Shock certification of replacement subsystems and components in the presence of uncertainty

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In this paper a methodology for analytically estimating the response of replacement components in a system subjected to worst-case hostile shocks is presented. This methodology does not require the use of system testing but uses previously compiled shock data and inverse dynamic analysis to estimate component shock response. In the past component shock responses were determined from numerous system tests; however, with limitations on system testing, an alternate methodology for determining component response is required. Such a methodology is discussed. This methodology is mathematically complex in that two inverse problems, and a forward problem, must be solved for a permutation ... continued below

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10 p.

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DOHNER,JEFFREY L. & LAUFFER,JAMES P. May 8, 2000.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

In this paper a methodology for analytically estimating the response of replacement components in a system subjected to worst-case hostile shocks is presented. This methodology does not require the use of system testing but uses previously compiled shock data and inverse dynamic analysis to estimate component shock response. In the past component shock responses were determined from numerous system tests; however, with limitations on system testing, an alternate methodology for determining component response is required. Such a methodology is discussed. This methodology is mathematically complex in that two inverse problems, and a forward problem, must be solved for a permutation of models representing variabilities in dynamics. Two conclusions were deduced as a result of this work. First, the present methodology produces overly conservative results. Second, the specification of system variability is critical to the prediction of component response.

Physical Description

10 p.

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OSTI as DE00756097

Medium: P; Size: 10 pages

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  • ASCE Joint Specialty Conference, South Bend, IN (US), 07/24/2000--07/26/2000

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  • Report No.: SAND2000-1135C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 756097
  • Archival Resource Key: ark:/67531/metadc710280

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  • May 8, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 6, 2017, 7:05 p.m.

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DOHNER,JEFFREY L. & LAUFFER,JAMES P. Shock certification of replacement subsystems and components in the presence of uncertainty, article, May 8, 2000; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc710280/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.