Computational Aeroelasticity Using a Pressure-Based Solver

Abstract

The fluid-structure interaction problem is studied for two different wing configurations based on moving grid techniques. These configurations demonstrate the interaction between a rigid structure and fluid, as well as the interaction between a flexible structure and fluid. A loosely coupled approach is used to perform the combined fluid and structure computations. The flow solver is based on an unsteady, implicit, three-dimensional, multi-block, pressure -based Navier-Stokes solver. The rigid structural model is based on a linear, time-invariant model derived via classical structural finite elements whereas the flexible structural model is based on a non-linear dynamic membrane model with the material obeying the hyperelastic Mooney's model. A suitable interfacing technique is incorporated to couple and synchronize the flow and structure solver. We present unsteady computations performed on a 45 degrees wing with sweep back as well as a membrane wing typically motivated by micro-air vehicle applications.

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Document Details

Document Type
Technical Report
Publication Date
Feb 28, 2003
Accession Number
ADA414332

Entities

People

  • Andrew Kurdila
  • Ramji Kamakoti
  • Sean Regisford
  • Wei Shyy
  • Yongsheng Lian

Organizations

  • University of Florida

Tags

Communities of Interest

  • Air Platforms
  • Space

DTIC Thesaurus Topics

  • Aeroelasticity
  • Aircrafts
  • Boundaries
  • Computational Fluid Dynamics
  • Computational Science
  • Computations
  • Equations Of Motion
  • Euler Equations
  • Flexible Structures
  • Fluid Dynamics
  • Fluid Flow
  • Geometry
  • Materials
  • Mechanics
  • Micro Air Vehicles
  • Modal Analysis
  • Three Dimensional

Fields of Study

  • Physics

Readers

  • Fluid Dynamics.
  • Linear Algebra
  • Structural Dynamics.