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Arbre-Analyst is a community project and is available for free download. Thank you to inform some information below before the download starts.

Need:
Personal Professional Education

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Platform:
Windows V3.1.0 STABLE Windows V2.3.2 STABLE Linux

Fault tree analysis

Fault tree analysis (FTA) is a top down, deductive failure analysis in which an undesired state of a system is analyzed using Boolean logic to combine a series of lower-level events. This analysis method is mainly used in the fields of safety engineering and reliability engineering to understand how systems can fail, to identify the best ways to reduce risk or to determine (or get a feeling for) event rates of a safety accident or a particular system level (functional) failure. FTA is used in the aerospace, nuclear power, chemical and process, pharmaceutical, petrochemical and other high-hazard industries; but is also used in fields as diverse as risk factor identification relating to social service system failure. FTA is also used in software engineering for debugging purposes and is closely related to cause-elimination technique used to detect bugs.

They use Arbre-Analyst

Airbus, Air Liquide, Alstom, Areva, CEA, Daher, Naval Group, Direction Générale de l'Armement, IAV, Ligeron, Michelin, Nexter-Systems, Service d'infrastructure de la Défense, SNCF, Tecris, Thales, Tuc Rail, Valéo...

Why yet a fault tree analysis software?

1. Arbre-Analyst is designed by a team of French engineers specialized in dependability and safety analysis to provide a tool that meets the needs of most studies.
2. Interoperability is essential if you want to capitalize on your dependability studies. Arbre-Analyst is compliant with the Open PSA standard to ensure full interoperability.
3. The calculation algorithms have been improved, resulting in changes to the fault tree engines. Arbre-Analyst uses the XFTA engine, allowing you to benefit from the latest developments in the field.
4. Arbre-Analyst is free to use. You can download and use it freely.

The two pillars of Arbre-Analyst

1. Open-PSA
   The recording format utilized by Arbre-Analyst adheres to the Open PSA standard. Open-PSA defines an XML formalism to describe a fault tree, aiming to ensure complete interoperability.
   Open-PSA website
2. XFTA
   The calculation engine employed for probabilistic analysis of fault trees is XFTA, developed by Mr. Rauzy.
   XFTA website

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Arbre-Analyst is free to use. Therefore, the user, and only the user, shall be responsible for verifying, by any or all means, the suitability of the product for their requirements, its proper functioning, and ensuring that it does not cause damage to persons or properties.

Arbre Analyst - Version 3.1.0 Stable - 2023-07-07

Arbre Analyst - Version 2.3.2 Stable - 2019-02-17

The documentation of Arbre-Analyst is freely accessible at this address.

You can contact us at the following address:

Publications about Arbre-Analyst

1. Arbre-Analyst – Présentation des évolutions du moteur de calculs XFTA - Congrès LAMBDA-MU 23 (Octobre 2022)
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2. ARBRE ANALYST: A FAULT TREE ASSESSMENT SOFTWARE FULLY COMPLIANT WITH OPEN-PSA AND USING XFTA FAULT TREE ENGINE - Congrès LAMBDA-MU 19 (Octobre 2014)
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3. Anatomy of an Efficient Minimal Cutsets Solver: the XFTA calculation engine - LIX – École Polytechnique
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Screenshots