Gmsh

Christophe Geuzaine and Jean-François Remacle

Gmsh is an automatic 3D finite element mesh generator with build-in pre- and post-processing facilities. This is the Gmsh Reference Manual for Gmsh 2.4 (August, 23 2009).

--- The Detailed Node Listing --- Overview
Copying conditions		Terms and conditions of use
1. Overview		What is Gmsh?
2. How to read this reference manual?		Which parts of this manual should you read (if any)?
3. Running Gmsh on your system		How can you run Gmsh on your machine?
4. General tools		Description of general commands and options
5. Geometry module		Description of all Geometry commands
6. Mesh module		Description of all Mesh commands
7. Solver module		Description of all Solver commands
8. Post-processing module		Description of all Post-Processing commands
9. File formats		Input and output file formats
A. Tutorial		A step-by-step tutorial
B. Options		List of all available options
C. Information for developers		Info for Gmsh developers
D. Random tips and tricks		Tips and tricks to make your life easier
E. Frequently asked questions		The Gmsh FAQ
F. Version history		Changelog
G. Copyright and credits		Copyright information and list of contributors
H. License		Complete copy of the license
Concept index		Index of concepts
Syntax index		Index of reserved keywords in the Gmsh language
1.1 Geometry: geometrical entity definition
1.2 Mesh: finite element mesh generation
1.3 Solver: external solver interface
1.4 Post-processing: scalar, vector and tensor field visualization
1.5 What Gmsh is pretty good at …
1.6 … and what Gmsh is not so good at
1.7 Bug reports
How to read this reference manual?
2.1 Syntactic rules used in the manual
Running Gmsh on your system
3.1 Interactive mode
3.2 Non-interactive mode
3.3 Command-line options
3.4 Mouse actions
3.5 Keyboard shortcuts
General tools
4.1 Comments
4.2 Expressions
4.3 Operators
4.4 Built-in functions
4.5 User-defined functions
4.6 Loops and conditionals
4.7 General commands
4.8 General options
Expressions
4.2.1 Floating point expressions
4.2.2 Character expressions
4.2.3 Color expressions
Geometry module
5.1 Geometry commands
5.2 Geometry options
Geometry commands
5.1.1 Points
5.1.2 Lines
5.1.3 Surfaces
5.1.4 Volumes
5.1.5 Extrusions
5.1.6 Transformations
5.1.7 Miscellaneous
Mesh module
6.1 Choosing the right unstructured algorithm
6.2 Elementary vs. physical entities
6.3 Mesh commands
6.4 Mesh options
Mesh commands
6.3.1 Characteristic lengths
6.3.2 Structured grids
6.3.3 Miscellaneous
Solver module
7.1 Solver options
7.2 Solver example
Post-processing module
8.1 Post-processing commands
8.2 Post-processing plugins
8.3 Post-processing options
File formats
9.1 MSH ASCII file format
9.2 MSH binary file format
9.3 Node ordering
9.4 Legacy formats
Legacy formats
9.4.1 MSH file format version 1.0 (Legacy)
9.4.2 POS ASCII file format (Legacy)
9.4.3 POS binary file format (Legacy)
Tutorial
A.1 ‘`t1.geo`’
A.2 ‘`t2.geo`’
A.3 ‘`t3.geo`’
A.4 ‘`t4.geo`’
A.5 ‘`t5.geo`’
A.6 ‘`t6.geo`’
A.7 ‘`t7.geo`’
A.8 ‘`t8.geo`’
A.9 ‘`t9.geo`’
Options
B.1 General options list
B.2 Geometry options list
B.3 Mesh options list
B.4 Solver options list
B.5 Post-processing options list
Information for developers
C.1 Getting the source
C.2 Source code structure
C.3 Coding style
C.4 Adding a new option

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