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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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COMSOL 4.3b crashes suddenly

Posted 6 févr. 2014, 23:31 UTC−5 Version 4.3b 4 Replies

John Oxaal
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Hello all,

I've been using the software without problem for about a week. Recently a model I was running (using solid mechanics physics) was taking too long because I had too fine a mesh. I tried canceling the simulation, but the software froze up. Eventually it closed after being unresponsive.

Now, for some reason, comsol crashes very suddenly and without an error message every time I open it. I cannot go more than a few minutes of starting a new model, or tweaking and old one, before the software abruptly closes. Crashing seems to occur after pressing a button to build/render/save or anything else.

I read on this forum that it might be a hardware issue with my RAM. I performed a full scan with windows memory diagnostics tool and everything came out clean. Does anyone have another ideas? The software is totally crippled right now.
4 Replies Last Post 12 juil. 2016, 09:05 UTC−4
Lasse Murtomäki
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Posted: 1 decade ago 7 févr. 2014, 02:25 UTC−5
Hi

I used to have this problem due to graphics. I was told to change OpenGL to DirectX9. It helped for me, at least.

Lasse
Hi I used to have this problem due to graphics. I was told to change OpenGL to DirectX9. It helped for me, at least. Lasse
John Oxaal
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Posted: 1 decade ago 7 févr. 2014, 09:27 UTC−5
Switched graphics from OpenGL to DirectX9 first thing this morning and so far so good.

Thanks
Switched graphics from OpenGL to DirectX9 first thing this morning and so far so good. Thanks
Gulsah Yildiz
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Posted: 8 years ago 12 juil. 2016, 08:46 UTC−4
I have the same problem with 4.2a. How can I switch the graphics? Thanks in advance


Switched graphics from OpenGL to DirectX9 first thing this morning and so far so good.

Thanks


I have the same problem with 4.2a. How can I switch the graphics? Thanks in advance [QUOTE] Switched graphics from OpenGL to DirectX9 first thing this morning and so far so good. Thanks [/QUOTE]
Jeff Hiller COMSOL Employee

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Posted: 8 years ago 12 juil. 2016, 09:05 UTC−4
Hello Gulsah,
It's under File > Preferences, see www.comsol.com/support/knowledgebase/933/ .
Best regards,
Jeff
Hello Gulsah, It's under File > Preferences, see https://www.comsol.com/support/knowledgebase/933/ . Best regards, Jeff

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