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Larry Price
gmsh
Commits
d651c29d
Commit
d651c29d
authored
23 years ago
by
Christophe Geuzaine
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doc/gmsh.html
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d651c29d
...
...
@@ -53,8 +53,7 @@ text file makes it possible to automate all treatments (loops, tests
and external access methods permit advanced scripting capabilities). A
brief description of the four modules is given hereafter.
<a
name=
"geometry"
></a>
<h3>
Geometry: geometrical entity definition
</h3>
<h3><a
name=
"geometry"
></a>
Geometry: geometrical entity definition
</h3>
Geometries are created in a bottom-up flow by successively defining
points, oriented curves (segments, circles, ellipses, splines, etc.),
...
...
@@ -66,8 +65,7 @@ the ASCII input files. The scripting possibilities (with loops,
tests, arrays of variables, etc.) allow fully parametrized definitions
of all geometrical entities.
<a
name=
"mesh"
></a>
<h3>
Mesh: finite element mesh generation
</h3>
<h3><a
name=
"mesh"
></a>
Mesh: finite element mesh generation
</h3>
A finite element mesh is a tessellation of a given subset of
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
geometrical entities) but no predefined relation is assumed between
any two elementary elements.
<p>
The
procedure follows
the same order as
for
the geometry
creation:
curves are discretized first; the mesh of the curves is then
used to
mesh the surfaces; then the mesh of the surfaces is used to
mesh the
volumes. This automatically assures the continuity of the
mesh when,
for example, two surfaces share a common curve. Every
meshing step is
constrained by the characteristic length field, which
can be uniform,
specified by characteristic length associated to
elementary
geometrical entities, or associated to another mesh (the
background
mesh).
The
mesh generation is performed in
the same order as the geometry
creation:
curves are discretized first; the mesh of the curves is then
used to
mesh the surfaces; then the mesh of the surfaces is used to
mesh the
volumes. This automatically assures the continuity of the
mesh when,
for example, two surfaces share a common curve. Every
meshing step is
constrained by the characteristic length field, which
can be uniform,
specified by characteristic length associated to
elementary
geometrical entities, or associated to another mesh (the
background
mesh).
<p>
For each meshing step (i.e. the discretization of lines, surfaces and
volumes), all structured mesh directives are executed first, and serve
...
...
@@ -117,8 +115,7 @@ characteristic length field evaluated at the center of its
circumscribed circle/sphere.
</ol>
<a
name=
"solver"
></a>
<h3>
Solver: external solver interface
</h3>
<h3><a
name=
"solver"
></a>
Solver: external solver interface
</h3>
External solvers can be interfaced with Gmsh through a socket
mechanism, which permits to easily launch computations either locally
...
...
@@ -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
HREF=
"/getdp/"
>
GetDP
</A>
.
<a
name=
"post-processing"
></a>
<h3>
Post-processing: scalar and vector field visualization
</h3>
<h3><a
name=
"post-processing"
></a>
Post-processing: scalar and vector field visualization
</h3>
Multiple post-processing scalar or vector maps can be loaded and
manipulated (globally or individually) along with the geometry and the
...
...
@@ -216,14 +212,13 @@ in order for Gmsh to find the libraries.
<h2>
Credits
</h2>
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>
(currently with the
<a
href=
"http://www.ulg.ac.be"
>
University of
Liège
</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!
Liège
</a>
) and
<A
HREF=
"mailto:Remacle@scorec.rpi.edu"
>
Jean-François
Remacle
</A>
(currently with the
<a
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>
...
...
@@ -272,7 +267,7 @@ Back to <a href="/">geuz.org</a>.
<p>
$Date: 2001-10-13 0
7:45:49
$
$Date: 2001-10-13 0
8:56:10
$
</BODY>
</HTML>
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