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FinEtools: Finite Element tools in Julia

FinEtools is a package for basic operations on finite element meshes: Construction, modification, selection, and evaluation of quantities defined on a mesh. Utilities are provided for maintaining mesh-based data (fields), for defining normals and loads, for working with physical units and coordinate systems, and for integrating over finite element meshes.

The package supports application packages, for instance:

• Meshing;
• Meshing of biomedical images;
• Linear acoustics;
• Heat conduction;
• Linear stress analysis;
• Nonlinear stress analysis;
• Analysis of flexible beam and shell structures;
• Vibration in fluids.

News

• 06/29/2022: Reconfigured documentation.
• 06/15/2022: Added point partitioning.
• 06/15/2022: Added dual connection matrix implementation.
• 05/03/2022: Updated project to Julia 1.7.2: Julia 1.6 is not supported from version 5.4.0 on.
• 01/26/2022: Added assembler for sparse diagonal matrices (such as the mass matrix for explicit finite element methods).
• 01/25/2022: Added export of a ParaView collection of a time sequence of data.
• 12/03/2021: Added a utility to generate a random-looking triangular mesh.
• 11/17/2021: Added utility to distort a block of mesh.
• 09/21/2021: Fixed import problems for Abaqus files.
• 08/29/2021: Mesh export/import in the HDF5 format using DataDrop.
• 08/12/2021: Added quadrilateral mesh generation by extrusion of a wire.
• 08/12/2021: Added triangle mesh generation for circular segments.
• 07/14/2021: Implemented the mechanism of the "delegate of" to facilitate creation of user-defined finite elements.
• 04/08/2021: Implemented export of VTK binary files using WriteVTK.
• 02/20/2021: Implemented extrusion of triangular meshes into tetrahedra.
• 02/07/2021: Tests clean with Julia 1.6 release candidate.
• 12/07/2020: Export of meshes in the .mesh format with the labels enabled.
• 08/02/2020: Enabled permuting of nodes in the field.
• 02/29/2020: Many new tests added. Code coverage enabled.
• 01/23/2020: Dependencies have been updated to work with Julia 1.3.1.
• 01/02/2020: Matrix multiplication code improved with the help of the LoopVectorization package.

Past news

Get FinEtools

This package is registered, and hence one can do just

] add FinEtools

Only version 1.x and the nightly builds of Julia are supported. The best bet is the latest stable Julia.

Testing

] test FinEtools

Usage and Documentation

Tutorials in the form of marked-down Julia source files using the Literate workflow are available and more will be added in the near future. Each application package has some tutorials. For a complete list refer to the search.

The package has been used to build applications for various purposes. For a complete list refer to the search.

The documentation is published as Github pages.