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    Gradient-Based Propeller Optimization with Acoustic Constraints

    Ingraham, Daniel / Gray, Justin / Lopes, Leonard V. | NTRS | 2019

    Gradient-Based Propeller Optimization with Acoustic Constraints

    Ingraham, Daniel / Gray, Justin / Lopes, Leonard V. | NTRS | 2019

    Recent Aeroacoustic Tools and Methods Developments for Analysis and Design of Advanced Aviation Systems

    Rizzi, Stephen A. / Lopes, Leonard V. / Burley, Casey L. | NTRS | 2015

    Auralization Architectures for NASA?s Next Generation Aircraft Noise Prediction Program

    Rizzi, Stephen A. / Lopes, Leonard V. / Burley, Casey L. et al. | NTRS | 2013

    Open Rotor Tone Shielding Methods for System Noise Assessments Using Multiple Databases

    Bahr, Christopher J. / Thomas, Russell H. / Lopes, Leonard V. et al. | NTRS | 2014

    System Noise Assessment and the Potential for a Low Noise Hybrid Wing Body Aircraft with Open Rotor Propulsion

    Thomas, Russell H. / Burley, Casey L. / Lopes, Leonard V. et al. | NTRS | 2014

    Noise Scaling and Community Noise Metrics for the Hybrid Wing Body Aircraft

    Burley, Casey L. / Brooks, Thomas F. / Hutcheson, Florence V. et al. | NTRS | 2014