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Trimmed cell mesher coordinate system

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Old   September 20, 2016, 17:47
Default Trimmed cell mesher coordinate system
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Hello.
I am trying to create a 3D mesh where the overall volume of fluid is meshed with the trimmed cell mesher with respect to the 'laboratory' coordinate system, and a (body) surface in the fluid is meshed with the trimmed cell mesher with respect to a 'local' coordinate system.

Do I need to divide the fluid and surface into different parts/regions, or can I leave them as one part and customize the surface by assigning a separate coordinate system to the control surface?

Thank you.
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Old   September 21, 2016, 01:29
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Gajendra Gulgulia
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Hi,

you have to use the method you described in the second of the two options.

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Old   September 21, 2016, 10:31
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Quote:
Originally Posted by ggulgulia View Post
Hi,

you have to use the method you described in the second of the two options.

Regards
Thanks for the reply!
I've tried the second option, but can't find a way to assign a local coordinate to the custom control(or surface control).
Could you please show me how I can do this?
Thanks again.
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Old   September 22, 2016, 08:20
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Hi,
Sure i can help you.

First create the local coordinate system. Go to Tools->Coordinate System->Laboratory->local coordinate system-> Right click and create new coordinate system

Next you need to assign this coordinate system to the Trimmer Mesh.
Go to the trimmer mesh continua. Under the property tree you can assign the desired coordinate system.

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Old   September 22, 2016, 18:39
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Thanks again, for the reply.
I have used Automated Mesh/Trimmed Cell Mesher under Geometry.
The coor sys for the Trimmed Cell Mesher is set to Laboratory.
I'd like to set the Custom Controls/Surface Control to local coord sys, but there doesn't seem to be an option.
In other words, I don't think I can set a different coor sys for a surface control. I believe it will be the same for the trimmer mesh under Continua.

Am I right?
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Old   September 22, 2016, 21:21
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No, only one coordinate system can be specified for the entire mesh operation.
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