Uncertainty quantification of a containment vessel dynamic response subjected to high-explosive detonation impulse loading

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Los Alamos National Laboratory (LANL), in cooperation with Southwest Research Institute, has been developing capabilities to provide reliability-based structural evaluation techniques for performing weapon component and system reliability assessments. The development and applications of Probabilistic Structural Analysis Methods (PSAM) is an important ingredient in the overall weapon reliability assessments. Focus, herein, is placed on the uncertainty quantification associated with the structural response of a containment vessel for high-explosive (HE) experiments. The probabilistic dynamic response of the vessel is evaluated through the coupling of the probabilistic code NESSUS with the non-linear structural dynamics code, DYNA-3D. The probabilistic model includes variations in ... continued below

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9 p.

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Rodriguez, E. A. (Edward A.); Pepin, J. E. (Jason E.); Thacker, B. H. (Ben H.) & Riha, D. S. (David S) January 1, 2002.

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Description

Los Alamos National Laboratory (LANL), in cooperation with Southwest Research Institute, has been developing capabilities to provide reliability-based structural evaluation techniques for performing weapon component and system reliability assessments. The development and applications of Probabilistic Structural Analysis Methods (PSAM) is an important ingredient in the overall weapon reliability assessments. Focus, herein, is placed on the uncertainty quantification associated with the structural response of a containment vessel for high-explosive (HE) experiments. The probabilistic dynamic response of the vessel is evaluated through the coupling of the probabilistic code NESSUS with the non-linear structural dynamics code, DYNA-3D. The probabilistic model includes variations in geometry and mechanical properties, such as Young's Modulus, yield strength, and material flow characteristics. Finally, the probability of exceeding a specified strain limit, which is related to vessel failure, is determined.

Physical Description

9 p.

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  • "Submitted to: 43rd AIAA/ASME/ASCE/AHS/ASC: Structures, Structural Dynamics, and Materials Conference and Exhibit Non-deterministic Approaches Forum, April 22-25, 2002, Denver, CO"

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  • Report No.: LA-UR-02-2251
  • Report No.: AIAA 2002-1567
  • Report No.: AIAA Paper 2002-1567
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976158
  • Archival Resource Key: ark:/67531/metadc934674

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 1, 2002

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 1:43 p.m.

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Rodriguez, E. A. (Edward A.); Pepin, J. E. (Jason E.); Thacker, B. H. (Ben H.) & Riha, D. S. (David S). Uncertainty quantification of a containment vessel dynamic response subjected to high-explosive detonation impulse loading, article, January 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc934674/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.