Difference between revisions of "OpenFOAM/C2/Introduction-to-OpenFOAM/English"

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Tutorial: '''Introduction to OpenFOAM.'''
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Tutorial: Introduction to OpenFOAM.
  
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'''Script : Rahul Joshi and Saurabh S. Sawant'''
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Script : Rahul Joshi and Saurabh S. Sawant
  
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'''Narration : Rahul Joshi'''
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Narration : Rahul Joshi
  
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<div style="margin-left:0cm;margin-right:0cm;">'''Keywords: Video tutorial, CFD, About OpenFOAM, Solvers , Parallel Processing'''</div>
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Keywords: Video tutorial, CFD, About OpenFOAM, Solvers , Parallel Processing
  
  
  
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{| style="border-spacing:0;width:17cm;"
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{| style="border-spacing:0;width:16.99cm;"
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|-
 
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| align=center style="background-color:#ffffff;border-top:0.25pt solid #ed220b;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | '''Visual Cue'''
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| align=center style="background-color:#ffffff;border-top:1pt solid #000000;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | '''Visual Cue'''
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| align=center style="background-color:#ffffff;border-top:0.25pt solid #ed220b;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | '''Narration'''
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| align=center style="background-color:#ffffff;border:1pt solid #000000;padding:0.18cm;" | '''Narration'''
 
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|-
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| style="background-color:#ffffff;border-top:none;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 1
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 1
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| style="background-color:#ffffff;border-top:none;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | Hello and welcome to the spoken tutorial on Introduction to OpenFOAM.
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" | Hello and welcome to the spoken tutorial on '''Introduction to OpenFOAM'''.
 
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|-
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 2: About OpenFOAM
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 2: About OpenFOAM
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | OpenFOAM stands for Open source Field Operation And Manipulation. It is an Open Source Computational Fluid Dynamics Software.
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" |  
 +
* '''OpenFOAM''' stands for '''Open source Field Operation and Manipulation'''.  
 +
* It is an '''Open Source Computational Fluid Dynamics''' software.
 
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|-
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 3: About OpenFOAM
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 3: About OpenFOAM
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | A CFD tool box written in C++ and working on Linux operating systems.
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" | A '''CFD tool box''' written in '''C++''' and working on '''Linux''' operating systems.
 
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|-
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 4: About OpenFOAM
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 4: About OpenFOAM
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | OpenFOAM has an Object Oriented Programming Interface. It is licensed under GNU General Public Licence.
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" |  
 +
* '''OpenFOAM''' has an '''Object Oriented Programming''' interface.  
 +
* It is licensed under '''GNU General Public Licence'''.
 
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|-
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 5: OpenFOAM capability
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 5: OpenFOAM capability
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | OpenFOAM is a Finite Volume based CFD software using both structured and unstructured grid.
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" | '''OpenFOAM''' is a '''Finite Volume''' based '''CFD''' software using both structured and unstructured '''grid'''.
 
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|-
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 6:<span style="color:#ff2600;"> </span><span style="color:#000000;">Mesh Generation</span>
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 6: Mesh Generation
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | OpenFOAM has a mesh generation tool called as blockMesh. It is used for structured meshing, small and easy grids. Mesh input is in form of a script and no GUI. It also has an Advanced Meshing tool called as snappyHexMesh.  
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" |  
 +
*''' OpenFOAM''' has a '''mesh''' generation tool called as '''blockMesh'''.  
 +
* It is used for structured '''meshing''', small and easy '''grids'''.  
 +
* '''Mesh''' input is in the form of a '''script''' and no '''GUI'''.  
 +
* It also has an advanced '''meshing''' tool called as '''snappyHexMesh'''.  
 
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|-
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 7:Importing Mesh Files
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 7:Importing Mesh Files
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | We can import mesh files from third party softwares like fluent, cfx by using these commands. This is useful for large and complex grids. We can also use arbitrary polyhedral mesh.
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" |  
 +
* We can import '''mesh''' files from third party software like '''Fluent, cfx''' by using these '''commands'''.  
 +
* This is useful for large and complex '''grids'''.  
 +
* We can also use '''arbitrary polyhedral mesh'''.
 
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|-
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 8: Boundary Conditions
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 8: Boundary Conditions
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | There are various default boundary conditions which are available. Users can modify the existing boundary conditions according to their case.  
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" |  
 +
* There are various default '''boundary conditions''' which are available.  
 +
* Users can modify the existing '''boundary conditions''' according to their '''case'''.  
 
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|-
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 9: Solvers
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 9: Solvers
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | There are wide range of solvers available for: Incompressible flows such as icoFoam, Compressible flows such as sonicFoam, Multiphase flows such as interFoam, Combustion - chemFoam, Particle-tracking flows - coalChemistryFoam, Molecular Dynamics - mdFoam and<span style="color:#ff2600;"> </span>MHD flows and many more.
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" | There are a wide range of '''solvers''' available for:  
 +
* '''Incompressible flows''' such as '''icoFoam'''
 +
* '''Compressible flows''' such as '''sonicFoam'''
 +
* '''Multiphase flows''' such as '''interFoam'''
 +
* Combustion - '''chemFoam'''
 +
* '''Particle-tracking flows - coalChemistryFoam, Molecular Dynamics - mdFoam''' and '''MHD flows''' and many more.
 
|-
 
|-
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 10: Solvers
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 10: Solvers
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | Users can create their own solvers or they can modify the existing solvers
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" | Users can create their own '''solvers''' or they can modify the existing '''solvers'''.
 
|-
 
|-
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 11: Parallel Processing
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 11: Parallel Processing
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | Parallel processing is easy in OpenFOAM and supports OpenMPI.
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" |  
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* Parallel '''processing''' is easy in '''OpenFOAM''' and supports '''OpenMPI'''.
−
We can use 'n' number of processors.
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* We can use 'n' number of '''processors'''.
 
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|-
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 12: Post-Processing
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 12: Post-Processing
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | OpenFOAM results can be visualized using Paraview.  
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" |  
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*''' OpenFOAM''' results can be visualized using '''ParaView'''.  
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OpenFOAM data can also be visulalised in softwares such as Tecplot, Ensight , <span style="color:#000000;">and</span> etc.  
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* '''OpenFOAM''' data can also be visulalised in software such as '''Tecplot, Ensight''', and etc.  
 
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|-
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 13: Equivalent to Commercial softwares
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 13: Equivalent to Commercial softwares
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | Commercial softwares are costly. <span style="color:#000000;">Source</span> code is not available. Solver capabilities of OpenFOAM are as good as Fluent, CFX, Star CCM +, etc.
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" |  
 +
* Commercial software are costly.  
 +
* Source code is not available.  
 +
* '''Solver''' capabilities of '''OpenFOAM''' are as good as '''Fluent, CFX, Star CCM +''', etc.
 
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 14: Modelling in OpenFOAM
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 14: Modelling in OpenFOAM
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | Solver syntax in OpenFOAM is similar to that used in writing a Partial Differential Equation.
+
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" | '''Solver''' syntax in '''OpenFOAM''' is similar to that used in writing a partial differential equation.
 
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|-
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 15: OpenFOAM code
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 15: OpenFOAM code
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | For example, Analytically Momentum Equation is written as shown.  
+
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" | For example, analytically '''Momentum equation''' is written as shown.  
  
−
Shown below is the OpenFOAM code equivalent for this equation
+
Shown below is the '''OpenFOAM''' code equivalent for this equation.
 
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|-
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| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 16-22: OpenFOAM Results
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 16-22: OpenFOAM Results
−
| style="background-color:#eeeeee;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | We will now see some OpenFOAM applications - Dam break simulation, Moving Reference Frame simulation, Arbitrary Mesh Interface, Ship Propeller Simulation, 3D Bluff body simulation, <span style="color:#000000;">Particle</span>-tracking simulation.
+
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" | We will now see some '''OpenFOAM''' applications-
 +
* Dam break simulation
 +
* Moving Reference Frame simulation
 +
* Arbitrary '''mesh''' interface
 +
* Ship Propeller simulation
 +
* 3D Bluff body simulation
 +
* Particle-tracking simulation
  
−
OpenFOAM spoken tutorial are<span style="color:#ff2600;"> </span>available on the spoken tutorial website.
+
'''OpenFOAM''' spoken tutorials are available on the '''Spoken Tutorial''' website.
 
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|-
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 23: About the Spoken Tutorial Project
+
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Spoken tutorial clips
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| style="background-color:#ffffff;border-top:0.25pt solid #000001;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | Watch the video available at this URL.  
+
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" | Let me show you some clips of  spoken tutorials on '''OpenFOAM'''.
  
−
It summarizes the Spoken Tutorial Project.
+
Using these self-learning tutorials, users can learn
−
 
+
*Installing and running '''OpenFOAM''' and '''ParaView'''
−
If you do not have a good bandwidth you can download and watch it.
+
*Creating a simple '''geometry'''
 +
*Simulating '''Lid-driven cavity'''
 +
*and many other features of '''OpenFOAM'''
 
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|-
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| style="background-color:#ffffff;border-top:none;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #ed220b;border-right:0.25pt solid #000001;padding-top:0.141cm;padding-bottom:0.141cm;padding-left:0.242cm;padding-right:0.141cm;" | Slide 24: About the Spoken Tutorial Project
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| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 23: About the Spoken Tutorial Project
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| style="background-color:#ffffff;border-top:none;border-bottom:0.25pt solid #000001;border-left:0.25pt solid #000001;border-right:0.25pt solid #ed220b;padding:0.141cm;" | The Spoken Tutorial Project Team
+
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" |
 +
* Watch the video available at this URL.
 +
* It summarizes the Spoken Tutorial Project.
 +
* If you do not have a good bandwidth you can download and watch it.
 +
|-
 +
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.18cm;" | Slide 24: About the Spoken Tutorial Project
 +
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.18cm;" | The Spoken Tutorial Project Team
  
 
-Conducts workshops using spoken tutorials
 
-Conducts workshops using spoken tutorials
Line 90: Line 121:
 
-Gives certificates to those who pass an online test
 
-Gives certificates to those who pass an online test
  
−
-For more details, please write to [mailto:contact@spoken-tutorial.org contact@spoken-tutorial.org]
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For more details, please write to contact@spoken-tutorial.org
 
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* Spoken Tutorials project is a part of Talk to a Teacher project.  
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More information on this mission is available at the following URL link [http://spoken-tutorial.org/NMEICT-Intro http://spoken-tutori][http://spoken-tutorial.org/NMEICT-Intro al.org/NMEICT-Intro]
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* It is supported by the National Mission on Education through ICT, MHRD, Government of India.  
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* This project is coordinated by [http://spoken-tutorial/ http://spoken-tutorial]
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* More information on this mission is available at this URL link http://spoken-tutorial.org/NMEICT-Intro al.org/NMEICT-Intro
 
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About the Author and Speaker
 
About the Author and Speaker
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* Please make a note that this effort is not approved or endorsed by '''ESI Group''', the producer of '''OpenFOAM''' software and the owner of the '''OpenFOAM''' trademark.  
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The script is written by Rahul Joshi and Saurabh Sawant and This is Rahul Joshi from IIT Bombay signing off.
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* The script is written by Rahul Joshi and Saurabh Sawant and this is Rahul Joshi from IIT Bombay signing off.
 
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Latest revision as of 15:08, 27 August 2019


Tutorial: Introduction to OpenFOAM.

Script : Rahul Joshi and Saurabh S. Sawant

Narration : Rahul Joshi

Keywords: Video tutorial, CFD, About OpenFOAM, Solvers , Parallel Processing


Visual Cue Narration
Slide 1 Hello and welcome to the spoken tutorial on Introduction to OpenFOAM.
Slide 2: About OpenFOAM
  • OpenFOAM stands for Open source Field Operation and Manipulation.
  • It is an Open Source Computational Fluid Dynamics software.
Slide 3: About OpenFOAM A CFD tool box written in C++ and working on Linux operating systems.
Slide 4: About OpenFOAM
  • OpenFOAM has an Object Oriented Programming interface.
  • It is licensed under GNU General Public Licence.
Slide 5: OpenFOAM capability OpenFOAM is a Finite Volume based CFD software using both structured and unstructured grid.
Slide 6: Mesh Generation
  • OpenFOAM has a mesh generation tool called as blockMesh.
  • It is used for structured meshing, small and easy grids.
  • Mesh input is in the form of a script and no GUI.
  • It also has an advanced meshing tool called as snappyHexMesh.
Slide 7:Importing Mesh Files
  • We can import mesh files from third party software like Fluent, cfx by using these commands.
  • This is useful for large and complex grids.
  • We can also use arbitrary polyhedral mesh.
Slide 8: Boundary Conditions
  • There are various default boundary conditions which are available.
  • Users can modify the existing boundary conditions according to their case.
Slide 9: Solvers There are a wide range of solvers available for:
  • Incompressible flows such as icoFoam
  • Compressible flows such as sonicFoam
  • Multiphase flows such as interFoam
  • Combustion - chemFoam
  • Particle-tracking flows - coalChemistryFoam, Molecular Dynamics - mdFoam and MHD flows and many more.
Slide 10: Solvers Users can create their own solvers or they can modify the existing solvers.
Slide 11: Parallel Processing
  • Parallel processing is easy in OpenFOAM and supports OpenMPI.
  • We can use 'n' number of processors.
Slide 12: Post-Processing
  • OpenFOAM results can be visualized using ParaView.
  • OpenFOAM data can also be visulalised in software such as Tecplot, Ensight, and etc.
Slide 13: Equivalent to Commercial softwares
  • Commercial software are costly.
  • Source code is not available.
  • Solver capabilities of OpenFOAM are as good as Fluent, CFX, Star CCM +, etc.
Slide 14: Modelling in OpenFOAM Solver syntax in OpenFOAM is similar to that used in writing a partial differential equation.
Slide 15: OpenFOAM code For example, analytically Momentum equation is written as shown.

Shown below is the OpenFOAM code equivalent for this equation.

Slide 16-22: OpenFOAM Results We will now see some OpenFOAM applications-
  • Dam break simulation
  • Moving Reference Frame simulation
  • Arbitrary mesh interface
  • Ship Propeller simulation
  • 3D Bluff body simulation
  • Particle-tracking simulation

OpenFOAM spoken tutorials are available on the Spoken Tutorial website.

Spoken tutorial clips Let me show you some clips of spoken tutorials on OpenFOAM.

Using these self-learning tutorials, users can learn

  • Installing and running OpenFOAM and ParaView
  • Creating a simple geometry
  • Simulating Lid-driven cavity
  • and many other features of OpenFOAM
Slide 23: About the Spoken Tutorial Project
  • Watch the video available at this URL.
  • It summarizes the Spoken Tutorial Project.
  • If you do not have a good bandwidth you can download and watch it.
Slide 24: About the Spoken Tutorial Project The Spoken Tutorial Project Team

-Conducts workshops using spoken tutorials

-Gives certificates to those who pass an online test

For more details, please write to contact@spoken-tutorial.org

Slide 25: Spoken tutorial Workshops
  • Spoken Tutorials project is a part of Talk to a Teacher project.
  • It is supported by the National Mission on Education through ICT, MHRD, Government of India.
  • This project is coordinated by http://spoken-tutorial
  • More information on this mission is available at this URL link http://spoken-tutorial.org/NMEICT-Intro al.org/NMEICT-Intro
Slide 26: Acknowledgement References for the video and images have been taken from these websites.
Slide 27: Disclaimer


About the Author and Speaker

  • Please make a note that this effort is not approved or endorsed by ESI Group, the producer of OpenFOAM software and the owner of the OpenFOAM trademark.
  • The script is written by Rahul Joshi and Saurabh Sawant and this is Rahul Joshi from IIT Bombay signing off.

Contributors and Content Editors

DeepaVedartham, Nancyvarkey

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