukwu Nnodim
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Posted: 9 years ago Jul 6, 2015, 9:59 a.m. EDT
Dear Smith,

Thank you so much, this helped a lot but...

Attached is a picture of my model and those sensitive regions have coordinates;

1. I would like to know where to read the values of the centre of mass.

2 Also be able to read the x,y,z coordinates of those sensitive regions like the second photo attached.

Thanks tons.


Hi Onyekachukwu, you can simply go to Component 1>Definitions>Mass Properties. This will add a feature which computes the mass, volume, center of mass and other variables for the domains or boundaries you select.


Dear Smith, Thank you so much, this helped a lot but... Attached is a picture of my model and those sensitive regions have coordinates; 1. I would like to know where to read the values of the centre of mass. 2 Also be able to read the x,y,z coordinates of those sensitive regions like the second photo attached. Thanks tons. [QUOTE] Hi Onyekachukwu, you can simply go to Component 1>Definitions>Mass Properties. This will add a feature which computes the mass, volume, center of mass and other variables for the domains or boundaries you select. [/QUOTE]

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