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Forum: OpenFOAM Running, Solving & CFD

November 13, 2013, 05:04

Replies: 20

Propeller mixing 2 phases

Views: 5,102

Posted By Artur

HI, I think that finding BC's for this that...

HI,

I think that finding BC's for this that will both work and be physically meaningful will be the biggest challenge (if it's even possible with the way AMI works). I reckon it will all depend on...

Forum: OpenFOAM Running, Solving & CFD

November 11, 2013, 15:26

Replies: 20

Propeller mixing 2 phases

Views: 5,102

Posted By Artur

Hi, Glad to hear you're making progress with...

Hi,

Glad to hear you're making progress with your case. It's an interesting concept to put the stator inside the AMI - I would suppose that it should work if it's an axisymmetric body, and it...

Forum: OpenFOAM Running, Solving & CFD

October 30, 2013, 12:31

Replies: 20

Propeller mixing 2 phases

Views: 5,102

Posted By Artur

Hi, Didn't see your 2nd post and already...

Hi,

Didn't see your 2nd post and already started writing a response :P How did you solve the problem?

A

Forum: OpenFOAM Running, Solving & CFD

October 29, 2013, 03:10

Replies: 20

Propeller mixing 2 phases

Views: 5,102

Posted By Artur

OK, so it seems that everything either I or those...

OK, so it seems that everything either I or those of my colleagues to whom I've spoken have done in the past boils down to shrinking the AMI interface so that it's "just" outside the prop radius,...

Forum: OpenFOAM Running, Solving & CFD

October 27, 2013, 17:40

Replies: 20

Propeller mixing 2 phases

Views: 5,102

Posted By Artur

Hi, I have experienced similar problems when...

Hi,

I have experienced similar problems when meshing a propeller in proximity to a hull. Tomorrow I'll dig up the old cases and try to see how I dealt with it and try to reduce the gap even...

Forum: OpenFOAM Running, Solving & CFD

October 27, 2013, 11:06

Replies: 20

Propeller mixing 2 phases

Views: 5,102

Posted By Artur

Glad your trial simulation worked fine! I...

Glad your trial simulation worked fine!

I spoke to my colleague on Friday (he's got a lot more experience than me in using AMI) and he said that he had tried using externally created meshes for it...

Forum: OpenFOAM Running, Solving & CFD

October 25, 2013, 06:04

Replies: 20

Propeller mixing 2 phases

Views: 5,102

Posted By Artur

It's indeed awkward that the same mesh works with...

It's indeed awkward that the same mesh works with pimple but doesn't with interFoam. I suppose they run at different time steps and one of them simply "skips over" the bit of the mesh that causes...

Forum: OpenFOAM Running, Solving & CFD

October 22, 2013, 03:14

Replies: 20

Propeller mixing 2 phases

Views: 5,102

Posted By Artur

I'm glad to see you're making some serious...

I'm glad to see you're making some serious progress!

First things first, your interFoam run fell over because of this (just before the error was thrown):

AMI: Patch source weights...

Forum: OpenFOAM Running, Solving & CFD

October 18, 2013, 05:51

Replies: 20

Propeller mixing 2 phases

Views: 5,102

Posted By Artur

I think multiphase/interDyMFoam is what you're...

I think multiphase/interDyMFoam is what you're looking for - it's a transient, multiphase solver for two phases solved using VOF method and dynamic mesh. MRF is a steady state approach so not good...

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