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Search: Posts Made By: Martin Hegedus
Forum: Main CFD Forum February 12, 2013, 20:13
Replies: 11
Views: 1,347
Posted By Martin Hegedus
There are OpenFOAM front ends such as Symscape...

There are OpenFOAM front ends such as Symscape (http://www.symscape.com/ using OpenCascade) and Khamsin (http://www.hibouscientificsoftware.com.au using Google Sketchup). There are Cartisean solvers...
Forum: Main CFD Forum February 12, 2013, 19:07
Replies: 11
Views: 1,347
Posted By Martin Hegedus
An example. Do you need LES (Large Eddy...

An example. Do you need LES (Large Eddy Simulation) or DES (Detached Eddy Simulation)? Or, is a RANS turbulence model enough?
Forum: Main CFD Forum February 12, 2013, 19:01
Replies: 11
Views: 1,347
Posted By Martin Hegedus
That's the unfortunate thing, accurately...

That's the unfortunate thing, accurately calculating the pressure drop due to a valve is complex. It depends on Reynolds number, separated flow, turbulence, etc. It's not only about the geometry,...
Forum: Main CFD Forum February 12, 2013, 18:32
Replies: 11
Views: 1,347
Posted By Martin Hegedus
I guess the question is, what sort of accuracy do...

I guess the question is, what sort of accuracy do you need?

If you are just looking for qualitative answers (colorful fluid dynamics), I believe there are packages out there.
Forum: Main CFD Forum February 12, 2013, 18:18
Replies: 11
Views: 1,347
Posted By Martin Hegedus
@BlasMolero, I think there may be more to this...

@BlasMolero, I think there may be more to this than you realize...

But, first, I agree with flotus1. You get what you pay for.

Second, you need to address the physics, and the physics can get...
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