Effect of Dynamic Stall and Elastic Parameters on the Fundamental Mechanisms of Helicopter Vibrations

Abstract

This research dealt with the modeling and solution of rotary-wing dynamics. In the modeling area, it deals with elastic-blade models, ways to introduce rotor-body coupling, aerodynamic behavior near blade-tips, and the modeling of dynamic stall. In solution strategies, we have concentrated on new and improved Floquet methods, on innovative trim methodologies (such as auto- pilot and periodic shooting), on efficient formulation of equations, and on lifting-line and lifting-surface meshes.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1985
Accession Number
ADA160022

Entities

People

  • D. A. Peters

Organizations

  • University of Washington

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Automatic
  • Automatic Pilots
  • Blade Tips
  • Blades
  • Couplings
  • Differential Equations
  • Dynamics
  • Efficiency
  • Equations
  • Experimental Data
  • Helicopters
  • Lifting Surfaces
  • Military Research
  • Nonlinear Differential Equations
  • Physical Properties
  • Rotary Wing Aircraft
  • Scientists

Readers

  • Aerodynamics.
  • Aerospace Engineering
  • Control Systems Engineering.