Simulation Correlation, and Analysis of the Structural Response of a CH-47A to Crash Impact.

Abstract

The purpose of this effort was to model the dynamic response of the CH-47A helicopter to a crash impact using program KRASH and to correlate the results with data from a CH-47A crash impact test. An improved version of KRASH developed at Boeing Vertol was used for this purpose. This report contains details of the development of a CH-47A KRASH structural model, the pretest predictions, and the description of the CH-47A crash impact test data. Post-test improvements to the structural model to improve correlation with test data are discussed. Problems related to the computer program which arose during the course of the simulation and correlation efforts are discussed in detail. It is concluded that the use of KRASH for simulation of the dynamic response of helicopters to crash impact is currently limited. It is recommended that KRASH be improved in order for it to be useful as a design tool for the analysis of structural crashworthiness. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1978
Accession Number
ADA062643

Entities

People

  • Y. V. Badrinath

Organizations

  • Boeing Rotorcraft Systems

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Ground and Sea Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Aircraft Doors
  • Aircraft Equipment
  • Aircrafts
  • Airframes
  • Command And Control
  • Computer Programs
  • Dynamic Response
  • Failure Mode And Effect Analysis
  • Fixed Wing Aircraft
  • Fuselages
  • Mass Transportation
  • Measurement
  • Plastic Explosives
  • Radar Altimeters
  • Rotary Wing Aircraft
  • Transport Aircraft

Readers

  • Aerospace Engineering
  • Computational Modeling and Simulation
  • Explosive Engineering.