Complete Configuration Aero-Structural Optimization Using a Coupled Sensitivity Analysis Method

Abstract

This paper focuses on the demonstration of a new integrated aero-structural design method for aerospace vehicles. The approach combines an aero-structural analysis solver, a coupled aero-structural adjoint solver, a geometry-based analysis and design integration strategy, and an efficient gradient-based optimization algorithm. The aero-structural solver ensures highly accurate solutions by using high-fidelity models for both disciplines as well as a high-fidelity coupling procedure. The Euler equations are solved for the aerodynamics and a detailed finite element model is used for the primary structure. The coupled aero-structural adjoint solution is used to calculate the needed sensitivities of aerodynamic and structural cost functions with respect to both aerodynamic shape and

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2002
Accession Number
ADA455479

Entities

People

  • James J. Reuther
  • Joaquim R. Martins
  • Juan J. Alonso

Organizations

  • National Aeronautics and Space Administration

Tags

Communities of Interest

  • Air Platforms
  • Space

DTIC Thesaurus Topics

  • Aeronautics
  • Aerospace Craft
  • Aircraft Design
  • Aircrafts
  • Airfoils
  • Airframes
  • Algorithms
  • Astronautics
  • Computational Fluid Dynamics
  • Computational Science
  • Fluid Dynamics
  • Geometry
  • Numerical Analysis
  • Optimization
  • Reliability
  • Sensitivity
  • Structural Analysis

Fields of Study

  • Physics

Readers

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

Technology Areas

  • Space