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Commit b8e9a23a authored by Christophe Geuzaine's avatar Christophe Geuzaine
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Add more warnings about the robustness of the 2D aniso and 3D
algorithms.
parent e8d8c41e
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\input texinfo.tex @c -*-texinfo-*- \input texinfo.tex @c -*-texinfo-*-
@c $Id: gmsh.texi,v 1.72 2003-07-07 16:43:46 geuzaine Exp $ @c $Id: gmsh.texi,v 1.73 2003-07-19 23:35:44 geuzaine Exp $
@c @c
@c Copyright (C) 1997-2003 C. Geuzaine, J.-F. Remacle @c Copyright (C) 1997-2003 C. Geuzaine, J.-F. Remacle
@c @c
...@@ -491,8 +491,8 @@ commands and command arguments to depend on previous calculations (see ...@@ -491,8 +491,8 @@ commands and command arguments to depend on previous calculations (see
@item @item
generate 1D, 2D and 3D simplicial (i.e.@: using line segments, triangles and generate 1D, 2D and 3D simplicial (i.e.@: using line segments, triangles and
tetrahedra) finite element meshes. The performance of the 1D and 2D tetrahedra) finite element meshes. The performance of the 1D and 2D
algorithms is pretty good; the 3D algorithm is still somewhat experimental algorithms is pretty good; the 3D algorithm is still experimental and slow
and slow (see @ref{Mesh module}, and @ref{Tutorial}); (see @ref{Mesh module}, and @ref{Tutorial});
@item @item
specify target element sizes accurately. Gmsh provides several mechanisms to specify target element sizes accurately. Gmsh provides several mechanisms to
control the size of the elements in the final mesh: through interpolation control the size of the elements in the final mesh: through interpolation
...@@ -561,6 +561,11 @@ conforming in the sense of finite element meshes; ...@@ -561,6 +561,11 @@ conforming in the sense of finite element meshes;
the user has no control over the quality of the mesh elements generated by the user has no control over the quality of the mesh elements generated by
the 3D unstructured algorithm; the 3D unstructured algorithm;
@item @item
the 2D anisotropic and the 3D unstructured algorithms are still experimental
and not very robust. If these algorithms fail, try to change some
characteristic lengths to generate meshes that better suit the geometrical
details of the structures;
@item
Gmsh was designed to solve academic test-cases, not industrial-size Gmsh was designed to solve academic test-cases, not industrial-size
problems. You may find that Gmsh is too slow for large problems (with problems. You may find that Gmsh is too slow for large problems (with
thousands of geometric primitives, or millions of mesh/post-processing thousands of geometric primitives, or millions of mesh/post-processing
......
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