smesh/doc/salome/gui/SMESH/input/ghs3d_hypo.doc

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\page ghs3d_hypo_page GHS3D Parameters hypothesis

\n GHS3D Parameters hypothesis works only with <b>Tetrahedron (GHS3D)</b> 
algorithm. This algorithm is a commercial software.

\image html ghs3d_parameters_basic.png

<ul>
<li><b>Name</b> - allows to define the name of the hypothesis (GHS3D 
Parameters by default).</li>

<li><b>To mesh holes</b> - if checked, the algorithm will 
create mesh in the holes inside a solid shape, else only the outermost
shape will be meshed. Volumic elements created within holes are bound
to the solid.</li>

<li><b>Optimization level</b> - allows choosing the required
optimization level: none, light, medium or strong. Higher level of
optimisation provides better mesh, but can be time-consuming.
</li>

\image html ghs3d_parameters_advanced.png

<li><b>Maximum memory size</b> - launches ghs3d software with
work space limited to the specified amount of RAM, in Mbytes. If this option is
checked off, the software will be launched with 7O% of the total RAM space. </li>

<li><b>Initial memory size</b> - starts ghs3d software with
the specified amount of work space, in Mbytes. If this option is checked off, the
software will be started with 100 Megabytes of working space. </li>

<li><b>Working directory</b> - allows defining the folder for input and output
files of ghs3d software, which are the files starting with "GHS3D_" prefix. </li>

<li><b>Keep working files</b> - allows checking input and output files
of ghs3d software, while usually these files are removed after the
launch of the mesher.</li>

<li><b>Verbose level</b> - to choose verbosity level in the range from
0 to 10.
<ul> <li>0, no standard output,
</li><li>2, prints the data, quality statistics of the skin and final
meshes and indicates when the final mesh is being saved. In addition
the software gives indication regarding the CPU time.
</li><li>10, same as 2 plus the main steps in the computation, quality
statistics histogram of the skin mesh, quality statistics histogram
together with the characteristics of the final mesh.
</li></ul></li>

<li><b>To create new nodes</b> - if this option is checked off, ghs3d
tries to create tetrahedrons using only the nodes of the 2D mesh.</li>

<li><b>To use boundary recovery version</b> - enables using a
boundary recovery module which tries to
create volume meshes starting from very poor quality surface meshes
(almost flat triangles on the surface, high density propagation,
extreme aspect ratios, etc.) which fails with the standard version. The
resulting volume mesh will however most likely have a very poor
quality (poor aspect ratio of elements, tetrahedra with a very small
positive volume).</li>

<li><b>Option as text</b> - allows input of any text as command line
for ghs3d. This allows the input of advanced options in a free from. </li>

</ul>

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