1–20 von 29 Ergebnissen
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    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

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

    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

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    Verlag: The American Institute of Aeronautics and Astronautics

    Benchmark Aerostructural Models for the Study of Transonic Aircraft Wings

    Brooks, Timothy R. / Kenway, Gaetan K. W. / Martins, Joaquim R. R. A. | AIAA | 2018
    structure. Additionally, because modern transport aircraft are trending toward higher-aspect-ratio wing designs, a higher-aspect-ratio variant of ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Transonic Aircraft , Aircraft Configurations

    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

    Multimission Aircraft Fuel-Burn Minimization via Multipoint Aerostructural Optimization

    Liem, Rhea P. / Kenway, Gaetan K. W. / Martins, Joaquim R. R. A. | AIAA | 2014
    strategy to formulate multipoint design optimization problems is developed that can maximize the aircraft performance over a large number of ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Commercial Aircraft , Aircraft Configurations , Aircraft Performance

    Computation of Aircraft Stability Derivatives Using an Automatic Differentiation Adjoint Approach

    Mader, Charles A. / Martins, Joaquim R. R. A. | AIAA | 2011
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Configurations

    Flexible Formulation of Spatial Integration Constraints in Aerodynamic Shape Optimization

    Brelje, Benjamin J. / Anibal, Joshua L. / Yildirim, Anil et al. | AIAA | 2020
    aircraft aerodynamic characteristics, aircraft systems and passengers or payloads must fit inside. Emerging categories of aircraft, such as ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Design , Electric Aircraft , Aircraft Systems

    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

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

    Multidisciplinary Design Optimization: A Survey of Architectures

    Martins, Joaquim R. R. A. / Lambe, Andrew B. | AIAA | 2013

    Multidisciplinary design optimization is a field of research that studies the application of numerical optimization techniques to the

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    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Design

    Multimodality in Aerodynamic Wing Design Optimization

    Bons, Nicolas P. / He, Xiaolong / Mader, Charles A. et al. | AIAA | 2019

    The application of gradient-based optimization to wing design could potentially reveal revolutionary new wing concepts. Giving the

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

    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

    Computing Stability Derivatives and Their Gradients for Aerodynamic Shape Optimization

    Mader, Charles A. / Martins, Joaquim R. R. A. | AIAA | 2014

    Aerodynamic shape optimization of aircraft configurations often ignores stability considerations. To address this, a method for the

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    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Configurations , Aircraft Design , Tailless Aircraft

    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

    Multipoint Aerodynamic Shape Optimization Investigations of the Common Research Model Wing

    Kenway, Gaetan K. W. / Martins, Joaquim R. R. A. | AIAA | 2015
    still not well understood. This paper addresses this issue by solving a series of seven benchmark optimizations developed by the AIAA ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Configurations

    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

    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

    Aerodynamic Shape Optimization Investigations of the Common Research Model Wing Benchmark

    Lyu, Zhoujie / Kenway, Gaetan K. W. / Martins, Joaquim R. R. A. | AIAA | 2014
    results. This work addresses this issue by solving a series of aerodynamic shape optimization problems based on the Common Research Model wing ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Configurations

    Scalable Parallel Approach for High-Fidelity Steady-State Aeroelastic Analysis and Adjoint Derivative Computations

    Kenway, Gaetan K. W. / Kennedy, Graeme J. / Martins, Joaquim R. R. A. | AIAA | 2014
    adjoint. The parallel scalability of the methods is demonstrated for a full aircraft configuration using an Euler computational fluid dynamics ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Configurations , Aircraft Wings

    DAFoam: An Open-Source Adjoint Framework for Multidisciplinary Design Optimization with OpenFOAM

    He, Ping / Mader, Charles A. / Martins, Joaquim R. R. A. et al. | AIAA | 2020
    of a transonic aircraft configuration, aerothermal optimization of a turbine internal cooling passage, and aerostructural optimization of a ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Aircraft Configurations