Utilization of Fast Running Models in Buried Blast Simulations of Ground Vehicles for Significant Computational Efficiency

Abstract

Over the course of typical survivability analyses for underbody blast events, a multitude of individual cases are examined where charge size, charge location relative to the vehicle, and vehicle clearance from the ground are varied, so as to arrive at a comprehensive assessment. While multi-physics computational tools have reduced the expense and difficulty of testing each loading case experimentally, these tools still often require significant execution and wall-clock times to perform the simulations. In efforts to greatly reduce the time required to conduct a holistic survivability analysis, Fast Running Models (FRMs) have been implemented and validated to act as a surrogate for the computationally expensive finite element tools in use today. Built using a small set of simulations, FRMs generate loading data in a matter of seconds, representing a significant improvement in survivability analysis turnaround time.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 2013
Accession Number
ADA590114

Entities

People

  • Craig Barker
  • Liangjun Li
  • Nicholas Stowe
  • Nickolas Vlahopoulos
  • Ravi Thyagarajan
  • Syed Mohammad

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Blast
  • Blast Loads
  • Clearances
  • Dynamic Response
  • Engineering
  • Equations
  • Explosives
  • Ground Vehicles
  • Materials
  • Molecular Dynamics
  • Physics
  • Reliability
  • Simulations
  • Structural Response
  • Systems Engineering
  • Test And Evaluation
  • Training

Readers

  • Computational Fluid Dynamics (CFD)
  • Computational Modeling and Simulation
  • Explosive Engineering.