Fsa: Fault & Stress Analysis software

Purpose

Fsa is designed to analyse

faults, fault and slip, or earthquake focal mechanisms,
stress,
and the relationship between faults and the state of stress.

Main current functionalities include

Graphical representation of
- Fault & slip: stereoplots, histograms, roses, Breddin's graph, trend and slip map
- Stress tensor: stereoplots, histograms, roses, Frohlich's and Mohr's diagrams, Sh map
Restoration of the orientation of tilted structures
Stress tensor inversion from fault slip data
Analysis of the state of stress on a fault

Status

This software is continuously evolving, as applications suggest new features. At revision date of this html file, 2022-08-24, current online version of Fsa was 38.2.

Documentation

Because the program is constantly evolving, documentation has always been lagging behind development.

Documentation is (too) slowly being assembled in a user's manual that contains a pdf document and associated files. To keep its links active, it is recommended to preserve its folder structure after downloading. It is bundled with the most recent MacOS X applications. It is still incomplete, but up do date. The 3 chapters on data files are intended to help prepare input files successfully.
Older html documentation includes information on
The revision history and versions of the program are detailed in chapter 8 of the manual.
How to refer to this program ?
- If you publish results obtained with this program, it would be appreciated if you referred to it as indicated in chapter 7 of the manual.
- Chapter 7 also gives references related to the methods implemented in the program.

Downloading and Installing

Applications and documents for various systems
Computer	Processor	Operating System	Downloads	Read Me !
Macintosh	Intel i86	MacOS 10.6 - 10.14	fsa_38.4_X11t6imrwe bundle	MacOS X versions
Macintosh	Intel i86	MacOS 10.13 - 15	fsa_38.4_X13t13i64awe bundle (PostScript version only)	MacOS X versions
Macintosh	ARM	MacOS 11 - 15	fsa_38.4_X13t13i64awe bundle (PostScript version only)	MacOS X versions
PC	Intel i86	MS-Windows ≥ XP	fsa_33.7_wxp bundle (PostScript version only)	MS-Windows versions

Versions for older systems are listed in a legacy table.
Direct access to the binaries archive

🏠 Homepage

Software page

Binaries archive

Contact: 📪