Professor John Draper is presenting a three-day class on Modern Metal Fatigue Analysis at MIRA, Nuneaton, UK, April 1-3, 2009

There have been major advances in methods of fatigue life estimation over the past 30 years. Allowable stresses can now be estimated to an accuracy of a few percent. Much of this knowledge is available in research papers but is not readily available to designers. This class is intended to help bridge the gap between research and design by providing a concise introduction to modern methods of fatigue analysis and their practical application through worked examples and interaction/discussion. Throughout, the emphasis is on practical application and there is a strong emphasis on what is possible and the pitfalls to avoid.

The class is aimed at Design and Test Engineers responsible for product durability in the ground vehicle, aerospace and manufacturing industries. It will also be of value to academics and undergraduates on mechanical engineering courses. No previous knowledge of fatigue is necessary.

Attendees will be introduced to the concepts of strain-based fatigue analysis and the more traditional S-N curve methods. Modern theories of multiaxial fatigue are described, together with their application to strain gauge measurements and fatigue analysis of finite element models. Also covered is statistical analysis, crack propagation and the fatigue of welded steel joints – as well as the merits and disadvantages of different types of fatigue tests and aspects of practical fatigue analysis. John Draper’s recently published reference book, Modern Metal Fatigue Analysis, forms course-notes for the class and can also be purchased from the EMAS website.

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