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Assessment of Efficiency for a Hybrid Explicit/Implicit Code Simulation of a Multiple Impact Crash Scenario

[+] Author Affiliations
Chi Lo, Terry Hinnerichs, Jason Hales

Sandia National Laboratories

Paper No. IMECE2005-82360, pp. 381-386; 6 pages
doi:10.1115/IMECE2005-82360
From:
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Engineering/Technology Management
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Engineering and Technology Management Group
  • ISBN: 0-7918-4230-4 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME

abstract

Sandia National Laboratories has developed a new explicit nonlinear transient dynamic finite element code called Presto and an associated implicit code called Adagio. This paper describes a process used to assess the ability and efficiency for sharing the computational workload of a multiple impact crash simulation between the explicit (Presto) and the implicit (Adagio) codes to minimize computation time. A numeric example of this hybrid simulation process is given that applies to a dynamic beam impact scenario. Results from simulations using each code will be compared with the hybrid simulation and discussed.

Copyright © 2005 by ASME

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