TetGen
TetGen is an open source quality tetrahedral mesh generator and 3D Delaunay triangulator. It can generate tetrahedral meshes for given 3D polygonal domains with quality guarantees. It is useful for finite element analysis simulations.
mesh-generation
tetrahedral-mesh
delaunay-triangulation
TetGen: Open Source Tetrahedral Mesh Generator
TetGen is an open source quality tetrahedral mesh generator and 3D Delaunay triangulator, providing high-quality meshes for finite element analysis simulations.
What is TetGen?
TetGen is an open source software for generating tetrahedral meshes of any 3D polyhedral domains. It generates exact Delaunay tetrahedralizations, boundary recovery, and conforming Delaunay tetrahedral meshes. The key features of TetGen include:
- Guaranteed quality tetrahedral meshes with good dihedral angles
- Handles complex geometries with holes, multiple regions, and nested domains
- Variety of options to generate conforming Delaunay meshes
- Fast and robust implementations for large scale meshing problems
- Ports to multiple platforms like Windows, Linux, and macOS
TetGen has applications in numerical simulations based on finite element or finite volume methods. The quality tetrahedral meshes allows accurate solutions for problems in structural mechanics, computational fluid dynamics, electromagnetics etc. It has bindings for programming languages like C++, Python, MATLAB, Julia etc. Overall, TetGen is a versatile, efficient and reliable open source software for generating tetrahedral meshes for complex 3D geometries.
TetGen Features
Features
- 3D Delaunay tetrahedralization
- Mesh refinement
- Mesh optimization
- Mesh quality metrics
- Mesh quality improvement
- Mesh boundary recovery
- Mesh boundary protection
- Mesh constrained Delaunay tetrahedralization
- Mesh constrained Delaunay refinement
- Mesh sizing function specification
- Mesh regional attributes
- Mesh volume constraints
- Mesh surface constraints
- Mesh regional constraints
- Mesh hole insertion
- Mesh diagnostics
Pricing
- Open Source
Pros
Robust and efficient algorithms
High quality tetrahedral meshes
Open source and free to use
Customizable through APIs
Cross-platform
Cons
Limited documentation and examples
Steep learning curve
Command line interface only
Lacks graphical user interface
Official Links
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