Questions tagged [openfoam]
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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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 ...
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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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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 ...
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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 ...
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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 ...
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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 ...
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