CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums

Search Results

Register Blogs Members List Search Today's Posts Mark Forums Read

Showing results 1 to 11 of 11
Search took 0.30 seconds.
Search: Posts Made By: lr103476
Forum: OpenFOAM Running, Solving & CFD December 16, 2008, 10:33
Replies: 40
Views: 15,147
Posted By lr103476
Hi Sebastien, Try also the

Hi Sebastien,

Try also the vanLeerV scheme for convection. This gives nice vortex preserving results for me.

Frank
Forum: OpenFOAM Running, Solving & CFD May 2, 2006, 10:00
Replies: 40
Views: 15,147
Posted By lr103476
You have to create your own cr

You have to create your own createForces.H file. I simply took some stuff from the liftDrag utility, the part where the force are being calculated.

Furthermore I would create your own solver,...
Forum: OpenFOAM Running, Solving & CFD May 1, 2006, 04:40
Replies: 40
Views: 15,147
Posted By lr103476
Just after the runTime.write()

Just after the runTime.write() call in the icoFoam.C file, I put the following header file

#include "computeForces.H"

This file includes some code to calculate the lift, drag and moment and...
Forum: OpenFOAM Running, Solving & CFD April 28, 2006, 04:24
Replies: 40
Views: 15,147
Posted By lr103476
That would be very nice. I wil

That would be very nice. I will just see how the new BC behaves for my problem.

While finishing a paper on previous work, I am still working on these cylinder flows using OpenFOAM, I varied grid...
Forum: OpenFOAM Running, Solving & CFD March 29, 2006, 11:42
Replies: 40
Views: 15,147
Posted By lr103476
All right. The 'strange' se

All right.

The 'strange' secondary vortices which I showed you are really dependent on the mesh size. Right now I am performing a range of simulations using meshes of 50k, 100k and 200k cells...
Forum: OpenFOAM Running, Solving & CFD February 3, 2006, 06:58
Replies: 40
Views: 15,147
Posted By lr103476
Is there a change that my 'pro

Is there a change that my 'problem' may be mesh dependent? If so, what would be a good mesh instead?

Thanks, Frank
Forum: OpenFOAM Running, Solving & CFD January 25, 2006, 12:52
Replies: 40
Views: 15,147
Posted By lr103476
Thanks for all the responses t

Thanks for all the responses to my problem. I updated my results on:
www.aero.lr.tudelft.nl/~frank (http://www.aero.lr.tudelft.nl/~frank)
with midpoint integration, coarsening enlarged mesh near...
Forum: OpenFOAM Running, Solving & CFD January 23, 2006, 10:03
Replies: 40
Views: 15,147
Posted By lr103476
Hi, At the following locat

Hi,

At the following location I put some of my results concerning the validation of OpenFOAM using the flow around circular cylinders:

www.aero.lr.tudelft.nl:/~frank...
Forum: OpenFOAM Running, Solving & CFD January 20, 2006, 06:10
Replies: 40
Views: 15,147
Posted By lr103476
So say less numerical diffusio

So say less numerical diffusion is present in OpenFOAM. How can you explain the solution to be more smeared out near the end of the domain (visible in the plots of the full domain).

On monday I...
Forum: OpenFOAM Running, Solving & CFD January 20, 2006, 04:43
Replies: 40
Views: 15,147
Posted By lr103476
By "not good enough" I mean th

By "not good enough" I mean that the Von Karman street does not look like the common figures out of the book, just like the previous link from Eugene.

The max courant number which corresponds to...
Forum: OpenFOAM Running, Solving & CFD January 19, 2006, 11:51
Replies: 40
Views: 15,147
Posted By lr103476
Hi, I am validating OpenFOA

Hi,

I am validating OpenFOAM using Fluent on a static circular cylinder at Re=150.

The full grid and a zoom are shown here:
full grid...
Showing results 1 to 11 of 11

 
Forum Jump

All times are GMT -4. The time now is 18:02.