1–9 von 9 Ergebnissen
|

    Flutter Prediction Using Reduced-Order Modeling with Error Estimation

    Lowe, Brandon M. / Zingg, David W. | AIAA | 2022

    This paper presents a methodology for dynamic aeroelastic analysis of aircraft based on model order reduction with error estimation. A

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Angle of Attack

    Efficient Flutter Prediction Using Reduced-Order Modeling

    Lowe, Brandon M. / Zingg, David W. | AIAA | 2021
    associated computational costs. This paper presents a model order reduction framework as a step toward flutter-constrained aircraft optimization. The ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Cross Validation of Aerodynamic Shape Optimization Methodologies for Aircraft Wing-Body Optimization

    Reist, Thomas A. / Koo, David / Zingg, David W. et al. | AIAA | 2020
    comparison: a wing-body configuration representative of a large transport aircraft, and a wing-body configuration with aft-mounted nacelles typical ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Configurations , Transport Aircraft

    Investigation into Aerodynamic Shape Optimization of Planar and Nonplanar Wings

    Koo, David / Zingg, David W. | AIAA | 2017

    Problems in three-dimensional aerodynamic shape optimization can produce complex design spaces due to the nonlinear physics of the

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Configurations

    Comparison of B-Spline Surface and Free-Form Deformation Geometry Control for Aerodynamic Optimization

    Lee, Christopher / Koo, David / Zingg, David W. | AIAA | 2016
    optimization problems and compared on the bases of optimal shape performance and problem setup ease of use. For both methods, the geometry is ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Configurations

    Drag Minimization Based on the Navier–Stokes Equations Using a Newton–Krylov Approach

    Osusky, Lana / Buckley, Howard / Reist, Thomas et al. | AIAA | 2015
    preconditioning. Gradient evaluations are performed using the discrete-adjoint approach with analytical differentiation of the discrete flow and mesh ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Configurations

    Approach to Aerodynamic Design Through Numerical Optimization

    Buckley, Howard P. / Zingg, David W. | AIAA | 2013
    design problems for transonic civil transport aircraft and is extended to the formulation of aircraft range and endurance objective functions for ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Transport Aircraft

    Multimodality and Global Optimization in Aerodynamic Design

    Chernukhin, Oleg / Zingg, David W. | AIAA | 2013

    Two optimization algorithms are presented that are capable of finding a global optimum in a computationally efficient manner: a gradient

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Configurations

    Numerical aerodynamic optimization incorporating laminar-turbulent transition prediction

    Driver, Jon / Zingg, David W. | Tema Archiv | 2007
    . H., 'A Class of Airfoils Designed for High Lift in Incompressible Flow,' Journal of Aircraft, Vol. 10, No. 10, 1973, pp. 610-617) in the ...