Difference between revisions of "Meshing in OpenFOAM by Divyesh Variya (DD Fluids)"

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(Created page with "category:meshing * '''contributor''': Divyesh Variya * '''affiliation''': Indian Institute of Technology, Bombay * '''contact''': <mail address='dd.fluid.mechanics@gmail.c...")
 
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* '''LinkedIn Profile''': [https://www.linkedin.com/in/divyeshvariya/ DivyeshVariya]
 
* '''LinkedIn Profile''': [https://www.linkedin.com/in/divyeshvariya/ DivyeshVariya]
  
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=blockMesh=
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=[https://wiki.openfoam.com/blockMesh_by_Divyesh_Variya_(DD_Fluids) blockMesh]=
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* Tutorial link: [https://youtu.be/4l2em9Lhp5A Vertices|blocks|boundary]
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==blockMeshDict [vertices|blocks|boundary]==
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* Tutorial link: [https://youtu.be/OMBSNGWKIMU edges]
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Tutorial link: [https://youtu.be/4l2em9Lhp5A YouTube Tutorial]
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* Tutorial link: [https://youtu.be/RKDia8Xjtu8 simpleGrading]
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=[https://wiki.openfoam.com/snappyHexMesh_by_Divyesh_Variya_(DD_Fluids) snappyHexMesh]=
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Description: A detailed overview explained in this tutorial using a lid driven cavity case. The three major sections of blockMeshDict are discussed with different hands on modifications.
 
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Points covered:
 
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* How to define vertices
 
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* How to define block
 
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* How to discretise a domain
 
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* How to define physical boundaries
 
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* How to scale geometry
 
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==blockMeshDict [edges]==
 
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Tutorial link: [https://youtu.be/OMBSNGWKIMU YouTube Tutorial]
 
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Description: An explaination of a sub-section edges of blockMeshDict is explained in this tutorial. How one can create an arc and polyline using edges section is discussed with hands on modifications.
 
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Points covered:
 
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* How to create a curved face
 
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* How to create 3 point arc
 
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* How to create a polyline
 
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* How to create finer and smoother face
 
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* How to add points from excel to blockMeshDict
 
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==blockMeshDict [simpleGrading]==
 
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Tutorial link: [https://youtu.be/RKDia8Xjtu8 YouTube Tutorial]
 
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Description: To create finer mesh near a perticular face in blockMeshDict, simpleGrading is used. In this tutorial, few options of simpleGrading are explained for example, how to create finer grid near the single face and two faces.
 
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Points covered:
 
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* How to create finer grid near a face
 
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* How to distribute geometry and no. of cells
 
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* How expansion ratio work in blockMeshDict
 

Revision as of 08:41, 28 April 2021

blockMesh

snappyHexMesh

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