CFD_FOAM

🔴 A compact introduction to the numerical modeling of multiphase flows

🔴 A compact introduction to the numerical modeling of multiphase flows

🔴 repos for Urban microclimate and thermal comfort solvers in OpenFOAM 1- https://github.com/hgopalan/scout-openfoam 2- https://gitlab.ethz.ch/openfoam-cbp/solvers/urbanmicroclimatefoam python package 3- https://pypi.org/project/pythermalcomfort/3.0.0/

🔴 importance of renumbering mesh in OpenFOAM [link] OpenFOAM Matrix Analyzer:

git clone git@github.com:NimaSam/OFMatrixAnalyzer.git

read more [here]

🔴 OpenFOAM writting Formats [link] 1- uncollated 2- collated 3- coherent

🔴 CFD bench marks and validations 1- Gerris code [link] 2- OpenFOAM [link]

🔴 Setting Python Development Environment with VScode and Docker https://github.com/RamiKrispin/vscode-python

🔴 OpenFOAM 2412 by ESI Group is out! Key updates include: 1⃣ ZoneBlended Scheme: Use different schemes for specific zones. 2⃣ Dynamic Mesh in simpleFoam: Now supports dynamic meshes. 3⃣ Report Generation: Automate simulation reports [example link]. 4⃣ Example for Meshing Tools: Create tetMesh and polyhedral meshes [example link] Check the full release notes here.

🔴 OpenFOAM2412 from ESI group is released. check release note [here] some interesting new features: - zoneBlended scheme : use different scheme for different zone - simpleFoam now support dynamicMesh - report generation [example link]: - create tetMesh and polyhedralMesh [example link]

🔴Immersed Boundary Methods (IBM) in OpenFOAM [link]

🔴 introduction to GIS programming https://www.youtube.com/watch?v=qpxP18hb5VQ&list=PLAxJ4-o7ZoPfb18kNe2luWX9xKg1233i9

🔴 inspect mesh with paraview plugins [link]

🔴 On an explicit method for pre-estimate flux for incompressible flow simulation A method for estimating initial field for velocity and pressure. The method is similar to potentialFoam but includes the viscosity. https://doi.org/10.1016/j.compfluid.2024.106458

🔴 Free acess to scientific articles in: https://annas-archive.org/

🔴 Apptainer for OpenFOAM Apptainer is ideal for containerizing OpenFOAM because it ensures secure, reproducible environments without requiring root access, crucial for HPC systems. It also supports direct hardware access, enabling seamless use of GPUs and MPI for parallel simulations in OpenFOAM. ✅ How to install it 1- get files and put it in openfoam-apptainer-packaging folder

git clone https://github.com/FoamScience/openfoam-apptainer-packaging.git openfoam-apptainer-packaging

2- install apptainer

sudo apt install -y apptainer

3-use python3.10 and create a virtual environment name venv_3_10

python3.10 -m venv venv_3_10

and source it:

source venv_3_10/bin/activate

then install ansible package:

python -m pip install ansible

4- run the ansible in openfoam-apptainer-packaging directory to create the apptainer image (.sif file) for openfoam

ansible-playbook build.yaml --extra-vars "original_dir=$PWD" --extra-vars "@config.yaml"

The image file will be generated in this path: openfoam-apptainer-packaging/containers/basic/ if you want to edit openfoam version, check config.yaml ✅ How to use apptainer 1- run apptainer

apptainer run [path_to_apttainer] OF_command

e.g. path_to_apptainer = containers/basic/opencfd-openfoam.sif

apptainer run openfoam-apptainer-packaging/containers/basic/opencfd-openfoam.sif blockMesh

2- run apptainer in bash mode

apptainer run path_to_apttainer bash

and then run openfoam commands. 3- if an Allrun script is there, then:

apptainer run path_to_apttainer ./Allrun