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Forum: OpenFOAM

November 16, 2012, 12:59

Replies: 41

Creating a solver for the nondimensionalized Navier-Stokes equation

Views: 7,283

Posted By Tobi

Oh its not my day today, sorry. Now I...

Oh its not my day today, sorry.
Now I understand what you are doing.

Hmmm I have to try it by my self but i have no time. It should be possible.

Forum: OpenFOAM

November 16, 2012, 11:58

Replies: 41

Creating a solver for the nondimensionalized Navier-Stokes equation

Views: 7,283

Posted By Tobi

What is that: U : dimensions [0 0 0 0 0...

What is that:

U : dimensions [0 0 0 0 0 0 0];
p : dimensions [0 0 0 0 0 0 0];

??? I dont understand the two lines.
Set

pGrad pGrad [0 -1 0 0 0 0 0]

Forum: OpenFOAM

November 16, 2012, 11:50

Replies: 41

Creating a solver for the nondimensionalized Navier-Stokes equation

Views: 7,283

Posted By Tobi

Post your dimenionSet and the output error.

Post your dimenionSet and the output error.

Forum: OpenFOAM

November 16, 2012, 11:31

Replies: 41

Creating a solver for the nondimensionalized Navier-Stokes equation

Views: 7,283

Posted By Tobi

Hi, you can put a dimensionSet on your p...

Hi,

you can put a dimensionSet on your p vector that the dimension check is working!

Tobi

Forum: OpenFOAM

November 16, 2012, 07:01

Replies: 41

Creating a solver for the nondimensionalized Navier-Stokes equation

Views: 7,283

Posted By Tobi

Hmmm ... you calculate your gradP field with...

Hmmm ... you calculate your gradP field with grad(p) or?
But how whould you get the information of the "vector" couse the pressure is just a scalar without a direction.

Forum: OpenFOAM

November 16, 2012, 06:50

Replies: 41

Creating a solver for the nondimensionalized Navier-Stokes equation

Views: 7,283

Posted By Tobi

Oh sorry, the laplacian(U) class existis! So...

Oh sorry,

the laplacian(U) class existis! So its working :)

Forum: OpenFOAM

November 16, 2012, 06:34

Replies: 41

Creating a solver for the nondimensionalized Navier-Stokes equation

Views: 7,283

Posted By Tobi

Hi Hisham, the laplacian class is wrong like I...

Hi Hisham, the laplacian class is wrong like I posted befor.
I just had a very short look into the code and dont see the declaration of the other variables :)

Well nice replay!

(
...

Forum: OpenFOAM

November 16, 2012, 05:39

Replies: 41

Creating a solver for the nondimensionalized Navier-Stokes equation

Views: 7,283

Posted By Tobi

Hi, there are many errors: ...

Hi,

there are many errors:

fvVectorMatrix UEqn
(
fvm::ddt(U)
+ Re*(fvm::div(phi, U))
- fvm::laplacian(U)

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