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Mesh Upload

It is possible to upload multiple mesh files to the SimScale workbench. The procedure is similar to uploading a geometry. Once uploaded, an entity Uploaded Meshes is added to the simulation tree:

mesh upload in simscale workbench
Figure 1: Uploaded Meshes entity in SimScale.

Currently, SimScale supports two formats for mesh uploads:

  • MED (.med) (version 3.0, 3.1, 3.2, 3.3)
  • OpenFOAM (.foam) native mesh format (ASCII only)

In order to use uploaded meshes successfully within SimScale, the boundaries of your meshes need to be specified. All elements (i.e. nodes, edges, faces or volumes) on which you want to apply boundary conditions or assign a material must be grouped before upload.

Note

Mesh upload is mandatory if Empty 2D, Wedge or Periodic boundary condition needs to be applied.

MED Mesh upload

Simply select a *.med file and upload it. You may also pack it either as *.tar.gz file or a *.zip archive. In order to assign boundary conditions, you need to create groups of either nodes, edges, faces or volumes. If you want to perform a CFD simulation, you will only need face groups (also known as “patches” in OpenFOAM).

OPENFOAM® Mesh upload

To upload an OpenFOAM mesh, simply pack the folder constant of the OpenFOAM case folder and upload it. The constant folder has to contain the polyMesh folder where the actual mesh files are located. Pack the constant folder either as *.tar.gz file or a *.zip archive before uploading. All mesh patches of your polyMesh/boundaries file will be pickable so that boundary conditions can be assigned.

Important

OPENFOAM®’s binary format is not yet supported. Please make sure the mesh is in ASCII format. Hence, please open the file system/controlDict and change the entry writeFormat binary to writeFormat ascii.

Last updated: August 12th, 2020

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part of: Meshing in SimScale

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