how to change the dimension of sidesets？ #20080
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hello， |
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Replies: 5 comments 6 replies
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Hello I have not done or tested this before, but you should be able to create a 2D sideset from 2D block, at least for the sideset generators where this makes sense. If not, then it's a feature we should make sure to support. Please let us know how this goes, |
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Yes, only 2D blocks can be used to create 2D sidesets. At present, I have obtained such a 2D block through LowerDBlockFromSidesetGenerator. I would like to know if I can use this 2D plane block to turn it into a sideset. Searched almost all meshgenerator resources, I didn't find a suitable way. |
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Ok just to be absolutely sure, it is '2D sideset' as in a 'sideset of a 2D block', so really a sideset made of 1D elements. Can you use this one for example? |
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I have tried using this type on my 2D block, and it resulted in the bounding of the 2d face. So if you use a rectangle block, the resulting sidesets are the four sides of the rectangle.
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…------------------ Original ------------------
From: Guillaume Giudicelli ***@***.***>
Date: Wed,Jan 19,2022 11:03 PM
To: idaholab/moose ***@***.***>
Cc: amosaha ***@***.***>, Author ***@***.***>
Subject: Re: [idaholab/moose] how to change the dimension of sidesets？ (Discussion #20080)
Ok just to be absolutely sure, it is '2D sideset' as in a 'sideset of a 2D block', so really a sideset made of 1D elements.
Can you use this one for example?
https://mooseframework.inl.gov/source/meshgenerators/SideSetsAroundSubdomainGenerator.html
With the block argument set to the 2D block you extracted ?
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Isnt that what you want? |
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No, I want the sidesets of the whole plane.
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…------------------ Original ------------------
From: Guillaume Giudicelli ***@***.***>
Date: Wed,Jan 19,2022 11:36 PM
To: idaholab/moose ***@***.***>
Cc: amosaha ***@***.***>, Author ***@***.***>
Subject: Re: [idaholab/moose] how to change the dimension of sidesets？ (Discussion #20080)
Isnt that what you want?
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so you want a 2D surface? |
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I want a 2d surface as the sidesets.
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…------------------ Original ------------------
From: Guillaume Giudicelli ***@***.***>
Date: Thu,Jan 20,2022 8:34 AM
To: idaholab/moose ***@***.***>
Cc: amosaha ***@***.***>, Author ***@***.***>
Subject: Re: [idaholab/moose] how to change the dimension of sidesets？ (Discussion #20080)
so you want a 2D surface?
Or you want all the 1D elements in the 2D block?
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the use the sideset generators on the 3D mesh directly, not the lowerDblock...generator |
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But the sidesets I get directly using 3D block are not really 2D faces, just an index of a 3D block.
发自我的iPhone
…------------------ Original ------------------
From: Guillaume Giudicelli ***@***.***>
Date: Thu,Jan 20,2022 9:00 AM
To: idaholab/moose ***@***.***>
Cc: amosaha ***@***.***>, Author ***@***.***>
Subject: Re: [idaholab/moose] how to change the dimension of sidesets？ (Discussion #20080)
the use the sideset generators on the 3D mesh directly, not the lowerDblock...generator
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not sure what you mean by an index of a 3D block. |
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Hello
I have not done or tested this before, but you should be able to create a 2D sideset from 2D block, at least for the sideset generators where this makes sense. If not, then it's a feature we should make sure to support.
Just use whichever sideset generator you are wanting to use with the 2D block as the argument.
Please let us know how this goes,
Guillaume