Fluid-Structure Interaction Evaluation of F-16 Limit Cycle Oscillations

Abstract

Application of high-fidelity computational science and engineering (CSE) tools provide better data for decisions to enhance weapon systems acquisition, testing, and support. Fluid structure interaction (FSI) simulation is being evaluated to quantify aero-structural dynamic mechanisms that bound F-16 limit cycle oscillations (LCO). The intent of the research objectives is to provide a better understanding of flight-test aero-structural observations through the utilization of CSE tools. Validation of results provided by CSE tools using experimental testing as the truth source, allows for development of methods and processes to accurately determine coupled-field physical characteristics of full fighter aircraft configurations. Specifically for F-16 LCO, the response frequency, coupled mode response, and flutter/LCO onset velocity are evaluated for comparison of CSE tool results against flight test results.

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Document Details

Document Type
Technical Report
Publication Date
Jan 09, 2012
Accession Number
ADA553767

Entities

People

  • Jason A. Lechniak
  • Keerti K. Bhamidipati

Organizations

  • Air Force Test Center

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Materials and Manufacturing Processes
  • Weapons Technologies

DTIC Thesaurus Topics

  • Acquisition
  • Air Force
  • Aircrafts
  • Computational Fluid Dynamics
  • Computational Science
  • Engineering
  • Fighter Aircraft
  • Flight Testing
  • Fluid Dynamics
  • Fluid Flow
  • Frequency
  • Mach Number
  • Physics
  • Simulations
  • Test And Evaluation
  • Validation
  • Weapon Systems

Readers

  • Aerodynamics/Aeronautics.
  • Computational Fluid Dynamics (CFD)
  • Life Cycle Cost Analysis