calc_meshdata

Version 1.3.0.0 (1,3 Mo) par Immanuel Anjam
Calculates the affine transformations for integration in 2D/3D via the unit triangle/tetrahedron.
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Mise à jour 26 sept. 2014

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Calculates the affine transformations needed for integration in 2D/3D via the unit reference triangle/tetrahedron. In 2D the function takes as its input the matrices p,e,t given by initmesh/poimesh (PDEtool toolbox), and calculates the affine transformations for each triangle simultaneously in a vectorized manner. In 3D we use Tetgen meshes.
With a 2009 MacBook Pro laptop, calculating the affine transformations for a mesh of 2 million triangles takes about 1.2 seconds.

We also demonstrate how to use this data to perform fast vectorized calculation of integral values over 2D and 3D meshes.

Citation pour cette source

Immanuel Anjam (2025). calc_meshdata (https://www.mathworks.com/matlabcentral/fileexchange/37606-calc_meshdata), MATLAB Central File Exchange. Extrait(e) le .

Compatibilité avec les versions de MATLAB
Créé avec R2012a
Compatible avec toutes les versions
Plateformes compatibles
Windows macOS Linux
Remerciements

Inspiré par : inttet, read_tetgenmesh

A inspiré : Fast FEM assembly: edge elements

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2d/

Version Publié le Notes de version
1.3.0.0

Examples of vectorized calculation of integrals.
1.2.0.0

Added a function giving 2d integration quadratures.
1.1.0.0

The same in 3D too.
1.0.0.0