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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: lg88

Forum: CFX March 26, 2012, 02:39

Replies: 9 how to obtain divergence via FVM Views: 1,534 Posted By lg88 oh,I find that it is not easy as you said. ... oh,I find that it is not easy as you said. Firstly, ''define an algebraic additional variable as phi.grad".Is it a vector? then where can I write the expression .grad?And when I calculate the...

Forum: CFX March 26, 2012, 01:44

Replies: 9 how to obtain divergence via FVM Views: 1,534 Posted By lg88 So I need to calculate the gradient of the... So I need to calculate the gradient of the phi.grad in x,y,z direction respectively and then add them together ? I have another question.I need to use the div(coff*grad phi) scale with the volume...

Forum: CFX March 26, 2012, 01:26

Replies: 9 how to obtain divergence via FVM Views: 1,534 Posted By lg88 Thanks to ghorrocks.After I get the phi.grad ,how... Thanks to ghorrocks.After I get the phi.grad ,how can I take the div of that algebraic additional variable?Are there any use like .grad? Regards! lg88

Forum: CFX March 26, 2012, 00:05

Replies: 9 how to obtain divergence via FVM Views: 1,534 Posted By lg88 Phi is a additional variable and the coef is a... Phi is a additional variable and the coef is a constant.Thank you for your help. Regards lg88

Forum: CFX March 24, 2012, 02:04

Replies: 9 how to obtain divergence via FVM Views: 1,534 Posted By lg88 how to obtain divergence via FVM hello everyone I need to calculate a form like div (coef * grad Phi), I think it is better to assemble it as a summation of fluxes around a control volume . Can you please tell me how to implement...

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