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Newest 'mesh' Questions - Mathematica Stack Exchange
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Learn more about TeamsQuestions tagged [mesh]
Questions on the use and creation of meshes including the use of MeshRegion, ElementMesh, and TetGenLink.
879 questions
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5
votes
0
answers
155
views
Can a Mesh be generated directly without using ListContourPlot?
Can a Mesh be generated directly without using ListContourPlot?
Background:
In this quite wonderful answer to Finding optimal ...
4
votes
1
answer
135
views
Mesh Generation for 4D Coordinates
I am trying to create a response surface involving 4 input parameters and 1 output parameter from an unstructured data set with 30 data points from which I can obtain an output value from any ...
3
votes
1
answer
115
views
Single mesh element marker for each boundary region
I am using StructuredMesh for generating a second order mesh for plane figures. Afterwards I use ToBoundaryMesh to generate the ...
3
votes
1
answer
140
views
Properties of DiscretizeRegion
I am interested in various point processes, hyperuniformity etc.
Noticed that the generation of mesh points for DiscretizeRegion is itself an example of point ...
5
votes
1
answer
132
views
Trouble with "RegionMarker" in Mathematica FEM Package
I’m encountering issues while using the "RegionMarker" option to label different subregions in a mesh for solving PDEs with Mathematica’s FEM package (NDSolve/ToElementMesh). Despite ...
10
votes
1
answer
328
views
Kernel crash during RegionDifference of complex 3D meshes + BoundaryMeshRegion::bsuncl error
I'm modeling a screw rotor with cavities (for CAD/CFD analysis). The workflow involves:
Generating the rotor body from 5 parametric surfaces.
Creating cavity profiles from 4 extruded segments.
...
1
vote
0
answers
61
views
Why does the "No Dirichlet condition" warning appear for fine mesh but not for coarse mesh?
It is known that the solution of the Laplace equation with exclusively Neumann boundary conditions is ambiguous. Wolfram Mathematica warns about this by submitting messages like this one:
No ...
5
votes
1
answer
109
views
Could not generate mesh when the mesh count is too large
I am trying to generate 1D mesh points on x axis, shown below:
...
0
votes
0
answers
90
views
PDE Solution not converging
I am trying to determine if my solution converges, by calculating the residual of my PDE. I have already gotten help previously however I realized that the issue still persist. By plotting my solution ...
0
votes
0
answers
48
views
PDE Solution not converging at transition point
I am having issues with getting my solution to converge. Here I calculate the normalised residual and plot it and noticed that the residual is quite high at the transition points (I use multiple tanh ...
7
votes
1
answer
221
views
Structured mesh for a rectangle with two holes inside
I would like to use the FEMAddOns package to make a structured mesh (with quad elements with InterpolationOrder -> 2, "MeshOrder" -> 2 ) with two ...
2
votes
1
answer
136
views
DiscretizeGraphics not working with every Plot3D
Why does this evaluate?
...
2
votes
1
answer
136
views
Examples in SOLID MECHANICS tech notes - how to extract mesh and mesh statistics (no. elements, type, no. nodes, etc..)
I have started to work on the examples presented in the SOLID MECHANICS technical notes. The example I am focusing on is the small, cantilever beam, with a load applied to the end surface.
I have ...
0
votes
0
answers
59
views
0
votes
0
answers
64
views
is it possible to automatically cluster the points constructing iso-surfaces?
I’m working with a hexahedral mesh and analyzing how a level-set function intersects it. Below are the vertices, edges, and facets defining my hexahedron:
...
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