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Commit d651c29d authored by Christophe Geuzaine's avatar Christophe Geuzaine
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...@@ -53,8 +53,7 @@ text file makes it possible to automate all treatments (loops, tests ...@@ -53,8 +53,7 @@ text file makes it possible to automate all treatments (loops, tests
and external access methods permit advanced scripting capabilities). A and external access methods permit advanced scripting capabilities). A
brief description of the four modules is given hereafter. brief description of the four modules is given hereafter.
<a name="geometry"></a> <h3><a name="geometry"></a>Geometry: geometrical entity definition</h3>
<h3>Geometry: geometrical entity definition</h3>
Geometries are created in a bottom-up flow by successively defining Geometries are created in a bottom-up flow by successively defining
points, oriented curves (segments, circles, ellipses, splines, etc.), points, oriented curves (segments, circles, ellipses, splines, etc.),
...@@ -66,8 +65,7 @@ the ASCII input files. The scripting possibilities (with loops, ...@@ -66,8 +65,7 @@ the ASCII input files. The scripting possibilities (with loops,
tests, arrays of variables, etc.) allow fully parametrized definitions tests, arrays of variables, etc.) allow fully parametrized definitions
of all geometrical entities. of all geometrical entities.
<a name="mesh"></a> <h3><a name="mesh"></a>Mesh: finite element mesh generation</h3>
<h3>Mesh: finite element mesh generation</h3>
A finite element mesh is a tessellation of a given subset of A finite element mesh is a tessellation of a given subset of
R<sup>3</sup> by elementary geometrical elements of various shapes (in R<sup>3</sup> by elementary geometrical elements of various shapes (in
...@@ -81,15 +79,15 @@ vertices (which allows the orientation of all their lower order ...@@ -81,15 +79,15 @@ vertices (which allows the orientation of all their lower order
geometrical entities) but no predefined relation is assumed between geometrical entities) but no predefined relation is assumed between
any two elementary elements. any two elementary elements.
<p> <p>
The procedure follows the same order as for the geometry creation: The mesh generation is performed in the same order as the geometry
curves are discretized first; the mesh of the curves is then used to creation: curves are discretized first; the mesh of the curves is then
mesh the surfaces; then the mesh of the surfaces is used to mesh the used to mesh the surfaces; then the mesh of the surfaces is used to
volumes. This automatically assures the continuity of the mesh when, mesh the volumes. This automatically assures the continuity of the
for example, two surfaces share a common curve. Every meshing step is mesh when, for example, two surfaces share a common curve. Every
constrained by the characteristic length field, which can be uniform, meshing step is constrained by the characteristic length field, which
specified by characteristic length associated to elementary can be uniform, specified by characteristic length associated to
geometrical entities, or associated to another mesh (the background elementary geometrical entities, or associated to another mesh (the
mesh). background mesh).
<p> <p>
For each meshing step (i.e. the discretization of lines, surfaces and For each meshing step (i.e. the discretization of lines, surfaces and
volumes), all structured mesh directives are executed first, and serve volumes), all structured mesh directives are executed first, and serve
...@@ -117,8 +115,7 @@ characteristic length field evaluated at the center of its ...@@ -117,8 +115,7 @@ characteristic length field evaluated at the center of its
circumscribed circle/sphere. circumscribed circle/sphere.
</ol> </ol>
<a name="solver"></a> <h3><a name="solver"></a>Solver: external solver interface</h3>
<h3>Solver: external solver interface</h3>
External solvers can be interfaced with Gmsh through a socket External solvers can be interfaced with Gmsh through a socket
mechanism, which permits to easily launch computations either locally mechanism, which permits to easily launch computations either locally
...@@ -126,8 +123,7 @@ or on remote computers, and to collect and exploit the simulation ...@@ -126,8 +123,7 @@ or on remote computers, and to collect and exploit the simulation
results within Gmsh. The only solver currently interfaced is <A results within Gmsh. The only solver currently interfaced is <A
HREF="/getdp/">GetDP</A>. HREF="/getdp/">GetDP</A>.
<a name="post-processing"></a> <h3><a name="post-processing"></a>Post-processing: scalar and vector field visualization</h3>
<h3>Post-processing: scalar and vector field visualization</h3>
Multiple post-processing scalar or vector maps can be loaded and Multiple post-processing scalar or vector maps can be loaded and
manipulated (globally or individually) along with the geometry and the manipulated (globally or individually) along with the geometry and the
...@@ -216,14 +212,13 @@ in order for Gmsh to find the libraries. ...@@ -216,14 +212,13 @@ in order for Gmsh to find the libraries.
<h2>Credits</h2> <h2>Credits</h2>
Gmsh is developed by <A Gmsh is developed by <A
HREF="mailto:Remacle@scorec.rpi.edu">Jean-François Remacle</A>
(currently with the <a href="http://www.rpi.edu">Rensselaer
Polytechnic Institute</a>) and <A
HREF="mailto:Christophe.Geuzaine@ulg.ac.be">Christophe Geuzaine</A> HREF="mailto:Christophe.Geuzaine@ulg.ac.be">Christophe Geuzaine</A>
(currently with the <a href="http://www.ulg.ac.be">University of (currently with the <a href="http://www.ulg.ac.be">University of
Liège</a>). Please use <A Liège</a>) and <A HREF="mailto:Remacle@scorec.rpi.edu">Jean-François
HREF="mailto:gmsh@geuz.org">gmsh@geuz.org</A> instead of our personal Remacle</A> (currently with the <a
e-mails to send questions or bug reports! href="http://www.rpi.edu">Rensselaer Polytechnic Institute</a>).
Please use <A HREF="mailto:gmsh@geuz.org">gmsh@geuz.org</A> instead of
our personal e-mails to send questions or bug reports!
<h2>Gallery</h2> <h2>Gallery</h2>
...@@ -272,7 +267,7 @@ Back to <a href="/">geuz.org</a>. ...@@ -272,7 +267,7 @@ Back to <a href="/">geuz.org</a>.
<p> <p>
$Date: 2001-10-13 07:45:49 $ $Date: 2001-10-13 08:56:10 $
</BODY> </BODY>
</HTML> </HTML>
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