Gmsh

Clipped view of Tetrahedral mesh; generated and viewed in Gmsh 2.3.1

Developer(s)| Christophe Geuzaine and Jean-François Remacle
Stable release|

4.15.0 / October 26, 2025; 9 months ago (2025-10-26)

Written in| C++
Operating system| Unix/Linux, macOS, Windows
License| GNU General Public License
Website| gmsh.info

Gmsh is a finite-element mesh generator developed by Christophe Geuzaine and Jean-François Remacle. Released under the GNU General Public License, Gmsh is free software.

Gmsh contains 4 modules: for geometry description, meshing, solving and post-processing. Gmsh supports parametric input and has advanced visualization mechanisms. Since version 3.0, Gmsh supports full constructive solid geometry features, based on Open Cascade Technology.[1][2]

A modified version of Gmsh is integrated with SwiftComp, a general-purpose multiscale modeling software. The modified version, called Gmsh4SC, is compiled and deployed on the Composites Design and Manufacturing HUB (cdmHUB).

## Contents

* 1 Interfaces
* 2 See also
* 3 References
* 4 External links

## Interfaces

Various graphical user interfaces exist that integrate Gmsh into their workflow:

* A Matlab interface available with FEATool Multiphysics.
* The Mesh and FEM Workbenches of FreeCAD support Gmsh for meshing inside the program, along with other meshers like Netgen.[3][4]

## See also

* TetGen
* Salome

## References

1. ↑ Geuzaine, Christophe; Remacle, Jean-François (2009). "Gmsh: A 3-D finite element mesh generator with built-in pre- and post-processing facilities". International Journal for Numerical Methods in Engineering 79 (11): 1309–1331. doi:10.1002/nme.2579. Bibcode: 2009IJNME..79.1309G. https://hal.archives-ouvertes.fr/hal-03406365/file/Geuzaine2009.pdf.
2. ↑ Science and Technology of Advanced Materials - 3D physical modeling of anisotropic grain growth at high temperature in local strong magnetic force field - Eric Beaugnon - (2008) 024201 (6pp) - [1].
3. ↑ "Netgen/NGSolve". https://ngsolve.org/.
4. ↑ "Mesh FromPartShape - FreeCAD Documentation". https://wiki.freecadweb.org/Mesh_FromPartShape#Gmsh_mesher.

## External links

* Gmsh website
* Official Gmsh Documentation
* Gmsh Tutorials by Dolfyn
* Gmsh Matlab and FEATool GUI and CLI integration

* v
* t
* e

Numerical-analysis software

Free|

* Advanced Simulation Library
* ADMB
* Chapel
* Euler
* FEATool Multiphysics
* Fortress
* FreeFem++
* FreeMat
* Genius
* Gmsh
* GNU Octave
* gretl
* Julia
* Maxima
* MFEM
* OpenFOAM
* R
* SageMath
* Salome
* ScicosLab
* Scilab
* X10
* Weka

Proprietary|

* DADiSP
* GAUSS
* LabVIEW
* Maple
* Mathcad
* Mathematica
* MATLAB
* Speakeasy
* VisSim

* List of numerical-analysis software
* Comparison of numerical-analysis software

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