Questions tagged [postprocessing]

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Postprocessing of FEM: extremely slow speed of NIntegrate

I've gone through the documentation for NDSolve FEM. There are quite a lot tips and techniques for accelerating NDSolve, and only quite few tips for post processing. Somehow I found out that the ...
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2 votes
1 answer
89 views

Using My own colorfunction in SMTShowMesh

When plotting the data using SMTShowMesh in AceFEM package I would like to use my own color function not the one that SMTShowMesh uses by default. For this to be achieved, I created my own color ...
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2 votes
0 answers
70 views

Connect the nearest points in segmented image

I am trying computer vision for document analysis of datasheets.And quite new to mathematica My goal is to connect and segment out the part number with part in the drawing considerably something ...
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12 votes
0 answers
444 views

Create vtk file of ParaView from Mathematica [FEM post-processing]

I'm doing FEM in Mathematica and want to visualize the results in Paraview (e.g., create a video of the displacement field). Now I have the element mesh, the displacement and stress fields. How can I ...
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  • 585
3 votes
1 answer
121 views

SMTShowMesh with additional graphics

I make some simulations in AceGen and AceFEM using H1 finite elements. After computations I want to present results, in particular, deformed (or undeformed) mesh with some map (e.g. stress component) ...
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  • 43
3 votes
2 answers
385 views

AceFEM: Show mesh with average element stress

How can I get value of stress (or some other field) in each integration point of finite element with AceFEM package? I need this information to show mesh with values of stress averaged over each ...
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  • 6,373
4 votes
2 answers
129 views

AceFEM: Why SMTShowMesh doesn't show changes in initial configuration?

I am changing initial positions of nodes after the analysis has been initialized (after the SMTAnalysis[...]) and this procedure works fine, but the problem is that ...
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4 votes
2 answers
296 views

AceFEM: How to improve legend in SMTShowMesh?

Note: This question is about AceFEM package for finite element analysis in Mathematica. I would like to improve styling of color legend produced by default use of ...
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7 votes
1 answer
242 views

AceFEM: How to mirror a domain in postprocessing?

Note: This question is about AceFEM package for finite element analysis in Mathematica. In finite element analyses we usually take advantage of symmetry of geometry and loading to model only a ...
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9 votes
0 answers
310 views

Text fields in PDF Export

I am trying to implement a way in Mathematica to export graphics to PDF and then use Inkscape from within Mathematica to post process the resulting output with the pdf-latex export option in Inkscape. ...
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  • 663
11 votes
2 answers
1k views

Unexpected view of the Comsol result when I postprocess it in Mma

I simulated some nonlinear PDE using Comsol. Here one can find the results u=u(x,y) in the form of an Excel table with the terms ...
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12 votes
2 answers
502 views

Integration of a PDE solution over a custom-defined subdomain

Preamble: In my previous question I raised a problem of a custom-chosen integration of the solution of a PDE. In that case it was an integration along a line lying within the PDE domain. The solution ...
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37 votes
2 answers
6k views

How do I remove grid from this photo?

I found this cat a month ago, and I'm not his owners' friend so the mosquito grid was the inevitable problem. I would like to post-process this photo to get rid of it, but I don't know exactly how ...
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  • 552
22 votes
2 answers
817 views

Getting rid of spikes in the PDE solution

Bug introduced in 10.0 and fixed in 10.3 Note: In 10.0, Rationalize[fd, 0] was needed or mesh generation would fail. Preamble: I am solving a PDE in a domain ...
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