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no mesh on domain

Posted 21 janv. 2016, 05:45 UTC−5 8 Replies

Hung Pham Manh
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Hello,
i have a problem. i wanna compute my 3D object, but there is an error /warnings

warning:
No mesh on domains 1 3 5 7
in geometry 1, mesh case 0.
No mesh on domains 2 6
in geometry 1, mesh case 0.
No mesh on domain 4
in geometry 1, mesh case 0.
Not all domains are meshed.

Error:
Failed to find a solution.
System matrix is zero.
Returned solution is not converged.


8 Replies Last Post 25 janv. 2016, 06:02 UTC−5
Jeff Hiller COMSOL Employee

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Posted: 10 years ago 21 janv. 2016, 07:58 UTC−5
The error message suggests that some domains in your geometry are not meshed.
I've seen it a few times that a user will mesh the faces of a domain (with triangles or quads) instead of meshing the domain itself (with tets or bricks or prisms). Perhaps that's what's going on with your model?
Jeff
The error message suggests that some domains in your geometry are not meshed. I've seen it a few times that a user will mesh the faces of a domain (with triangles or quads) instead of meshing the domain itself (with tets or bricks or prisms). Perhaps that's what's going on with your model? Jeff
Hung Pham Manh
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Posted: 10 years ago 21 janv. 2016, 08:19 UTC−5
Before i click the button compute , i click meshing and there is noch problem or warnings. how can i fix that?
Before i click the button compute , i click meshing and there is noch problem or warnings. how can i fix that?
Jeff Hiller COMSOL Employee

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Posted: 10 years ago 21 janv. 2016, 08:54 UTC−5
Please post your .mph file.
Best,
Jeff
Please post your .mph file. Best, Jeff
Hung Pham Manh
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Posted: 10 years ago 21 janv. 2016, 09:04 UTC−5
how can i attach file?
the button didnt work
how can i attach file? the button didnt work
Jeff Hiller COMSOL Employee

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Posted: 10 years ago 21 janv. 2016, 09:23 UTC−5
Perhaps your file is too large. Use "Clear all meshes" and "Clear all solutions", then save as, and try attaching that smaller file to this thread.
Best,
Jeff
Perhaps your file is too large. Use "Clear all meshes" and "Clear all solutions", then save as, and try attaching that smaller file to this thread. Best, Jeff
Hung Pham Manh
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Posted: 10 years ago 22 janv. 2016, 04:07 UTC−5
PNG didnt work.
Which format can i use?
i wanna try a screenshot first
PNG didnt work. Which format can i use? i wanna try a screenshot first
Jeff Hiller COMSOL Employee

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Posted: 10 years ago 22 janv. 2016, 08:23 UTC−5
I meant the .mph file. Screenshots are rarely useful in figuring out what's wrong in a model.
Jeff
I meant the .mph file. Screenshots are rarely useful in figuring out what's wrong in a model. Jeff
Hung Pham Manh
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Posted: 10 years ago 25 janv. 2016, 06:02 UTC−5
ok i got it
ok i got it

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