Mesh+Generation+(in+meteo+problems)


 * Mesh generation specifically designed for meteorological problems but usable with any type of geometry **


 * **3D HEXA Mesh generator (for volumes with topography).**
 * This is the first version. More options will be added with time.


 * 1) Download from: mmesh3d.wikispaces.com/


 * A simple grid generator for structured grids (HEXA and WEDGE) with topography on the lower surface.
 * It prints 2 output files: as follows
 * 3Dstructured_mesh.vtk for plotting with a VTK reader
 * 3Dstructured_mesh.msh with the structure shown below

\ code ELEMENTS iel node1 node2 node3 node4 node5 node6 node7 node8 ... END_ELEMENTS COORDINATES icoord Xi Yi Zi END_COORDINATES code


 * Structured mesh of QUADS and three different TRI configurations built around an arbitrary obstacle:


 * [[image:meshQUAD.jpeg width="509" height="509" caption="QUAD"]] ||
 * [[image:meshTRI30000.jpeg width="509" height="509" caption="TRI type 1"]] ||
 * [[image:meshTRI10000.jpeg width="509" height="509" caption="TRI type 2"]] ||
 * [[image:meshTRI20001.jpeg width="509" height="509" caption="TRI type 3"]] ||


 * Sample of mesh with Schar vertical distribution of the nodes.
 * Colored by the degree of distorsion in terms of maximum angle (Post processing done with VisIt):


 * 3 Images showing the different vertical level distributions using a SIGMA-coordinate system, a
 * HYBRID with scaling factor s=8km, and a SCHAR with s1=15000m and s2=2500m


 * [[image:sigma.jpg width="497" height="397" caption="SIGMA"]] ||
 * [[image:hybrid_s-8000m.jpg width="495" height="399" caption="Hybrid with s=8km"]] ||
 * [[image:schar_s1-15km_s2-2500m.jpg width="472" height="412" align="right" caption="Schar s1=15km, s2=2.5km"]] ||