A nondeterministic shock and vibration application using polynomial chaos expansions

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In the current study, the generality of the key underpinnings of the Stochastic Finite Element (SFEM) method is exploited in a nonlinear shock and vibration application where parametric uncertainty enters through random variables with probabilistic descriptions assumed to be known. The system output is represented as a vector containing Shock Response Spectrum (SRS) data at a predetermined number of frequency points. In contrast to many reliability-based methods, the goal of the current approach is to provide a means to address more general (vector) output entities, to provide this output as a random process, and to assess characteristics of the response ... continued below

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6 p.

Creation Information

Field, Richard V., Jr.; Red-Horse, John R. & Paez, Thomas L. March 28, 2000.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 11 times . More information about this article can be viewed below.

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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 the current study, the generality of the key underpinnings of the Stochastic Finite Element (SFEM) method is exploited in a nonlinear shock and vibration application where parametric uncertainty enters through random variables with probabilistic descriptions assumed to be known. The system output is represented as a vector containing Shock Response Spectrum (SRS) data at a predetermined number of frequency points. In contrast to many reliability-based methods, the goal of the current approach is to provide a means to address more general (vector) output entities, to provide this output as a random process, and to assess characteristics of the response which allow one to avoid issues of statistical dependence among its vector components.

Physical Description

6 p.

Notes

OSTI as DE00753421

Medium: P; Size: 6 pages

Source

  • 8th ASCE Specialty Conference on Probabilistic Mechanics and Structural Reliability, Notre Dame, IN (US), 07/24/2000--07/26/2000

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  • Report No.: SAND2000-0800C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 753421
  • Archival Resource Key: ark:/67531/metadc711332

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Creation Date

  • March 28, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 11, 2017, 1:07 p.m.

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Field, Richard V., Jr.; Red-Horse, John R. & Paez, Thomas L. A nondeterministic shock and vibration application using polynomial chaos expansions, article, March 28, 2000; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc711332/: accessed October 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.