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Search: Posts Made By: chris1980
Forum: OpenFOAM Running, Solving & CFD June 24, 2006, 02:08
Replies: 10
Views: 1,874
Posted By chris1980
thanks Hrv! just to make su

thanks Hrv!

just to make sure I get you right:

I want to solve a Xi-eqn and the problem is to implement the following source terms

C1*[grad(XXi)]^2 - C2*Xi

the first term I...
Forum: OpenFOAM Running, Solving & CFD June 23, 2006, 12:54
Replies: 10
Views: 1,874
Posted By chris1980
ups there is type volScalar

ups there is type

volScalarField gradXiVar2 = fvc::grad(XiVar) & fvc::grad(XiVar)
Forum: OpenFOAM Running, Solving & CFD June 23, 2006, 12:52
Replies: 10
Views: 1,874
Posted By chris1980
the main problem is the realis

the main problem is the realistation of the squared gradient [grad(Xi)]^2

I have tried to do this like:

volScalarField gradXiVar2 = fvc::grad(XiVar) &
...
solve
(
...
-...
Forum: OpenFOAM Running, Solving & CFD June 23, 2006, 10:35
Replies: 10
Views: 1,874
Posted By chris1980
I fell some trouble to impleme

I fell some trouble to implement a scalar transport eqn with the following source term:

C1*[grad(Xi)]^2 - C2*epsilon/k * rho * Xi

C1,C2: constants
epsilon: turbulent dissipation
k:...
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