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Fault Tree

Home » Products » Fault Tree

Relyence

Fault Tree

The best-in-class fault tree software tool for comprehensive risk and safety analysis

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Relyence Fault Tree

Proficient

The Relyence® Fault Tree Analysis tool offers a comprehensive platform for constructing striking FTA diagrams, modeling an array of input events, and computing a wide range of availability metrics using its highly capable mathematical engine.

Accurate

Relyence’s high-powered fault tree analysis probability calculator back-end computes all your most important risk and safety metrics with speed and accuracy. The mathematical engine supports both exact calculations as well as simulations.

Visual

Create well-organized and visually appealing diagrams with our intuitive and efficient interface. The Relyence software for fault tree analysis optimally configures your tree, auto-aligns, and auto-connects gates and events.

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 Risk Analysis • Gates & Events • Risk Metrics • FT + FMEA • Power-Packed Features • Dashboard • Anytime, Anywhere • Studio

Relyence Fault Tree Software Overview

Comprehensive fault tree risk analysis software 

Meeting All Your FTA Needs
The Relyence Fault Tree Analysis software provides a flexible and friendly framework for complete analysis of small and large scale risk assessments. Relyence provides an intuitive interface to construct well-organized and visually appealing diagrams. The front-end user interface is matched with an equally impressive back-end mathematical engine.
Impressive Power & Performance
Relyence’s locally-installed or online fault tree generator tool provides a comprehensive platform for constructing diagrams and assessing risk. It supports a variety of input models, an array of gates and events, CCF groups, and disjoint events. Numerous risk metrics can be computed, including minimal cut sets (MCS), unavailability, and importance measures.
Feature-Rich & Highly Capable
Relyence’s software for performing fault tree analysis probability calculations is rounded out with a robust feature set to enhance your analysis, including Fault Tree and Event Libraries, the ability to export to Excel, features to manage and organize large-scale fault tree diagrams, support for repeated events, and customizable dashboards for high-level overviews.
Take Relyence for a Test Drive!
Take us for a test drive. No commitment, no hassle. Just sign up today to see Relyence Fault Tree in action. Our two-week fault tree analysis free trial requires no download or installation and includes all the features and functions of our complete package. Or, if you’d like a personalized demo, feel free to call our team today to schedule a time. You won’t be disappointed!

Discover Relyence Fault Tree

Get the details on how Relyence Fault Tree meets all your analysis needs


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Relyence Fault Tree Brochure
Relyence Fault Tree Brochure
Fault Tree White Paper
Download the Free White Paper "Fault Tree Analysis as a Means to Promote Safety"
Reliability Tools Overview Whitepaper
Download the Free White Paper "An Overview of Reliability Analysis Tools and Techniques"

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Spotlight on Fault Tree Analysis Probability Calculations

Discover the unparalleled features that make Relyence FTA software the choice fault tree analysis tool for risk assessment

Risk Analysis

Fault Tree Analysis (FTA) is a top-down, deductive technique used to determine the probability that undesired events will occur. FTA software is used for processes, products, and systems.

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Logic Gates & Events

Relyence supports a comprehensive set of logic gates and events, such as AND, OR, NOT, Priority AND, Voting, & Transfer gates, and Basic, House, Undeveloped, Repeated, & Disjoint events.

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Libraries

Relyence FTA software supports the creation of Fault Tree and Event Libraries, enabling you to store and retrieve fault tree data for quick construction and data consistency.

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Risk Metrics

Relyence Fault Tree expertly performs calculations by employing exact calculations if possible, or engaging the simulation engine if needed. Output results include a comprehensive list of risk metrics, as well as importance measures and cut sets.

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Fault Tree & FMEA

Relyence Fault Tree and Relyence FMEA can be used as a powerful combination pack for risk analysis. You can automatically generate fault trees from your FMEAs and expertly track and assess all of your most critical risk items.

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Power-Packed

Relyence Fault Tree includes an array of powerful features for a best-in-class analysis solution. From role-based permissions, access control capabilities to revision control and more, the Relyence Fault Tree feature set is unmatched.

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Dashboard

Relyence Fault Tree Software’s Dashboard gathers and organizes your data for a holistic overview. View the gates with the highest or lowest unavailabilities, the top 10 highest probability gates or events, and much more.

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Anytime, Anywhere

Built with team concepts in mind, Relyence allows access to your analyses anytime, anywhere, and on any device – including your mobile devices. Collaboration and connectivity are at the heart of Relyence.

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Studio Platform

Relyence Fault Tree is also available as part of the Relyence Studio Platform – our fully integrated platform for all your reliability and quality tasks. Data integration is seamless and cross-module dashboards provide an all-encompassing overview.

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Complete Fault Tree Modeling

Our FTA modeling tool supports a comprehensive list of gates 

Fault Tree Gates

Fault Tree Software – What & Why

Answering the key questions about fault tree software tools

What is Fault Tree Analysis?

Fault Tree Analysis, sometimes abbreviated FTA, is a top-down deductive approach used to analyze risk and safety issues. Starting with a highly catastrophic or undesirable event, boolean logic is employed to model the effects of low-level events which ultimately may lead to the top-level failure.

Fault Tree Analysis is performed by constructing a graphical fault tree diagram using logic gates to represent events. The events are also described by mathematical distributions, or models, which represent their probability of occurrence. The fault tree diagram is then analyzed using a variety of sophisticated mathematical techniques to determine the probability of the occurrence of the top event and all lower level events.

FTA is one of the fundamental analysis techniques used for both qualitative and quantitative risk assessment.

What are the benefits of using fault tree software?

When unwanted events can spell disaster in mission critical situations, the use of Fault Tree Analysis (FTA) to predict the likelihood of such failures is a proven technique for risk assessment. Fault tree analysis is a preferred technique for assessing risk in situations where safety is paramount and the probability of catastrophic events must be minimized.

Fault tree analysis is used in the nuclear power, military, aerospace, defense, and medical industries – where risk and safety issues are of utmost importance, and in some cases must be kept in compliance with regulatory guidelines. Even in commercial industries where the severity of failure may not be as catastrophic to be life-threatening, the principles of fault tree analysis can be applied for risk assessment. Fault tree analysis is also frequently used in the telecom, automotive, oil and gas, and many other industries to due to its well-proven methodology.

Fault tree analysis is used to assess risk in order to eliminate, minimize, or mitigate events that lead to catastrophic system failures. The goal is to keep the probability, or likelihood, of the critical events as low as possible. The benefit of fault tree analysis is that you can obtain quantifiable metrics to be sure your risk and hazard rates are under control.

What should I look for in fault tree software?

Best-in-class fault tree software needs to be flexible, powerful, and visually engaging.

The front-end diagramming function must be easy to navigate and result in well-organized and optimally configured trees. Automated abilities, such as optimizing layout and auto-connection, are desirable. Additionally, the features that aid in handling large trees, such as support for transfer gates and linked sub-trees is critical.

Because FTA software can serve as a vital tool in risk assessment and mitigation, the ability to model real-world scenarios is important. This means that a variety of logic gates and events must be supported, along with a solid list of input models to choose from. For example, support for more advanced modeling features, such as CCF (Common Cause Failure) groups and disjoint events, is also beneficial.

The core feature of any fault tree tool is the ability to accurately calculate risk metrics. The calculation engine needs to be fast, reliable, as well as accurate. A variety of calculation methods should be available: exact (analytical), cut set approximation, such as cross-product, cut set summation, and Esary Proschan, as well as simulation. The mathematical engine must be able to support simulation to handle complex scenarios where analytical results are not possible. Additionally, an array of output results should be supported – such as unavailability, failure frequency, number of failures, and minimal cut set evaluation (MCS).

Report features should include graphical output results as well as numeric table-based output. Added bonuses include features such as the ability to store fault tree data in a databank for reusability and consistency, dashboards for insight and overview of important metrics, the ability to install on-premise or online depending on your needs, and an API interface for integrating with other quality systems.

Why is Relyence the trusted name for fault tree software?

What do you expect from a best-in-class Fault Tree Analysis software tool?

A visually impressive, easy-to-use diagramming front end? A highly accurate and fast mathematical calculation engine? A software tool delivered by a company that believes in, and is committed to, continual product development and improvement? A software package that can be installed on-premise, or on your own private cloud, or cloud hosted for you? A browser-based, device independent solution that offers mobile friendly features to support your global or geographically diverse team? A company that truly delivers responsive and knowledgeable customer support?

All of the above?

Relyence answers all these questions with a resounding “yes!” and offers even more. It’s why Relyence Fault Tree is the trusted name for FTA tools and is used across the world in a wide range of industries.

See how Relyence Fault Tree can handle your needs. Sign up now to start your free trial!

Want to learn more?

Check out our blog for more information on FTA analysis, Relyence Fault Tree, and other reliability & quality topics.

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