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Mesh name: Mesh file name: Mandatory:
Mesh Coordinator Mesh creators
Mesh generator Mesh format
Mesh size NX= NY= NZ=
Mesh type Intended use
Mesh description:
Notes:



Download LEISA_IDDES_2D-grid_hybrid for 3-element Airfoil
Coordinator: DLR Creators: NTS/DLR
Mesh size: 183,000 cells Mesh format cgns
Intended use: HYBRID RANS/LES Mesh generator: Pointwise
Mesh type: HYBRID  

Mesh description

Hybrid grid for the LEISA airfoil in cgns-unstructured format. In the important near-wall and wake region (i.e., where LES behaviour is expected) the hybrid grid is identical to the mandatory structured grid. Only in the outer flow up to the farfield, isotropic triangles are used in order to save grid points and to improve convergence of unstructured flow solves. In terms of spacial accuracy, the grid is considered well comparable to the mandatory structured grid.

Notes

All coordinates in the mesh file are normalized w.r.t. the (retracted) chord length of c = 0.6 m.

The mesh file contains only the xy-plane, so the mesh needs to be extruded in z-direction for 3D calculations. Mandatory extrusion settings: nz = 100 (number of spanwise layers), lz/c = 0.08 (spanwise extent)



Topic attachments
I Attachment Action Size Date Who Comment
Unknown file formatcgns LEISA_IDDES_2D-grid_hybrid.cgns manage 16816.0 K 2015-07-08 - 11:21 UnknownUser Hybrid 2D grid for LEISA airfoil (cgns-unstructured format)
Topic revision: r1 - 2015-07-08 - 11:28:29 - AxelProbst
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