alphaInitializerFoam
has been renamed as setVofField
and is available at geometricVofExt.
alphaInitializerFoam
is a pre-processing utility designed to initialize the alpha (VOF) field with an input shape surface mesh in .stl format. It works on polyhedral unstructured meshes. The previous fluid shape will be retained.
Another copy of alphaInitializerFoam and demo cases can be found in:
Dai, Dezhi (2019), “alphaInitializerFoam”, Mendeley Data, v2
http://dx.doi.org/10.17632/wg4sx7sc57.2
The source code of alphaInitializerFoam
is developed and maintained for the latest OpenFOAM-plus release (currently OpenFOAM-v1812
). A script for generating code for other releases and old versions will be provided in the near future.
Please notify me via the email address below if you found any errors or bugs, and I will fix them as soon as possible.
The basic idea of alphaInitializerFoam
follows:
- first compute the intersection of the surface mesh (blue), which represents the liquid or gas shape, and each cell (red) in the mesh,
Figures are from Wikipedia.
- then initialize the fraction value by normalizing the intersection volume with the cell one.
The .stl surface mesh loading and intersection operation in alphaInitializerFoam
are from libigl and Cork libs, respectively.
It should be noted that the copies of Eigen, libigl and Cork that provided together with alphaInitializerFoam
are ONLY used for simplifying the installation.
Before compiling alphaInitializerFoam
, make sure that the OpenFOAM environment has been set properly.
-
Download
alphaInitializerFoam
from this page or http://dx.doi.org/10.17632/wg4sx7sc57.2 -
Build
libcork.a
cd cork
make
- Build
alphaInitializerFoam
cd ..
wmake
All of the compiling commands above have been integrated into Allwmake
script.
The usage of alphaInitializerFoam
is simple:
Usage: alphaInitializerFoam [OPTIONS] <stl-file>
Arguments:
<stl-file> The input surface mesh in .stl format
Options:
-case <dir> Specify case directory to use (instead of the cwd)
-gas Initialize the shape for gas phase
-doc Display documentation in browser
-doc-source Display source code in browser
-help Display short help and exit
-help-compat Display compatibility options and exit
-help-full Display full help and exit
Initialize the alpha (VOF) field with an input shape surface mesh in .stl
format. The previous fluid shape will be retained.
Using: OpenFOAM-v1812 (1812) (see www.OpenFOAM.com)
Build: v1812
Arch: LSB;label=32;scalar=64
It should be noted that the parallel option has been disabled.
Three demo cases are available in http://dx.doi.org/10.17632/wg4sx7sc57.2 (alphaInitializerFoamTut.tar.gz
).
The commands are integrated into the Allrun
script for each case.
If you use alphaInitializerFoam
in your academic projects, please cite this utility in general, you could use this BibTex entry:
@misc{alphaInitializerFoam,
doi = {10.17632/wg4sx7sc57.2},
url = {http://dx.doi.org/10.17632/wg4sx7sc57.2},
author = {Dai, Dezhi},
title = {alphaInitializerFoam},
publisher = {Mendeley Data, v2},
year = {2019}
}
- Initial release.
- Dezhi Dai, UT Arlington, dezhi.dai@mavs.uta.edu (Developer)