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

Abstract

This research has 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. Keywords: Helicopter, Vibration, Stall.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1986
Accession Number
ADA175561

Entities

People

  • David A. Peters

Organizations

  • Georgia Tech

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms
  • Space

DTIC Thesaurus Topics

  • Aerodynamic Configurations
  • Aerodynamic Forces
  • Aircrafts
  • Airframes
  • Birds
  • Computational Science
  • Differential Equations
  • Dynamic Response
  • Dynamics
  • Equations
  • Fixed Wing Aircraft
  • Helicopter Rotors
  • Lifting Surfaces
  • Moment Of Inertia
  • Partial Differential Equations
  • Three Dimensional
  • Two Dimensional

Readers

  • Aerodynamics.
  • Computational Fluid Dynamics (CFD)
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)