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Larry Price
gmsh
Commits
c662fe26
Commit
c662fe26
authored
23 years ago
by
Christophe Geuzaine
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c662fe26
...
@@ -84,21 +84,20 @@ Delaunay algorithm is subdivided in the following five steps for
...
@@ -84,21 +84,20 @@ Delaunay algorithm is subdivided in the following five steps for
surface/volume discretization:
surface/volume discretization:
<p>
<p>
<ol>
<ol>
<li>
<li>
trivial meshing of a box including the convex polygon/polyhedron
trivial meshing of a box including the convex polygon/polyhedron
defined by the boundary nodes resulting from the discretization of the
defined by the boundary nodes resulting from the discretization of the
curves/surfaces;
curves/surfaces;
<li>
creation of the initial mesh by insertion of all the nodes on the
<li>
creation of the initial mesh by insertion of all the nodes on the
curves/surfaces thanks to the Bowyer algorithm;
curves/surfaces thanks to the Bowyer algorithm;
<li>
boundary restoration to force all the edges/faces of the
<li>
boundary restoration to force all the edges/faces of the
curves/surfaces to be present in the initial mesh;
curves/surfaces to be present in the initial mesh;
<li>
suppression of all the unwanted triangles/tetrahedra (in
<li>
suppression of all the unwanted triangles/tetrahedra (in
particular those containing the nodes of the initial box);
particular those containing the nodes of the initial box);
<li>
insertion of new nodes by the Bowyer algorithm until the
<li>
insertion of new nodes by the Bowyer algorithm until the
characteristic size of each simplex is lower or equal to the
characteristic size of each simplex is lower or equal to the
characteristic length field evaluated at the center of its
characteristic length field evaluated at the center of its
circumscribed circle/sphere.
circumscribed circle/sphere.
...
@@ -205,33 +204,33 @@ e-mails to send questions or bug reports!
...
@@ -205,33 +204,33 @@ e-mails to send questions or bug reports!
Some pictures made with Gmsh:
Some pictures made with Gmsh:
<ul>
<ul>
<li>
Meshes of
<li>
Meshes of
<A
href=
"/gmsh/gallery/Mesh1D.gif"
>
lines
</A>
,
<A
href=
"/gmsh/gallery/Mesh1D.gif"
>
lines
</A>
,
<A
href=
"/gmsh/gallery/Mesh2DCiss.gif"
>
surfaces
</A>
and
<A
href=
"/gmsh/gallery/Mesh2DCiss.gif"
>
surfaces
</A>
and
<A
href=
"/gmsh/gallery/Mesh3D.gif"
>
volumes
</A>
<A
href=
"/gmsh/gallery/Mesh3D.gif"
>
volumes
</A>
respecting a given characteristic length field (d(r) = a (sin(X) * sin (Y)) + b).
respecting a given characteristic length field (d(r) = a (sin(X) * sin (Y)) + b).
<li>
3D mesh of an
<li>
3D mesh of an
<A
href=
"/gmsh/gallery/bigelec4.gif"
>
electrical component
</A>
<A
href=
"/gmsh/gallery/bigelec4.gif"
>
electrical component
</A>
(courtesy S.K. Choi).
(courtesy S.K. Choi).
<li>
Part of a
<A
href=
"/gmsh/gallery/shoulder.gif"
>
shoulder bone
</a>
<li>
Part of a
<A
href=
"/gmsh/gallery/shoulder.gif"
>
shoulder bone
</a>
(Javad Fatemi).
(Javad Fatemi).
<li>
A mechanical part in the demo files:
<li>
A mechanical part in the demo files:
<A
href=
"/gmsh/gallery/ex09-0.gif"
>
pict1
</A>
,
<A
href=
"/gmsh/gallery/ex09-0.gif"
>
pict1
</A>
,
<A
href=
"/gmsh/gallery/ex09-1.gif"
>
pict2
</A>
,
<A
href=
"/gmsh/gallery/ex09-1.gif"
>
pict2
</A>
,
<A
href=
"/gmsh/gallery/ex09-2.gif"
>
pict3
</A>
.
<A
href=
"/gmsh/gallery/ex09-2.gif"
>
pict3
</A>
.
<li>
Mach number on a F16
<li>
Mach number on a F16
<A
href=
"/gmsh/gallery/f16-1.gif"
>
pict1
</A>
,
<A
href=
"/gmsh/gallery/f16-1.gif"
>
pict1
</A>
,
<A
href=
"/gmsh/gallery/f16-2.gif"
>
pict2
</A>
,
<A
href=
"/gmsh/gallery/f16-2.gif"
>
pict2
</A>
,
<A
href=
"/gmsh/gallery/f16-3.gif"
>
pict3
</A>
,
<A
href=
"/gmsh/gallery/f16-3.gif"
>
pict3
</A>
,
<A
href=
"/gmsh/gallery/f16-5.gif"
>
pict4
</A>
(courtesy P. Geuzaine).
<A
href=
"/gmsh/gallery/f16-5.gif"
>
pict4
</A>
(courtesy P. Geuzaine).
<li>
Example of on-screen information display:
<li>
Example of on-screen information display:
<A
href=
"/gmsh/gallery/infodisplay1.gif"
>
1
</A>
,
<A
href=
"/gmsh/gallery/infodisplay1.gif"
>
1
</A>
,
<A
href=
"/gmsh/gallery/infodisplay2.gif"
>
2
</A>
.
<A
href=
"/gmsh/gallery/infodisplay2.gif"
>
2
</A>
.
<li>
A 3D
<A
href=
"/gmsh/gallery/adap.gif"
>
adapted mesh
</A>
.
<li>
A 3D
<A
href=
"/gmsh/gallery/adap.gif"
>
adapted mesh
</A>
.
<li>
Smooth 2D
<A
href=
"/gmsh/gallery/blob.gif"
>
colormap
</A>
and
<li>
Smooth 2D
<A
href=
"/gmsh/gallery/blob.gif"
>
colormap
</A>
and
3D
<A
href=
"/gmsh/gallery/density.mov"
>
quicktime movie
</A>
.
3D
<A
href=
"/gmsh/gallery/density.mov"
>
quicktime movie
</A>
.
<li>
Some didactic animations about computational electromagnetics at
<li>
Some didactic animations about computational electromagnetics at
<A
href=
"http://elap.montefiore.ulg.ac.be/elm/demos_en.html"
>
ELAP
</A>
.
<A
href=
"http://elap.montefiore.ulg.ac.be/elm/demos_en.html"
>
ELAP
</A>
.
</ul>
</ul>
...
@@ -247,7 +246,7 @@ Back to <a href="/">geuz.org</a>.
...
@@ -247,7 +246,7 @@ Back to <a href="/">geuz.org</a>.
<p>
<p>
$Date: 2001-10-12 1
7:57:56
$
$Date: 2001-10-12 1
8:28:43
$
</BODY>
</BODY>
</HTML>
</HTML>
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