Prediction of Rotor-Blade Deformations Due to Unsteady Airloads

Abstract

SOFIA, a computer code for aeroelastic computations, was applied to predict the rotor blade deformations due to unsteady airloads caused by BVI and to investigate appropriate control movements to minimize vibration and noise. The computation of the unsteady, compressible, inviscid flow about rotor-blades uses an Euler CFD code, while a quasi one-dimensional structural solver is used to compute the deformation of the rotor blades.

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Document Details

Document Type
Technical Report
Publication Date
Jul 31, 1994
Accession Number
ADA286593

Entities

People

  • Josef Ballmann
  • Stefan Schlechtriem

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Acoustic Propagation
  • Acoustic Waves
  • Acoustics
  • Computational Fluid Dynamics
  • Computations
  • Elastic Properties
  • Flow
  • Frequency
  • Inviscid Flow
  • Leading Edges
  • Mach Number
  • Mechanics
  • Noise
  • Noise Reduction
  • Pressure Gages
  • Three Dimensional
  • Waves

Fields of Study

  • Physics

Readers

  • Aerodynamics.
  • Computational Fluid Dynamics (CFD)