Methodologies for Predicting and Testing the Combat Damage on Flight Envelopes

Abstract

Survivability of an aircraft in combat is achieved by not getting hit, or withstanding the effects of suffered hits. To assess the latter aspect of survivability of a given military aircraft, live-fire tests are performed on its wings. However, these tests may fail to provide accurate and complete vulnerability assessments, because the static and quasi-static ground loading techniques they currently rely on do not replicate the loads encountered during flight. This effort focuses on developing a numerical simulation technology for predicting the consequences of battle damage on the flight and flutter envelopes of fighters, assessing the impact of several contributors to aircraft survivability using full-order as reduced-order computational models, and assisting in the development of new dynamic live-fire testing methodologies that may remedy the shortcomings of current static ground-testing techniques. The report itself focuses on the technical achievements made during the first nine months of the third year of funding.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 2006
Accession Number
ADA458307

Entities

People

  • Charbel Farhat

Organizations

  • Stanford University

Tags

Communities of Interest

  • Air Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Actuators
  • Aeronautics
  • Air Force
  • Air Force Facilities
  • Aircrafts
  • Airframes
  • Aspect Ratio
  • Computational Fluid Dynamics
  • Fighter Aircraft
  • Flight Loads
  • Fluid Dynamics
  • Fuel Tanks
  • Hydraulic Jacks
  • Mach Number
  • Mechanics
  • Military Aircraft
  • Simulations

Fields of Study

  • Engineering

Readers

  • Mechanical Engineering/Mechanics of Materials.
  • Military Training and Readiness Simulation
  • Systems Analysis and Design