Effect of Blade Structural Parameters on Helicopter Vibrational Characteristics.

Abstract

This final report covers 6 1/2 years of ARO-sponsored research into the fundamental mechanisms of rotor vibrations. This research effort has spanned several areas of vibration analysis including structural coupling, rotor-body interaction, dynamic stall, and the computational problems associated therewith (especially rotor trim). The main body of this report consists of reprints of some of the papers written during the reporting period. Topics include: Effect of Blade Structural Parameters on Helicopter Vibrational Characteristics; Coupled Rotor/Airframe Vibration Analysis by a Combined Harmonic-Balance, Impedance Matching Method; Application of an Analytic Stall Model to Time-History and Eigenvalue Analysis of Rotor Blades; and Comparison of Three Numerical Trim Methods for Rotor Air Loads.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1983
Accession Number
ADA134547

Entities

People

  • David A. Peters

Organizations

  • University of Washington

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms

DTIC Thesaurus Topics

  • Air Force
  • Aircrafts
  • Airframes
  • Computational Fluid Dynamics
  • Computational Science
  • Differential Equations
  • Dynamic Response
  • Helicopter Rotors
  • Helicopters
  • Mach Number
  • Military Research
  • Numerical Integration
  • Students
  • Three Dimensional
  • Two Dimensional
  • Vibration
  • Wind Tunnels

Readers

  • Aerodynamics.
  • Aerospace Engineering
  • Technical Research and Report Writing.