MegaCads: Multiblock Elliptic Grid Generation and CAD System

MESHING
RESEARCH
CORNER

MESH/GRID
GENERATION
SOFTWARE
SURVEY

Contact: Olaf Brodersen and Prof. Dr. Horst Körner

Email: megacads@dlr.de Olaf.Brodersen@dlr.de

Web Site: http://www.megacads.dlr.de/

Availability: Source Code Available

software (source code) is avialable for partner of the national german MEGAFLOW project.

The executables are now freely avialable on the web at http://beasgi2.ea.bs.dlr.de/megacads/

Customer Support: Yes

Approximate Number of Users: 20-30

Pricing: free for MEGAFLOW partner

Platform: UNIX (SGI-Irix, DEC-Unix, HP-UX, Sun-Solaris, IBM-Aix, Linux, SGI/CRAY-Unicos, NEC-SX4-Unix)

Input: Native, IGES

point coordinates of edges, faces, blocks, IGES (subset only), FLOWer format (flow solver), Tecplot

Engineering Discipline: CFD

Elements: Hexahedra

Surface Meshing: Yes

Quad/Hex Method: Structured Grid Generation

Element Sizing Method: Manual

Other Features: Boundary Layers

• large high quality structured grids for high Reynoldsnumber Navier-Stokes calculations,
  
• parametric block design,
  
• grid generation script language (variables, sub-scripts, loops, etc.),
  
• automatic grid generation when calling a grid generation script again,
  
• elliptic smoothing techniques with advanced control techniques from P.Niederdrenk,
  
• interactive and batch version,
  
• coupling with the flow solver FLOWer for adaption purposes and aerodynamic optimization processes,
  
• open software development platform, source code is avialable
  
• works on low-end X-terminals, on high-end SGI's and efficiently on vector computers (NEC, SGI/Cray)
  
• software quality standards of the MEGAFLOW project applied

Comments:

Last publication:
O. Brodersen, A.Ronzheimer, R.Ziegler, T.Kunert, J.Wild, M.Hepperle:
Aerodynamic Applications using MegaCads. Proc. of 6th International
Conference on Numerical Grid Generation in Computaional Field Simualtions
Ed. M.Cross, J.Haeuser, B.K.Soni, J.F.Thompson, ISGG 1998, pp.793-802