\n GHS3D Parameters hypothesis works only with <b>Tetrahedron (GHS3D)</b>
algorithm. This algorithm is a commercial software.
+<h1>General parameters</h1>
+
\image html ghs3d_parameters_basic.png
<ul>
optimisation provides better mesh, but can be time-consuming.
</li>
+<h1>Advanced parameters</h1>
+
\image html ghs3d_parameters_advanced.png
<li><b>Maximum memory size</b> - launches ghs3d software with
<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 remove initial central point</b> - TetMesh-GHS3D adds an internal point
+at the centre of gravity of the bounding box in order to speed up and to simplify
+the meshing process. It is however possible for TetMesh-GHS3D to refrain from creating
+this point by using the command line option -no initial central point. This can be
+particularly useful to generate a volume mesh without internal points at all, and in some rare cases,
+to help the boundary regeneration phase when it failed with the standard options (for example when
+one dimension of the domain is large compared to the other two, with a ratio of 20 or more).
+Use this option when the boundary regeneration failed with the standard parameters and before using
+the recovery version (command line option -C).
+Note: when using this option, the speed of the meshing process may decrease, and quality may change.
+Note: the boundary regeneration may fail with this option, in some rare cases.</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
quality (poor aspect ratio of elements, tetrahedra with a very small
positive volume).</li>
+<li><b>To use FEM correction</b> - Applies finite-element correction by
+replacing overconstrained elements where it is possible. The process is
+first slicing the overconstrained edges and second the overconstrained
+facets. This ensures that no edges have two boundary vertices and that
+no facets have three boundary vertices. TetMesh-GHS3D gives the initial
+and final overconstrained edges and facets. It also gives the facets
+which have three edges on the boundary.
+Note: when using this option, the speed of the meshing process may
+decrease, quality may change, and the smallest volume may be smaller.
+The default is no correction.</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>
