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IUTAM Symposium on Emerging Trends in Rotor Dynamics pp 13–26Cite as

Optimized Life Using Frequency and Time Domain Approaches

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Part of the book series: IUTAM Bookseries ((IUTAMBOOK,volume 1011))

Abstract

Life estimation of mechanical components has been practiced for quite some time. There are two approaches available: (1) use the response in time domain and do a cycle counting and (2) determine the response in frequency domain and use a cumulative damage calculation to cross the resonance. These two methods apparently look different and generally not connected. Here we examine these methods and their applicability in determining life of mechanical components and find their suitability for different applications. We will also discuss their common aspects and state their relative advantages and disadvantages.

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Acknowledgements

The author is thankful to many of his colleagues who performed variety of lifing and optimization problems in Altair India and in IIT Delhi.

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Authors and Affiliations

  1. Altair Engineering India, Prestige Tech Park, Bangalore, 560 087, India

    J. S. Rao

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  1. J. S. Rao
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Corresponding author

Correspondence to J. S. Rao .

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Editors and Affiliations

  1. Dept. Mechanical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India

    K. Gupta

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Rao, J.S. (2011). Optimized Life Using Frequency and Time Domain Approaches. In: Gupta, K. (eds) IUTAM Symposium on Emerging Trends in Rotor Dynamics. IUTAM Bookseries, vol 1011. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0020-8_2

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  • DOI: https://doi.org/10.1007/978-94-007-0020-8_2

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-007-0019-2

  • Online ISBN: 978-94-007-0020-8

  • eBook Packages: EngineeringEngineering (R0)

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