OpenFOAM is a free, open source CFD software package developed by OpenCFD Ltd at ESI Group and distributed by the OpenFOAM Foundation.
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1answer
53 views
Open Foam User Guide Tutorial [closed]
I am trying to follow the Openfoam user guide but I'm stuck at the first tutorial 1.
In fact, when I try to run the blockMesh command (using the administrator account), the following appears:
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1
vote
1answer
156 views
OpenFOAM-CFD, human body grid
I am new user of OpenFOAM, I have to generate a grid of a human body to calculate the convective heat transfer between the body and the environment.
Can someone guide me please?
Thanks in advance
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7
votes
1answer
166 views
OpenFoam vs FiPy
I need to learn and utilize a finite volume automated solution package for a project I'm working on and have narrowed it down to these two packages. I was wondering if anybody has experience of both ...
2
votes
1answer
700 views
Adjusting the time step dynamically in OpenFOAM?
I'm experimenting with OpenFOAM. In my simulation of a time-dependent, transitional flow the Courant number remains well below 1 for a certain period but then rises, eventually leading to a floating ...
5
votes
2answers
368 views
Transitional flow in OpenFOAM
Is it possible to simulate transitional flow in OpenFOAM? Or, alternatively, does it make sense to use k-epsilon or k-omega model with low Reynolds number? If not, why? What kind of errors would ...
2
votes
0answers
258 views
Can post-processing use topoSet and createPatch without screwing up the results?
I would like to use patchAverage to obtain the average pressure on an object that consists of multiple patches (due to different boundary conditions), however ...
4
votes
1answer
578 views
How to create zero thickness internal walls in a given mesh in OpenFOAM?
I know using topoSet and subsetMesh along the lines of the ...
5
votes
1answer
1k views
How to set up the dynamic mesh for a piston moving through a tube of variable diameter?
The tutorial case incompressible/pimpleDyMFoam/movingCone describes a cone moving through a "tube" (if you change the far-field patch into a wall) of constant ...
3
votes
2answers
258 views
How to let OpenFOAM abort a simulation when values exceed a given range?
When the absolute pressure becomes negative or $U$ exceeds the speed of light, things have pretty obviously gone wrong (be that bad boundary conditions, a too coarse mesh, a too large timestep etc.).
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5
votes
1answer
261 views
What are the strategies for local Adaptive Mesh Refinement (local AMR) on unstructured meshes?
I am interested in local AMR on unstructured meshes. Currently, I'm working with the OpenFOAM library - it supports completely unstructured local AMR:
cell refinement criteria determine a list of ...
0
votes
0answers
154 views
The source code for fvSchemes in OpenFoam? [closed]
I am a student working for a company doing FSI reasearch. My current work includes discovering how the code for the Euler, backward, and CrankNicholson fvSchemes is executed. In other words, where ...
4
votes
2answers
827 views
Specifying boundary conditions for imported mesh in OpenFOAM
I have a mesh produced from scanning a real 3D object (I don't have a geometry). What is the most convenient way to specify inlets, outlets, etc. for CFD in OpenFOAM? The mesh consists of thousands of ...
9
votes
3answers
3k views
How to get started with OpenFOAM for CFD
I'm looking at using OpenFOAM for solving basic internal flows in CFD. What is the best way to get started, and could anyone please point me to a good online reference to go to with any questions I ...
8
votes
1answer
149 views
Why do we have to rerun the CFD solver for higher Reynolds number?
I started to learn OpenFOAM from the Cavity tutorial which is provided at the web-site. When experimenting with different Reynolds numbers, in section "2.1.8.2 Running the code", tutorial says to ...
