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Gmsh 2.2

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 2.2 (July, 15 2008).

Copying conditions  Terms and conditions of use.
1. Overview  What is Gmsh?
2. General tools  Description of general commands and options.
3. Geometry module  Description of all Geometry commands.
4. Mesh module  Description of all Mesh commands.
5. Solver module  Description of all Solver commands.
6. Post-processing module  Description of all Post-Processing commands.
7. Tutorial  A step-by-step tutorial.
8. Running Gmsh  How to run Gmsh on your operating system.
9. File formats  Input and output file formats.
10. Programming notes  Random notes for developers.
11. Bugs, versions and credits  Contact information and ChangeLog
A. Tips and tricks  Some tips to make your life easier with Gmsh.
B. Frequently asked questions  The Gmsh FAQ
C. License  Complete copy of the license.
Concept index  Index of concepts.
Syntax index  Index of reserved keywords in the Gmsh language.

 -- The Detailed Node Listing ---

Overview

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 Syntactic rules used in this document  
1.8 Comments  

General tools

2.1 Expressions  
2.2 Operators  
2.3 Built-in functions  
2.4 User-defined functions  
2.5 Loops and conditionals  
2.6 General commands  
2.7 General options  

Expressions 

2.1.1 Floating point expressions  
2.1.2 Character expressions  
2.1.3 Color expressions  

Geometry module

3.1 Geometry commands  
3.2 Geometry options  

Geometry commands

3.1.1 Points  
3.1.2 Lines  
3.1.3 Surfaces  
3.1.4 Volumes  
3.1.5 Extrusions  
3.1.6 Transformations  
3.1.7 Miscellaneous  

Mesh module

4.1 Elementary vs. physical entities  
4.2 Mesh commands  
4.3 Mesh options  

Mesh commands

4.2.1 Characteristic lengths  
4.2.2 Structured grids  
4.2.3 Miscellaneous  

Solver module

5.1 Solver options  
5.2 Solver example  

Post-processing module

6.1 Post-processing commands  
6.2 Post-processing plugins  
6.3 Post-processing options  

Tutorial

7.1 `t1.geo'  
7.2 `t2.geo'  
7.3 `t3.geo'  
7.4 `t4.geo'  
7.5 `t5.geo'  
7.6 `t6.geo'  
7.7 `t7.geo'  
7.8 `t8.geo'  
7.9 `t9.geo'  

Running Gmsh

8.1 Interactive mode  
8.2 Non-interactive mode  
8.3 Command-line options  
8.4 Mouse actions  
8.5 Keyboard shortcuts  

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  
9.4.2 POS ASCII file format  
9.4.3 POS binary file format  

Programming notes

10.1 Main code structure  
10.2 Coding style  
10.3 Option handling  

Bugs, versions and credits

11.1 Bugs  
11.2 Versions  
11.3 Credits  



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