Numerical simulations and precision impact testing for the development of an UNDEX response validation methodology

J. O'Daniel, T. Krauthammer, Kevin L. Koudela, L. Strait

Research output: Contribution to journalConference article

Abstract

The development of an UNDEX response validation methodology was discussed using numerical simulation and precision impact testing. An iterative process was used where an UNDEX response, preliminary UNDEX simulations, and impact simulations, led to the parameters necessary for a precision impact tests which generated an equivalent response. Correlation was found between the impact simulations and the precision impact test when the hybrid distributed impactor was explicitly modeled. This correlation between the precision impacts tests results and the simulated results validated LS-DYNA3D for that impact event and range of response.

Original languageEnglish (US)
Pages (from-to)299-308
Number of pages10
JournalStructures and Materials
Volume8
StatePublished - Dec 1 2000
EventSixth International Conference on Structures under Shock and Impact, SUSI VI - Cambridge, United Kingdom
Duration: Jul 3 2000Jul 5 2000

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Impact testing
Computer simulation

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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abstract = "The development of an UNDEX response validation methodology was discussed using numerical simulation and precision impact testing. An iterative process was used where an UNDEX response, preliminary UNDEX simulations, and impact simulations, led to the parameters necessary for a precision impact tests which generated an equivalent response. Correlation was found between the impact simulations and the precision impact test when the hybrid distributed impactor was explicitly modeled. This correlation between the precision impacts tests results and the simulated results validated LS-DYNA3D for that impact event and range of response.",
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year = "2000",
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Numerical simulations and precision impact testing for the development of an UNDEX response validation methodology. / O'Daniel, J.; Krauthammer, T.; Koudela, Kevin L.; Strait, L.

In: Structures and Materials, Vol. 8, 01.12.2000, p. 299-308.

Research output: Contribution to journalConference article

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T1 - Numerical simulations and precision impact testing for the development of an UNDEX response validation methodology

AU - O'Daniel, J.

AU - Krauthammer, T.

AU - Koudela, Kevin L.

AU - Strait, L.

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N2 - The development of an UNDEX response validation methodology was discussed using numerical simulation and precision impact testing. An iterative process was used where an UNDEX response, preliminary UNDEX simulations, and impact simulations, led to the parameters necessary for a precision impact tests which generated an equivalent response. Correlation was found between the impact simulations and the precision impact test when the hybrid distributed impactor was explicitly modeled. This correlation between the precision impacts tests results and the simulated results validated LS-DYNA3D for that impact event and range of response.

AB - The development of an UNDEX response validation methodology was discussed using numerical simulation and precision impact testing. An iterative process was used where an UNDEX response, preliminary UNDEX simulations, and impact simulations, led to the parameters necessary for a precision impact tests which generated an equivalent response. Correlation was found between the impact simulations and the precision impact test when the hybrid distributed impactor was explicitly modeled. This correlation between the precision impacts tests results and the simulated results validated LS-DYNA3D for that impact event and range of response.

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