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<h1 align="center">Gmsh: a three-dimensional finite element mesh
generator with built-in pre- and post-processing facilities</h1>
<h4 align="center">Christophe Geuzaine and Jean-François Remacle</h4>
<h4 align="center">Version 2.8.3, September 27 2013</h4>
<center>
<a href="#Description">Description</a> |
<a href="#Download"><strong>Download</strong></a> |
<a href="#Authors">Authors and credits</a> |
<a href="#Documentation">Documentation</a> |
<a href="#Licensing">Licensing</a> |
<a href="#Screenshots">Screenshots</a> |
<a href="#Links">Links</a> |
<a href="#References">References</a>
</center>
<h2><a name="Description"></a>Description</h2>
Gmsh is a 3D finite element grid generator with a build-in CAD engine
and post-processor. Its design goal is to provide a fast, light and
user-friendly meshing tool with parametric input and advanced
visualization capabilities. Gmsh is built around four modules:
geometry, mesh, solver and post-processing. The specification of any
input to these modules is done either interactively using the
graphical user interface or in ASCII text files using Gmsh's own
scripting language.
<p>
See the screencasts for a <a href="screencasts/">quick tour of
Gmsh's graphical user interface</a>, or the reference manual for a
more thorough <a href="doc/texinfo/gmsh.html#Overview">overview
of Gmsh's capabilities</a> and some
<a href="doc/texinfo/gmsh.html#Frequently-asked-questions">frequently
asked questions</a>.
<h2><a name="Download"></a>Download</h2>
Gmsh is distributed under the terms of
the <a href="doc/LICENSE.txt">GNU General Public License
(GPL)</a>:
<ul>
<li>
<p class="highlight"> <strong>Current stable release</strong>: Windows
<a href="bin/Windows/gmsh-2.8.3-Windows.zip"><strong>32 bit</strong></a> /
<a href="bin/Windows/gmsh-2.8.3-Windows64.zip"><strong>64 bit</strong></a>,
Linux
<a href="bin/Linux/gmsh-2.8.3-Linux.tgz"><strong>32 bit</strong></a> /
<a href="bin/Linux/gmsh-2.8.3-Linux64.tgz"><strong>64 bit</strong></a>,
<a href="bin/MacOSX/gmsh-2.8.3-MacOSX.dmg"><strong>Mac OS X</strong></a>
and
<a href="src/gmsh-2.8.3-source.tgz"><strong>source code</strong></a>
</p>
<p>
<em>A <a href="doc/texinfo/gmsh.html#Tutorial"><strong>tutorial</strong></a>
introducing all key features and concepts is included in all the
versions in the <code>tutorial</code> directory. <br>Make sure to read
these examples before sending questions or bug reports!</em>
<li>Development version:
<ul><li>automated nightly builds
(<a href="http://onelab.info/CDash/index.php?project=Gmsh">dashboard</a>):
Windows
<a href="bin/Windows/gmsh-svn-Windows.zip">32 bit</a> /
<a href="bin/Windows/gmsh-svn-Windows64.zip">64 bit</a>,
Linux
<a href="bin/Linux/gmsh-svn-Linux.tgz">32 bit</a> /
<a href="bin/Linux/gmsh-svn-Linux64.tgz">64 bit</a>
and
<a href="bin/MacOSX/gmsh-svn-MacOSX.dmg">Mac OS X</a>
<li>nightly <a href="src/gmsh-svn-source.tgz">source
snapshot</a>
<li>read-only svn access: '<code>svn co
<a href="https://geuz.org/svn/gmsh/trunk">https://geuz.org/svn/gmsh/trunk</a>
gmsh</code>' (username: gmsh, password: gmsh)
</ul>
<li>Browse all versions: <a href="bin/">binaries</a>
and <a href="src/">sources</a>
</ul>
If you use Gmsh please cite the following reference in your work (books,
articles, reports, etc.): <a href="doc/preprints/gmsh_paper_preprint.pdf">C. Geuzaine and
J.-F. Remacle. <em>Gmsh: a three-dimensional finite element mesh generator with
built-in pre- and post-processing facilities</em>. International Journal for
Numerical Methods in Engineering 79(11), pp. 1309-1331, 2009</a>. You can also
cite additional references for <a href="#References">specific features and
algorithms</a>.
<h2><a name="Authors"></a>Authors and credits</h2>
Gmsh is developed by <a href="http://www.montefiore.ulg.ac.be/~geuzaine">Christophe
Geuzaine</a> and <a href="http://perso.uclouvain.be/jean-francois.remacle">Jean-François
Remacle</a>. The <a href="doc/CREDITS.txt">CREDITS</a> file has
more information.
<p>
Please use the public mailing list <a HREF="mailto:gmsh@geuz.org">gmsh@geuz.org</a>
to send questions or ask for help. If you think you have found a bug in the
program, you can file a report directly
<a href="https://geuz.org/trac/gmsh/newticket">here</a> (username:
gmsh, password: gmsh).
<h2><a name="Documentation"></a>Documentation</h2>
<ul>
<li><a href="doc/texinfo/gmsh.html">Reference manual</a>
(also available in
<a href="doc/texinfo/gmsh.pdf">PDF</a> or in
<a href="doc/texinfo/gmsh.txt">plain text</a>)
<li><a href="screencasts/">Screencasts</a> showing how to use
the graphical user interface
<li><a href="https://geuz.org/trac/gmsh">Wiki</a> with examples, a
<a href="https://geuz.org/trac/gmsh/timeline">time line</a> of
changes and the <a href="https://geuz.org/trac/gmsh/report/3">bug
tracking</a> database (username: gmsh, password: gmsh) <li><a href="doc/VERSIONS.txt">Version history</a>
<li>Mailing lists:
<ul>
<li><a href="/mailman/listinfo/gmsh/">gmsh</a>
(archived <a href="/pipermail/gmsh/">here</a>) is the public
mailing list for Gmsh discussions, and is the best place to
ask questions (and get answers!)
<li><a href="/mailman/listinfo/gmsh-announce/">gmsh-announce</a> (archived
<a href="/pipermail/gmsh-announce/">here</a>) is a moderated
("read-only") list for announcements about new releases and
other Gmsh news
</ul>
</ul>
<p>
<form method="get" action="http://www.geuz.org/search/search-geuz.cgi">
<input size="30" name="q" value="">
<input type="submit" value="Search!">
<input type="hidden" name="ps" value="10">
<select name="ul">
<option value="/gmsh" SELECTED>All Gmsh resources
<option value="/gmsh/doc/">Gmsh documentation
<option value="/pipermail/gmsh">Gmsh mailing list archives
</select>
</form>
<h2><a name="Licensing"></a>Licensing</h2>
Gmsh is copyright (C) 1997-2013 by C. Geuzaine and J.-F. Remacle and
is distributed under the terms of
the <a href="doc/LICENSE.txt">GNU General Public License
(GPL)</a> (Version 2 or later, with an exception to allow for easier
linking with external libraries).
<p>
In short, this means that everyone is free to use Gmsh and to
redistribute it on a free basis. Gmsh is not in the public domain; it
is copyrighted and there are restrictions on its distribution (see the
license and the
related <a href="http://www.gnu.org/copyleft/gpl-faq.html">frequently
asked questions</a>). For example, you cannot integrate this version
of Gmsh (in full or in parts) in any <em>closed-source</em> software
you plan to distribute (commercially or not). If you want to integrate
parts of Gmsh into a closed-source software, or want to sell a
modified closed-source version of Gmsh, you will need to obtain a
different license. Please <a href="/">contact us directly</a> for more
information.
<h2><a name="Screenshots"></a>Screenshots</h2>
<a href="gallery/screenshot.png"><img src="gallery/thumbnail.png"
alt="Screenshot thumbnail"></a>
<ul>
<li>Sample STEP/BREP models:
<a href="gallery/bike.png">bike</a>,
<a href="gallery/Zylkopf3D.png">zylkopf</a>,
<a href="gallery/TapGeo.png">tap</a>,
<a href="gallery/linkrods3Db.png">linkrods</a>,
<a href="gallery/Block3D.png">block</a>,
<a href="gallery/hammer.png">hammer</a>,
<a href="gallery/propeller.png">propeller</a>,
<a href="gallery/piston.png">piston</a>,
<a href="gallery/pump.png">pump</a> (EDF R&D).
<li>Native models:
<a href="gallery/MURUROA.png">ocean</a>,
<a href="gallery/violin.png">violin</a> (S. Hardesty)
<a href="gallery/magnetron3.gif">magnetron 1</a>,
<a href="gallery/magnetron4.gif">magnetron 2</a> (P. Lefèvre),
<a href="gallery/breaker.gif">circuit breaker</a> (S. K. Choi),
<a href="gallery/machine.gif">electrical machine</a> (J. Gyselinck), <a href="gallery/tresse1.gif">braid 1</a>,
<a href="gallery/tresse2.gif">braid 2</a> (D. Colignon).
<li>Mesh around an airplane:
<a href="gallery/a319_4.png">A319 1</a>,
<a href="gallery/a319_2.png">A319 2</a>.
<li>Structured vs. unstructured grids:
<a href="gallery/spirale.gif">spirale</a>,
<a href="gallery/piece1.gif">unstructured</a>,
<a href="gallery/piece2.gif">structured tet</a>,
<a href="gallery/piece3.gif">structured hex/pri</a>.
<li>Post-processing:
<a href="gallery/hugo.png">Isosurfaces and vector fields</a>,
<a href="gallery/sebastian_lehmann.divx">Streamlines</a> (S. Lehmann),
<a href="gallery/f16_stream.jpg">F16 streamlines</a>,
<a href="gallery/f18_stream.jpg">F18 streamlines</a>,
<a href="gallery/pressure-ring.png">pressure ring</a>,
<a href="gallery/boeing.jpg">Boing</a> (P. Geuzaine),
<a href="gallery/blob.gif">post-pro</a>,
<a href="gallery/contact.png">post-pro 2</a>,
<a href="gallery/cmap.png">colormaps</a>.
<li>Miscellaneous features:
<a href="gallery/lenna.gif">Lenna as background mesh</a>,
<a href="gallery/spiranim.gif">animated cutting spiral</a>,
<a href="gallery/select.png">selection</a>,
<a href="gallery/runner.png">clipping</a>.
<li>Various screen captures:
<a href="gallery/screenshot1.gif">magnetron</a>,
<a href="gallery/screenshot2.gif">F16</a>,
<a href="gallery/screenshot3.gif">electrical machine</a>,
<a href="gallery/screenshot4.gif">neutron scattering</a>.
</ul>
<h2><a name="Links"></a>Links</h2>
<ul>
<li>Gmsh imports STEP, IGES and BREP files thanks
to <a href="http://www.opencascade.org">OpenCascade</a>.
<li>Gmsh interfaces the following additional external mesh
generators: <a href="http://www.hpfem.jku.at/netgen/">Netgen</a> from
Joachim Schöberl
and <a href="http://tetgen.berlios.de/index.html">TetGen</a> from Hang
Si.
<li>Gmsh's high quality vector PostScript, PDF and SVG output is
produced by <a href="/gl2ps/">GL2PS</a>.
<li>Gmsh's cross-platform graphical user interface is based
on <a href="http://www.fltk.org/">FLTK</a>
and <a href="http://www.opengl.org/">OpenGL</a>.
<li>Make sure to also check out <a href="/getdp/">GetDP</a>, a rather
general finite element code that can be used right from Gmsh's
graphical user interface.
</ul>
<h2><a name="References"></a>References</h2>
<div class="small">
Gmsh
<ul class="small">
<li>C. Geuzaine and J.-F. Remacle. <em>Gmsh: a three-dimensional finite
element mesh generator with built-in pre- and post-processing
facilities</em>. International Journal for Numerical Methods in
Engineering 79(11), pp. 1309-1331, 2009.
(<a href="doc/preprints/gmsh_paper_preprint.pdf">PDF</a>)
</li>
</ul>
Cross-patch and STL meshing (Compounds)
<ul class="small">
<li>J.-F. Remacle, C. Geuzaine, G. Compère and
E. Marchandise. <em>High-quality surface remeshing using harmonic
maps</em>. International Journal for Numerical Methods in Engineering
83(4), pp. 403-425, 2010. (<a href="doc/preprints/gmsh_stl_preprint.pdf">PDF</a>)
<li>E. Marchandise, C. Carton de Wiart, W. G. Vos, C. Geuzaine and
J.-F. Remacle. <em>High quality surface remeshing using harmonic
maps. Part II: surfaces with high genus and of large aspect ratio</em>.
International Journal for Numerical Methods in Engineering 86(11),
pp. 1303-1321, 2011.
(<a href="doc/preprints/gmsh_stl2_preprint.pdf">PDF</a>)
<li>E. Marchandise, J.-F. Remacle and C. Geuzaine. <em>Optimal
parametrizations for surface remeshing</em>. Engineering with Computers,
December 2012, pp. 1-20.
(<a href="doc/preprints/gmsh_stl3_preprint.pdf">PDF</a>)
</ul>
Quad meshing (Blossom and DelQuad)
<ul class="small">
<li>
J.-F. Remacle, J. Lambrechts, B. Seny, E. Marchandise, A. Johnen and
C. Geuzaine. <em>Blossom-Quad: a non-uniform quadrilateral mesh generator
using a minimum cost perfect matching algorithm</em>. International
Journal for Numerical Methods in Engineering 89, pp. 1102-1119, 2012.
(<a href="doc/preprints/gmsh_quad_preprint.pdf">PDF</a>)
<li>J.-F. Remacle, F. Henrotte, T. Carrier-Baudouin, E. Béchet,
E. Marchandise, C. Geuzaine and T. Mouton. <em>A frontal Delaunay quad
mesh generator using the L∞ norm</em>. International Journal for
Numerical Methods in Engineering, 94(5), pp. 494-512, 2013.
(<a href="doc/preprints/gmsh_quad2_preprint.pdf">PDF</a>)
</ul>
High-order meshing
<ul class="small">
<li>A. Johnen, J.-F. Remacle and C. Geuzaine. <em>Geometric validity of
high-Order triangular finite elements</em>. Engineering with Computers, in
press, 2012.
(<a href="doc/preprints/gmsh_curved2_preprint.pdf">PDF</a>)
<li>A. Johnen, J.-F. Remacle and C. Geuzaine. <em>Geometric validity of
curvilinear finite elements</em>. Journal of Computational Physics, in
press, 2012.
(<a href="doc/preprints/gmsh_curved_preprint.pdf">PDF</a>)
<li>T. Toulorge, C. Geuzaine, J.-F. Remacle, J. Lambrechts. <em>Robust
untangling of curvilinear meshes</em>. Journal of Computational Physics
254, pp. 8-26, 2013.
(<a href="doc/preprints/gmsh_untangling_preprint.pdf">PDF</a>)
</ul>
High-order visualization
<ul class="small">
<li>J.-F. Remacle, N. Chevaugeon, E. Marchandise and
C. Geuzaine. <em>Efficient visualization of high-order finite
elements</em>. International Journal for Numerical Methods in Engineering
69(4), pp. 750-771, 2007. (<a href="doc/preprints/gmsh_visu_preprint.pdf">PDF</a>)
</ul>
Homology solver
<ul class="small">
<li>M. Pellikka, S. Suuriniemi, L. Kettunen and C. Geuzaine. <em>Homology
and cohomology computation in finite element modeling</em>. SIAM Journal
on Scientific Computing 35(5), pp. 1195-1214, 2013.
(<a href="doc/preprints/gmsh_homology_preprint.pdf">PDF</a>)
</ul>
<!--
Ocean meshing
<ul class="small">
<li>J. Lambrechts, R. Comblen, V. Legat, C. Geuzaine and
J.-F. Remacle. <em>Multiscale mesh generation on the sphere</em>. Ocean
Dynamics, 58, pp. 461-473, 2008.
(<a href="doc/preprints/gmsh_ocean_preprint.pdf">PDF</a>)
</ul>
Biomedical meshing
<ul class="small">
<li>E. Marchandise, G. Compère, M. Willemet, G. Bricteux, C. Geuzaine and
J-F Remacle. <em>Quality meshing based on STL triangulations for
biomedical simulations</em>. International Journal for Numerical Methods
in Biomedical Engineering 26(7), pp. 876-889,
2010. (<a href="doc/preprints/gmsh_bio_preprint.pdf">PDF</a>) <li>E. Marchandise, P. Crosetto, C. Geuzaine, J.-F. Remacle and
E. Sauvage. <em>Quality open source mesh generation for cardiovascular
flow simulations</em>, in Modelling Physiological Flow, Springer Series on
Modeling, Simulation and Applications (Editors: D. Ambrosi, A. Quarteroni,
G. Rozza). Springer-Verlag, Berlin Heidelberg, 2011.
(<a href="doc/preprints/gmsh_bio2_preprint.pdf">PDF</a>)
<li>E. Marchandise, C. Geuzaine and J.-F. Remacle. <em>Cardiovascular and
lung mesh generation based on centerlines</em>. International Journal for
Numerical Methods in Biomedical Engineering, submitted,
2012. (<a href="doc/preprints/gmsh_bio3_preprint.pdf">PDF</a>)
</ul>
-->
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