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Errors when using different ddt schemes in interFoam |
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August 11, 2020, 03:12 |
Errors when using different ddt schemes in interFoam
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#1 |
Senior Member
abdikerim kurbanaliev
Join Date: Jun 2010
Location: Kyrgyzstan, Osh
Posts: 121
Rep Power: 16 |
Dear Foamers,
In order to validate interFoam solver I have changed ddt schemes to from Euler to Euler1. As it is expected I got an error – unknown ddt scheme Euler1. At the same time, I have 8 valid ddt schemes. Than the using CoEuler, CrankNicolson, SLTS schemes give me an error like attempt to read beyond EOF. It happens despite the fact that it is semicolon at the end of this row. The backward scheme gives an error – only Euler and CrankNicolson ddt are supported. When I used bounded scheme an error was like Ddt scheme not specified. I used openFoam7 installed on Ubuntu 18.04.4 LTS. By the way the same situation with the OpenFoam6 installed on Ubuntu 16.04.4 LTS Would like someone help me to clarify this issue? Any kind of help is highly appreciated. Please see the attechments for more information. Kerim |
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August 12, 2020, 16:55 |
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#2 | |
Senior Member
Santiago Lopez Castano
Join Date: Nov 2012
Posts: 354
Rep Power: 16 |
Quote:
CrankNicolson needs the weight between explicit/implicit discretization. setting 0 is fully implicit, and 1 fully explicit. |
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August 15, 2020, 00:14 |
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#3 |
Senior Member
abdikerim kurbanaliev
Join Date: Jun 2010
Location: Kyrgyzstan, Osh
Posts: 121
Rep Power: 16 |
Thank you very much.
Kerim |
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