VGRID, VGRIDns (Navier-Stokes version)

MESHING
RESEARCH
CORNER

MESH/GRID
GENERATION
SOFTWARE
SURVEY

Contact: Shahyar Z. Pirzadeh

Email: s.pirzadeh@larc.nasa.gov

Web Site: http://ad-www.larc.nasa.gov/tsab/tetruss/

Availability: Public Domain, Stand-alone Mesh/Grid Generator

Customer Support: Yes

Approximate Number of Users: 190

Pricing: Free

Platform: UNIX (SGI)

Input: Native, IGES

also IGES, PLOT3D, etc. through an interface

Engineering Discipline: CFD

Elements: Triangle, Tetrahedra

Surface Meshing: Yes

Tri/Tet Method: Advancing Front

Advancing-Front for "inviscid" and Advancing-Layers for "viscous" grids.

Element Sizing Method: Manual

Manual placement of source elements in a "transparent" Cartesian background grid and automatic solution to an elliptic PDE.

Other Features: Boundary Layers, Adaptivity, Anisotropy, Refinement

viscous (boundary-layers) grids, anisotropic multi-directional stretching, restart capability, local remeshing, grid movement, adaptive refinement (under development).

Comments:

VGRID is part of the NASA Langley's Tetrahedral Unstructured-grid Software System (TetrUSS) including geometry set-up, grid generation, flow solution, and analysis.