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Overview<br />

Sa<strong>fe</strong> Technology is <strong>the</strong> technical leader in <strong>the</strong> design and<br />

development of durability analysis software and is<br />

dedicated to meeting its customers' most demanding<br />

applications. It develops and sells <strong>fe</strong>-sa<strong>fe</strong> , <strong>the</strong> leading<br />

fatigue analysis software suite for finite element models.<br />

As a privately owned company, its independence and focus<br />

enables Sa<strong>fe</strong> Technology to continually bring <strong>the</strong> most<br />

advanced analysis technology to address real-world,<br />

industrial applications.<br />

Firehole <strong>Composites</strong> is a global leader in advanced<br />

composite analysis and in trans<strong>fe</strong>rring technology into<br />

commercial software. Since its founding in 2000, Firehole’s<br />

mission has been to enable wide-spread use of composite<br />

materials leading to lighter, stronger and more fuel efficient<br />

designs. It of<strong>fe</strong>rs a suite of products designed to<br />

significantly improve <strong>the</strong> composite design process.<br />

Sa<strong>fe</strong> Technology has partnered with Firehole <strong>Composites</strong><br />

to bring to market <strong>fe</strong>-sa<strong>fe</strong>/<strong>Composites</strong> , a unique and<br />

advanced solution enabling <strong>the</strong> fatigue analysis<br />

of composite materials.<br />

Introduction<br />

<strong>Composites</strong> are an attractive material option for designers<br />

and manufacturers because of <strong>the</strong>ir high strength and<br />

stiffness to weight ratio, as well as <strong>the</strong> ability to tune <strong>the</strong><br />

material properties for specific applications. As <strong>the</strong>ir use<br />

becomes more widespread, <strong>the</strong>re is an increasing need to<br />

understand <strong>the</strong>ir behaviour and design li<strong>fe</strong>. Until now, an<br />

accurate and robust fatigue li<strong>fe</strong> prediction tool for<br />

composites has not been available.<br />

Predicting fatigue li<strong>fe</strong> in composites is challenging because<br />

even simple load states lead to complex behaviour in <strong>the</strong><br />

individual composite constituents. Fur<strong>the</strong>rmore, <strong>the</strong> ef<strong>fe</strong>cts<br />

of frequency and load history can only be dealt with<br />

adequately by using physics-based <strong>the</strong>ories.<br />

<strong>fe</strong>-sa<strong>fe</strong>/<strong>Composites</strong> meets <strong>the</strong>se challenges head-on by<br />

combining Multicontinuum Theory with kinetic <strong>the</strong>ory to<br />

introduce a game-changing technology for fatigue li<strong>fe</strong><br />

prediction in composite structures.<br />

Composite Durability Analysis Software for Finite Element Models<br />

Summary<br />

<strong>fe</strong>-sa<strong>fe</strong>/<strong>Composites</strong> <br />

• is a robust and computationally efficient tool for<br />

predicting fatigue li<strong>fe</strong> in composite structures<br />

consisting of unidirectional laminae<br />

• predicts lamina-level fatigue li<strong>fe</strong> at every integration<br />

point in a Finite Element model<br />

• predicts fatigue failure by applying kinetic <strong>the</strong>ory<br />

to constituent-level stresses<br />

• applies realistic physics to naturally account for <strong>the</strong><br />

ef<strong>fe</strong>cts of frequency, mean stress, and combined loading<br />

• requires only standard, static material properties and<br />

minimal fatigue characterisation<br />

• can handle arbitrarily complex load histories<br />

Key benefits<br />

• Efficient, multiscale analysis for unidirectional<br />

composite structures<br />

• Superior insight into composite fatigue behaviour<br />

• Optimised designs with accurate simulation capability,<br />

minimising <strong>the</strong> need for over-design<br />

• Reduced composite FEA simulation time<br />

due to computational efficiency<br />

• Reduced cost and time-to-market with accurate<br />

simulation and reduced need for physical testing<br />

• Easy implementation with intuitive GUI and seamless<br />

integration with leading FEA packages<br />

• Of<strong>fe</strong>rs a practical tool for investigating multiple designs<br />

and complex loading conditions<br />

while minimising costly build<br />

and test cycles<br />

UAV wing<br />

Combining Multicontinuum Theory with kinetic <strong>the</strong>ory<br />

to introduce game changing technology<br />

Formula1<br />

car wing

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