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Search: Posts Made By: Hugoles
Forum: OpenFOAM Community Contributions September 24, 2014, 23:38
Replies: 12
Views: 4,540
Posted By Hugoles
Hello Frantov, Yes, you can calculate...

Hello Frantov,

Yes, you can calculate grad(U) using expressionField and then manipulate the result as with any other field. This way, you could calculate the instantaneous rate of strain and then...
Forum: OpenFOAM Community Contributions March 19, 2012, 17:16
Replies: 12
Views: 4,540
Posted By Hugoles
Thanks for the patch! I applied it to 1.6...

Thanks for the patch!

I applied it to 1.6 but I still get the


Parser Error at "1.1-4" :"field grad not existing or of wrong type"
"grad(U)"
" ^^^^ "

From function parsingValue
Forum: OpenFOAM Community Contributions March 15, 2012, 19:52
Replies: 12
Views: 4,540
Posted By Hugoles
Done! Likewise, can swak make operations over...

Done! Likewise, can swak make operations over tensors such as mag(symm(grad(U))) ? Not sure if the feature is about only the grad of vectors or about tensors in general.

Thanks Bernhard,

Hugo
Forum: OpenFOAM Community Contributions March 15, 2012, 17:43
Replies: 12
Views: 4,540
Posted By Hugoles
Problem to calculate grad(U) using swak4Foam

Dear Foamers,

I need to calculate the strain rate tensor S_ij . In OpenFOAM this is made using the relation S_ij = symm(grad(U)). I am trying do this with swak4Foam (funkyDoCalc) but I just can't...
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