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Optimization of a Light-Weight Composite Blast Containment Vessel Structural Response

[+] Author Affiliations
Jagadeep Thota, Ashok K. Ayyaswamy, Mohamed B. Trabia, Brendan J. O’Toole

University of Nevada at Las Vegas, Las Vegas, NV

Paper No. IMECE2007-41928, pp. 539-547; 9 pages
doi:10.1115/IMECE2007-41928
From:
  • ASME 2007 International Mechanical Engineering Congress and Exposition
  • Volume 10: Mechanics of Solids and Structures, Parts A and B
  • Seattle, Washington, USA, November 11–15, 2007
  • Conference Sponsors: ASME
  • ISBN: 0-7918-4304-1 | eISBN: 0-7918-3812-9
  • Copyright © 2007 by ASME

abstract

This paper proposes an optimization technique for increasing the structural integrity of a light-weight composite blast containment vessel. The vessel is cylindrical with two hemispherical ends. It has a steel liner that is internally reinforced with throttles and gusset plates and wrapped with a basalt-plastic composite. A finite element model of the blast containment vessel was proposed and verified in an earlier work. The parameters of the vessel are incorporated within an iterative optimization procedure to decrease the peak strains within the vessel, which are caused by internal blast loading due to an explosive charge placed at the center of the vessel. The procedure is validated for different initial guesses of the design variables.

Copyright © 2007 by ASME

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