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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.

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.

The Best TetGen Alternatives

Top Apps like TetGen

Blender, SALOME, MagicaCSG, picoCAD, Wings 3D, Sensei Format, Dead Deer, Gmsh, HyperMesh, Pointwise, enGrid are some alternatives to TetGen.

Blender

Blender is a free and open-source 3D creation suite. It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing and motion tracking, video editing and 2D animation pipeline. Blender is well suited to individuals and small studios who benefit from its unified pipeline and responsive development...

SALOME

SALOME is an open-source software suite developed by Open CASCADE for numerical simulation pre- and post-processing. It provides a flexible platform for managing CAD models, automated meshing, running solvers, and visualizing simulation results.Some key features of SALOME include:Unified CAD modeling tools support various geometries like B-rep, meshes, and...

MagicaCSG

MagicaCSG is a feature-rich yet easy-to-use 3D modeling application designed specifically for constructive solid geometry (CSG). It enables users to create complex 3D models by combining and manipulating basic shapes such as cubes, spheres, cylinders, prisms and more using boolean operations like union, difference, and intersection.Some key features of...

PicoCAD

picoCAD is a free and open source CAD software for 2D drawing. It is available on Windows, macOS and Linux operating systems. It provides fundamental 2D drafting capabilities for creating and editing technical drawings and schematics.Key features of picoCAD include:User-friendly and intuitive CAD user interfaceCore sketching and drafting...

Wings 3D

Wings 3D is a free, open-source 3D modeling software for Windows, Linux and Mac. It has an intuitive and easy-to-use interface targeted at beginners, hobbyists and graphics enthusiasts.With Wings 3D, users can create and texture polygon meshes. Some of its key features include:Polygon modeling tools like extrude, inset...

Sensei Format

Sensei Format is a PDF productivity software designed to provide users with an easy way to work with PDF documents. It includes a wide range of features for editing, annotating, organizing, signing and sharing PDFs.The tool allows users to easily add text comments and markups like highlights, underlines and...

Dead Deer

Dead Deer is a free, open source raster graphics editor for digital painting and photo editing. It is designed to be used by graphic artists of all levels, from amateurs to professionals. Dead Deer is available for Linux, Windows, and macOS.Some key features of Dead Deer include:Intuitive and...

Gmsh

Gmsh is an open source, cross-platform software for generating unstructured finite element meshes for numerical simulation. It has a built-in CAD engine, allowing users to build complex 3D geometries made of parametric surfaces and volumes. Gmsh can discretize these geometries with tetrahedral meshes suitable for finite element analysis.Some key...

HyperMesh

HyperMesh is a premier pre- and post-processing software for finite element analysis. Developed by Altair, it provides a complete suite of tools to efficiently prepare FE models, solve them with popular solvers, and visualize the results.Key features and capabilities of HyperMesh include:Advanced CAD import tools to cleanly import...

Pointwise

Pointwise is a market-leading computational fluid dynamics (CFD) meshing software. It allows engineers and designers to generate high-quality structured and unstructured meshes on complex 2D and 3D geometries. Pointwise stands out from other meshing tools in several key aspects:- Flexibility: Pointwise offers a high degree of control over the...

EnGrid

enGrid is an open source, web-based software platform designed for energy data management, analytics and optimization. It enables organizations to connect, manage and derive value from their energy data sources.Some key capabilities and benefits of enGrid include:Flexible data connectivity - Integrates with 100+ data sources including meters, sensors, IoT...