Disclaimer
“This offering is not approved or
endorsed by OpenCFD Limited, the
producer of the OpenFOAM software
and owner of the OPENFOAM® and
OpenCFD® trade marks.”
Introductory OpenFOAM® Course
From 16th to 20th February, 2015
University of Genoa, DICCA
Dipartimento di Ingegneria Civile, Chimica e Ambientale
Your Lecturer
Joel GUERRERO
[email protected]
[email protected] Today’s lecture
1.  CFD simulation workflow
CFD simulation workflow
Geometry description
Mesh generation
Visualization
CFD simulation workflow
GEOMETRY
UP TO 70% OF USER TIME
THIS IS THE BOTTLENECK
MESHING
CASE SETUP
UP TO 10% OF USER TIME
VISUALIZATION
UP TO 20% OF USER TIME
The percentages shown are based on my personal experience.
CFD simulation workflow
GEOMETRY
MESH
SOLVER
CO-PROCESSING
PARAMETRIZATION
OPTIMIZATION
VISUALIZATION
Parametric or optimization approach – Simulation loop
CFD simulation workflow
PARALLEL ASYNCHRONOUS OR CONCURRENT DRIVER
MULTIDIMENSIONAL OR PARAMETRIC STUDY
DESIGN OF EXPERIMENTS
SENSITIVITY ANALYSIS
OPTIMIZATION STUDY
UNCERTAINTY QUANTIFICATION
ROBUST DESIGN AND OPTIMIZATION UNDER UNCERTAINTY
MULTIOBJECTIVE OPTIMIZATION
SURROGATE BASED OPTIMIZATION
GEOMETRY
GEOMETRY
MESH
MESH
MESH
SOLVER
CO-PROCESSING
SOLVER
CO-PROCESSING
SOLVER
PARAMETRIZATION
OPTIMIZATION
PARAMETRIZATION
OPTIMIZATION
PARAMETRIZATION
OPTIMIZATION
VISUALIZATION
VISUALIZATION
VISUALIZATION
CASE 1
CASE 2
CASE N
AUTOMATIC POST-PROCESSING
Concurrent approach – Simulation nested loop
CO-PROCESSING
DECISION MATRIX OR
HUMAN DECISION MAKER
GEOMETRY
CFD simulation workflow
GEOMETRY
MESHING
CASE SETUP
AND SOLVER
POST
PROCESSING
Salome
blockMesh
OpenFOAM® (FVM)
paraFoam
Blender
snappyHexMesh
Code Saturne (FVM)
paraView
Free-CAD
Salome
SU2
(FVM)
VISIT
Google Sketch-Up
Engrid
Overture
(FDM)
Gnuplot
pythonOCC
GMSH
ELMER
Openscad
TETGEN
OpenVSP
(FEM-DG)
Scilab
Fenics
(FEM)
Grace
pythonOCC
OpenLB
(LBM)
Python
Calculix
Palabos
(LBM)
Shell scripting
cfMesh
R computational
statistics
This list does not enumerate all the open source applications available. It only shows those applications that I like
to use or I feel confortable with.
CFD simulation workflow
OpenFOAM built-in meshing technology
blockMesh or
external mesher
Background mesh
Any commercial or open source CAD or solid modelling tool
snappyHexMesh
foamyQuadMesh
blockMesh
Salome
Geometry
(STL file)
foamyHexMesh
Any commercial or open source CAD or solid modelling tool
cfMesh
OpenFOAM polyMesh
Any open source
mesher
TETGEN
GMSH
Netgen
Engrid
Calculix
Any commercial or open source CAD or solid modelling tool
The diagram does not show all the applications available.
Commercial meshers
Thank you for your attention
These lectures notes are licensed under the Creative Commons
Attribution-ShareAlike 4.0 International License.
To view a copy of this license, visit
http://creativecommons.org/licenses/by-sa/4.0/