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Forum: OpenFOAM Running, Solving & CFD

March 25, 2013, 03:24

Replies: 16

Increasing level of water two-Phase Channel Flow

Views: 2,255

Posted By vonboett

...well of course, I used your attatched case...

...well of course, I used your attatched case Current.zip. Feel free to insert your air inlet and outlet boundaries. It should not affect the principle of water inlet and water outlet bc.

Forum: OpenFOAM Running, Solving & CFD

March 20, 2013, 05:01

Replies: 16

Increasing level of water two-Phase Channel Flow

Views: 2,255

Posted By vonboett

...the case folder

...the case folder

Forum: OpenFOAM Running, Solving & CFD

March 20, 2013, 04:48

Replies: 16

Increasing level of water two-Phase Channel Flow

Views: 2,255

Posted By vonboett

let me quote Fransje Sept. 27 2010 in Thread...

let me quote Fransje Sept. 27 2010 in Thread "Questions about the inletOutlet and outletInlet boundary conditions":

Similarly, if, for some reason, we were to specify:
Code:
k: outlet ...

Forum: OpenFOAM Running, Solving & CFD

March 19, 2013, 11:31

Replies: 16

Increasing level of water two-Phase Channel Flow

Views: 2,255

Posted By vonboett

I have for alpha as for atmosphere: ...

I have for alpha as for atmosphere:

type inletOutlet;
inletValue uniform 0;
value uniform 0;

and my surface finds the same line as in your...

Forum: OpenFOAM Running, Solving & CFD

March 19, 2013, 02:52

Replies: 16

Increasing level of water two-Phase Channel Flow

Views: 2,255

Posted By vonboett

My Surface is stable with the atmosphere settings...

My Surface is stable with the atmosphere settings for the outlet (self stabilizing) and tried aswell the two-dimensional case of Mathias Ehrenwith who faces the same problem simulating a wake...

Forum: OpenFOAM Running, Solving & CFD

March 18, 2013, 03:27

Replies: 16

Increasing level of water two-Phase Channel Flow

Views: 2,255

Posted By vonboett

Over the weekend I have tried your case, too,...

Over the weekend I have tried your case, too, with finer mesh and my settings and I meet the same situation. Your air viscosity is fine, reducing it will even challenge the solver more, especially if...

Forum: OpenFOAM Running, Solving & CFD

March 11, 2013, 15:55

Replies: 16

Increasing level of water two-Phase Channel Flow

Views: 2,255

Posted By vonboett

I see. my time horizont lies within seconds and i...

I see. my time horizont lies within seconds and i use 10-8 tolerance in the different solver settings. I guess you should increase your grid resolution at least at the water level location, use a...

Forum: OpenFOAM Running, Solving & CFD

March 11, 2013, 03:11

Replies: 16

Increasing level of water two-Phase Channel Flow

Views: 2,255

Posted By vonboett

Hi, I am not familiar with the massFlow...

Hi,
I am not familiar with the massFlow function.

I tried out a lot of BC settings, too, and I work with
outletWater
{
type buoyantPressure;// interFoam/channel flow...

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