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Fractional Failure Analysis in Weibull++

If a corrective action for a particular failure mode in a product is 100% effective (backed up with strong engineering verification data), then the reliability of the product in the absence of that failure mode can be estimated using available data. First, the failures due to the mode in question are discounted by changing their state from failure to suspension. Then, the data are reanalyzed to predict what the reliability of the product will be after the corrective action is implemented. However, if the corrective action is not 100% effective, then the method above cannot be used to estimate reliability. In Synthesis Version 10, Weibull++ standard folios can perform fractional failure analysis, where one can account for the effectiveness of an assumed corrective action or product redesign in the analysis.


Read the Latest Reliability News

2015 ARS India Excellent Presentation Award Winners Announced

This year, presenters from the International Applied Reliability Symposium India shared their experiences from industries ranging from transportation to energy, aerospace, medical and more. ReliaSoft would like to thank all the presenters for being a voice for their industry and educating the engineering professionals who attended this year’s successful symposium in Chennai, India.


Congratulations to the Excellent Presentation Award winners, who were selected by attendee votes.

  • 1st place (Gold) – Murali Krishnamoorthy from HCL Technologies with A New Process for Setting Optimal Product Reliability Goal
  • 2nd place (Silver) – Jatinder Kumar from Mahindra & Mahindra Limited with Synergy of Accelerated Testing/Aging with Reliability Engineering
  • 3rd place (Bronze) – Satya Priya Mittal from Space Applications Center with Reliability Prediction of Electronic Systems: Beyond MIL-HDBK-217F


For more details and to view photos from this year's event, visit:


HBM nCode Hosts Free Vibration Fatigue Seminars

If you want to learn how vibration and fatigue analyses could benefit your engineering processes, nCode’s "The Role of Vibration in Fatigue" seminar is a great place to start. The free one-day seminar discusses the basic principles of fatigue and durability, best practices for performing the analyses, practical applications and more. The seminar will be offered in multiple locations across the U.S. over the next few months. Reserve your spot today because space is limited. For more details, visit:

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