Commit a1c0a020 by Christophe Geuzaine

new reparam stragety

parent f7560d22
Pipeline #757 failed with stage
in 31 minutes 53 seconds
......@@ -27,32 +27,15 @@ Line Loop(11) = {5, 6, 9, 4}; Surface(12) = {11};
Line Loop(13) = {9, -3, -10, -7}; Surface(14) = {13};
Line Loop(15) = {10, -2, -1, -8}; Surface(16) = {15};
// FIXME - the global "meshDiscrete" option will be replaced by meshing
// constraints
General.MeshDiscrete = 1;
// Treat lines 2, 3 and 4 as a single line
Compound Line(100) = {2, 3, 4};
Compound Line{2, 3, 4};
// Idem with lines 6, 7 and 8
Compound Line(101) = {6, 7, 8};
Compound Line{6, 7, 8};
// Treat surfaces 12, 14 and 16 as a single surface
Compound Surface(200) = {12, 14, 16};
// Add option to toggle visibility of sub-entities
DefineConstant[ hide = {Geometry.HideCompounds, Choices{0,1},
Name "Hide compound sub-entities", GmshOption "Geometry.HideCompounds",
AutoCheck 0} ];
// More details about the reparametrization technique can be found in the
// following papers:
//
// * J.-F. Remacle, C. Geuzaine, G. Compère and E. Marchandise, "High-Quality
// Surface Remeshing Using Harmonic Maps", International Journal for Numerical
// Methods in Engineering, 83 (4), pp. 403-425, 2010.
//
// * E. Marchandise, G. Compère, M. Willemet, G. Bricteux, C. Geuzaine and J-F
// Remacle, "Quality meshing based on STL triangulations for biomedical
// simulations", International Journal for Numerical Methods in Biomedical
// Engineering", 26 (7), pp. 876-889, 2010.
//
// * E. Marchandise, C. Carton de Wiart, W. G. Vos, C. Geuzaine and
// J.-F. Remacle, "High Quality Surface Remeshing Using Harmonic Maps. Part
// II: Surfaces with High Genus and of Large Aspect Ratio", International
// Journal for Numerical Methods in Engineering, 86 (11), pp. 1303-1321, 2011.
Compound Surface{12, 14, 16};
......@@ -10,54 +10,36 @@
// them to remesh STL files, even if in this case there's usually only a single
// elementary geometrical entity per compound.
// FIXME - the global "meshDiscrete" option will be replaced by meshing
// constraints "Compound Surface{...};"
General.MeshDiscrete = 1;
// Let's merge the mesh that we would like to remesh. This mesh was reclassified
// ("colored") from an initial STL triangulation using the "Reclassify 2D" tool
// in Gmsh, so that we could split it along sharp geometrical features.
Merge "t13_data.msh";
// Since the original mesh is a bit coarse, we refine it once
RefineMesh;
// Create the topology of the discrete model
CreateTopology;
// We can now define a compound line (resp. surface) for each discrete line
// (resp. surface) in the model
// FIXME: this is currently not used
ll[] = Line {:};
For j In {0 : #ll[]-1}
Compound Line(newl) = ll[j];
EndFor
ss[] = Surface {:};
s = news;
For i In {0 : #ss[]-1}
Compound Surface(s+i) = ss[i];
EndFor
// And we can create the volume based on the new compound entities
Surface Loop(1) = {s : s + #ss[]-1};
Surface Loop(1) = {ss[]};
Volume(1) = {1};
Physical Surface(1) = {s : s + #ss[]-1};
Physical Volume(1) = 1;
Physical Line(1) = {26 ... 37};
// element size imposed by a size field
Field[1] = MathEval;
Field[1].F = "2.0";
Background Field = 1;
DefineConstant[
funny = {0, Choices{0,1},
Name "Parameters/Apply funny mesh size field?"},
hide = {Geometry.HideCompounds, Choices{0,1},
AutoCheck 0, GmshOption "Geometry.HideCompounds",
Name "Parameters/Hide compound sub-entities"}
funny = {1, Choices{0,1},
Name "Parameters/Apply funny mesh size field?"}
];
If(funny)
Field[1].F = "2*Sin((x+y)/5) + 3";
EndIf
Mesh.RemeshAlgorithm = 1; // automatic
Mesh.RemeshParametrization = 7; // conformal finite element
Mesh.Algorithm = 6; // Frontal
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment