Fatigue Design, Verification and Validation of Mechanical Equipment

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This webinar outlines the recommended engineering processes and practices for overall and detailed design to reduce the potential for the occurrence of fatigue cracking damage in operation. Design verification and validation methods are included. Outlined in each step are the actions to be taken, and the standards and reference documents to be followed. This ensures that all defined steps are followed and recorded to deliver a product to address design for fatigue loading. 11 case studies are included.
The webinar details the 3D geometrical form of the equipment, particularly at joints and transitions, which are needed to suitably accept the loading conditions, by providing good structural continuity and load paths in a holistic design manner.
This webinar includes general fatigue design issues and 11 case studies the author has been involved in as principal engineering consultant, summarising what the design shortcomings were, where the fatigue issues occurred, and what the design rectification solutions were. It is trusted that the text will be of use to undergraduate, graduate as well as more senior engineers in bringing good fatigue design practices to the overall design and manufacturing processes.
Fatigue design verification methods are also summarised, specifically in the use of computational finite element methods and correlation of the outputs with the typical fatigue analysis standards BS7608 and the numerous IIW fatigue codes. Iterations of the verification and design process must be completed to result in a fit for purpose design solution of required operational life.
Finally fatigue validation (via strain gauging and vibration monitoring etc) methods are summarised, again along with the iterative use of design / verification / validation actions as may be needed.
The webinar aims to assist attendees to achieve a suitable engineering practice based understanding of the nature of fatigue loadings, how and why they are usually very damaging to mechanical equipment and plant subjected to them, and the design / verification / validation skills and techniques needed to ensure such equipment and plant can withstand these loadings over a suitably long design life. The webinar will not be written from a metallurgy or materials science basis - rather a practical engineering design basis.
Key takeaways from this webinar:
Gain a practical understanding of the fundamentals of good design , verification and validation processes for fatigue operational conditions across a range of mechanical equipment and plant.
Learn the nature and application of the critical sequential and iterative steps in the combined fatigue design / verification / validation process so that none are missed, all are applied in the correct order and with the required intensity, so that product function, quality, durability and integrity results.
Become aware of the nature of fatigue loadings - low cycle, medium/high cycle, cumulative fatigue - rainflow analysis, cycle and damage histograms. Gain exposure to the fatigue design and operational conditions of numerous heavy industry mechanical equipment and plant types, so that such knowledge can be applied in their own day to day design, fabrication, and maintenance activities.
Presenter: Mr. Rob Widders, Principal Consulting Engineer & Mechanical/Heavy Industry Expert
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All content in this video is current as of the date of upload.
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