1–10 von 10 Ergebnissen
|

    High-Fidelity Aerostructural Optimization with a Geometrically Nonlinear Flutter Constraint

    Gray, Alasdair C. / Riso, Cristina / Jonsson, Eirikur et al. | AIAA | 2023
    , subsonic flutter constraint that captures the large in-flight deflections of very flexible aircraft into high-fidelity gradient-based ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Wing Design , Aircraft Flutter

    High-Fidelity Gradient-Based Wing Structural Optimization Including Geometrically Nonlinear Flutter Constraint

    Jonsson, Eirikur / Riso, Cristina / Monteiro, Bernardo Bahia et al. | AIAA | 2023
    undeformed wing adds a mass penalty of only 10%. This methodology can help design energy-efficient aircraft with high-aspect-ratio wings, which ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Components and Structure , Aircraft Wing Design

    Estimating Flutter Bifurcation Diagrams Using the State Velocity

    Riso, Cristina / Cesnik, Carlos E. S. / Epureanu, Bogdan I. | AIAA | 2022

    This paper introduces a method for estimating flutter bifurcation diagrams of systems described by time-domain state-space models. The

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

    Flexible Aircraft Simulation Validation with Flight Test Data

    Guimarães Neto, Antônio B. / Barbosa, Guilherme C. / Paulino, Juliano A. et al. | AIAA | 2021

    The challenges of modeling flexible aircraft include appropriate fidelity capturing and validation with experimental data. In fact, the

     ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Loop-Separation Control for Very Flexible Aircraft

    González, Pedro J. / Silvestre, Flávio J. / Pereira, Mateus de Freitas Virgilio et al. | AIAA | 2020

    In this research, a loop-separation concept (LSC) is applied to a very flexible aircraft. Appealing features of this control

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Transport Aircraft , Angle of Sideslip

    Data-Driven Forecasting of Postflutter Responses of Geometrically Nonlinear Wings

    Riso, Cristina / Ghadami, Amin / Cesnik, Carlos E. S. et al. | AIAA | 2020

    Ensuring adequate flutter margins is a critical step in aircraft design. However, in the presence of nonlinear effects, subcritical

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

    Aeroelastic Stability of Conventional and Tow-Steered Composite Plates Under Stochastic Fiber Volume

    Guimarães, Thiago A. M. / Silva, Higor L. / Rade, Domingos A. et al. | AIAA | 2020
    quantification in the design of aircraft and spacecraft structures when uncertainties induced by the manufacturing process must be dealt with. ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Propeller Effects on the Response of High-Altitude Long-Endurance Aircraft

    Teixeira, Patricia C. / Cesnik, Carlos E. S. | AIAA | 2019
    inertial effects on the response of a very flexible aircraft is presented, verified and used to investigate the propeller effects on the ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Geometrically Nonlinear Aeroelastic Scaling for Very Flexible Aircraft

    Wan, Zhiqiang / Cesnik, Carlos E. S. | AIAA | 2014
    aeroelastic analysis to be conducted in such class of vehicles. Aeroelastic scaling is an important way to study the aeroelastic behavior of aircraft ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Joined Wing Aircraft

    X-HALE: A Very Flexible Unmanned Aerial Vehicle for Nonlinear Aeroelastic Tests

    Cesnik, Carlos E. S. / Senatore, Patrick J. / Su, Weihua et al. | AIAA | 2012
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Remotely Piloted Aircraft , Aircraft Configurations , Aircraft Flight Dynamics