From shock response spectrum to temporal moments and vice-versa Metadata

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Title

  • Main Title From shock response spectrum to temporal moments and vice-versa

Creator

  • Author: Hemez, F. M. (Fran├žois M.)
    Creator Type: Personal
  • Author: Doebling, S. W. (Scott W.)
    Creator Type: Personal

Contributor

  • Sponsor: United States. Department of Energy.
    Contributor Type: Organization

Publisher

  • Name: Los Alamos National Laboratory
    Place of Publication: United States

Date

  • Creation: 2002-01-01

Language

  • English

Description

  • Content Description: Temporal momerils have been used in engineering mechanics to condense the information contained in the shock response spectrum into a few scalar quantities. This paper presents an application of temporal moments to the propagation of an explosive-driven shock wave through an assembly of metallic parts. For this particular application, it is shown that temporal moments characterize the response of the system better than other features traditionally used in the analysis of nonlinear, transient events, such as the peak response or 10% duration of event. The inverse problem is also illustrated: the original, time-domain signals and their shock response spectra can be reconstructed from the temporal moments. This property makes temporal moments features of choice for the analysis of experimental data or the development of numerical models because they are low-dimensional quantities; they capture transient dynamics well; and they can be used to re-generate the original time signals.
  • Physical Description: 12 p.

Subject

  • Keyword: Spectra
  • Keyword: Scalars
  • STI Subject Categories: 42 Engineering
  • Keyword: Engineering
  • Keyword: Transients
  • Keyword: Shock Waves
  • Keyword: Signals

Source

  • Conference: Submitted to: Proceedings of the 21st SEM International Modal Analysis Conference (IMAC-XXI), Kissimmee, Florida, February 3-6, 2003

Collection

  • Name: Office of Scientific & Technical Information Technical Reports
    Code: OSTI

Institution

  • Name: UNT Libraries Government Documents Department
    Code: UNTGD

Resource Type

  • Article

Format

  • Text

Identifier

  • Report No.: LA-UR-02-6790
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976416
  • Archival Resource Key: ark:/67531/metadc930956