Documentation du code de simulation numérique SUNFLUIDH

Meshgen is a modest mesh generator for cartesian grid. The principle is very simple :

• Each direction {x,y,z} (or {r,$\theta$,z} in cylindrical geometry) is represented by a line.
• Each line can be splitted in several parts over which a distribution law is applied in order to build the discretization nodes.
• Following the CFD code used, these nodes have different definitions :
  • For Chorus, they are the cell centers.
  • For Sunfluidh, they are the cell-face locations.
• Several distribution laws are available
  • Geometric functions
  • Hyperbolic tangent functions
  • Cosine function

After downloading the Meshgen project from the server forge by means of svn:

• go to the directory MESHGEN/TRUNK/SOURCES
• Run the command make: The executable file meshgen.x is created.

The grid parameters are set in the input data file “data_meshgen.dat”.

data_meshgen.dat