Gmsh free download for Mac


22 June 2020

3D element generator with a built-in CAD.


Gmsh is an open source 3D finite element mesh generator with a built-in CAD engine and post-processor. Its design goal is to provide a fast, light and user-friendly meshing tool with parametric input and advanced visualization capabilities. Gmsh is built around four modules: geometry, mesh, solver and post-processing. The specification of any input to these modules is done either interactively using the graphical user interface, in ASCII text files using Gmsh's own scripting language (.geo files), or using the C++, C, Python or Julia Application Programming Interface (API).

Make sure to read the tutorials before sending questions or bug reports.

What's new in Gmsh

Version 4.6.0:
  • New options to only generate initial 2D or 3D meshes (without node insertion), and to only mesh non-meshed entities
  • Added ability to only remesh parts of discrete models
  • Added support for mesh size fields and
  • Embedded entities in HXT
  • Improved reparametrization and partitioning code
  • New OCC API functions to reduce the number of synchronizations for complex models
  • New OCC spline surface interfaces
  • New functions and options to control the first tag of entities, nodes and elements
  • Fixed duplicated entities in STEP output
  • Improved mesh subdivision and high-order pipeline
  • MED output now preserves node and element tags
  • Small bug fixes
  • Incompatible API changes:
  • New optional arguments to mesh/clear, mesh/createTopology, mesh/createGeometry, occ/addThruSections, mesh/getPeriodicNodes
  • New arguments to mesh/getBasisFunctions
  • Removed mesh/preallocateBasisFunctions, mesh/precomputeBasisFunctions and mesh/getBasisFunctionsForElements
  • Renamed occ/setMeshSize as occ/mesh/setSize

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