Publications

2025

B. Y. Zhou, L. P. Hanson, S. F. Pullin, B. Zang, J. Hauth, and X. Huan, “A Data-Driven Propeller Noise Prediction Approach with Transfer and Active Learning”, AIAA Journal. (Under Review) 

L. Trascinelli, L. Bowen, B. Y. Zhou, and N. Zang, “Flow and acoustic characteristics of isotropic turbulence interacting with a symmetric airfoil”, Physics of Fluids, Vol. 37, No. 2, 2025.

2024

L. Trascinelli, L. P. Hanson, G. Romani, D. Casalino, B. Y. Zhou, B. Zang, and M. Azarpey- vand, “Numerical Simulations of Cylinder-Induced Turbulence Ingestion in Forward Flight Propellers”, In 30th AIAA/CEAS Aeroacoustics Conference, No. 2024-3040, Rome, Italy, 2024.

L. Abergo, A. Guardone, S. F. Pullin, and B. Y. Zhou, “Adjoint-Based Tonal and Broadband Aeroacoustic Optimization of Propeller Blades With Amiet Model”, In 30th AIAA/CEAS Aeroacoustics Conference, No. 2024-3130, Rome, Italy, 2024.

S. F. Pullin, M. J. Groom, B. Y. Zhou, and M. Azarpeyvand, “A GPU-Accelerated Mid- Fidelity Aerodynamic and Aeroacoustic Simulation Framework”, In 30th AIAA/CEAS Aeroa- coustics Conference, No. 2024-3151, Rome, Italy, 2024.

F. T. Kunz, L. Ugur, B. Y. Zhou, and R. Ewert, “A Machine Learning FRPM Model for Broadband Noise Prediction”, In 30th AIAA/CEAS Aeroacoustics Conference, No. 2024-3129, Rome, Italy, 2024.

K. Barry, S. F. Pullin, B. Y. Zhou, and L. F. Filho, “Mid-Fidelity Simulation of a Tandem Propeller and Wing Configuration for EVTOL Vehicles”, In 30th AIAA/CEAS Aeroacoustics Conference, No. 2024-3041, Rome, Italy, 2024.

L. Ugur, F. T. Kunz, and B. Y. Zhou, “Field Inversion Machine Learning Based Stochastic Noise Generation Model for Jet Noise Prediction”, In 30th AIAA/CEAS Aeroacoustics Conference, No. 2024-3127, Rome, Italy, 2024. (Best Student Paper Award)

L. Trascinelli, L. P. Hanson, L. F. Filho, B. Zang, B. Y. Zhou, and M. Azarpeyvand, “An Aeroacoustic Investigation of Propeller Installation Effects in the Vicinity of an Airfoil”, In 30th AIAA/CEAS Aeroacoustics Conference, No. 2024-3104, Rome, Italy, 2024.

A. Ghiglino, B. Y. Zhou, J. Branch, B. Zang, M. Azarpeyvand, J. Rendon, and S. Moreau, “A Data-Driven Method for Stall Noise Predictions”, In 30th AIAA/CEAS Aeroacoustics Conference, No. 2024-3128, Rome, Italy, 2024.

B. B. Turhan, L. F. Filho, S. F. Pullin, B. Y. Zhou, H. K. Jawahar, A. Gautam, D. Rezgui, and M. Azarpeyvand, “Numerical and Experimental Analysis of Synchronized Propellers for Noise Mitigation”, In 30th AIAA/CEAS Aeroacoustics Conference, No. 2024-3237, Rome, Italy, 2024.

M. J. Groom, B. Y. Zhou, and L. V. Lopes, “Aeroacoustic Optimization of Installed Propeller Configurations with Scattering and Shielding Effects”, In 30th AIAA/CEAS Aeroacoustics Conference, No. 2024-3039, Rome, Italy, 2024.

T. Shanbhag, B. Y. Zhou, C. R. da Silva, and J. J. Alonso, “Adjoint-Based Jet Noise Minimization Using Geometrical Acoustics”, In 30th AIAA/CEAS Aeroacoustics Conference, No. 2024-3068, Rome, Italy, 2024.

A. Ravishankara, H. Ozdemir, M. Zaki, B. Y. Zhou, and K. Venner, “ Computational Aerodynamic and Aeroacoustic Analysis of Stalled Airfoil Sections”, In 30th AIAA/CEAS Aeroacoustics Conference, No. 2024-3404, Rome, Italy, 2024.

M. J. Groom, S. F. Pullin, B. Y. Zhou, and Q. Wang, “A Galerkin Time Domain Boundary Element Method for Scattering and Shielding of Installed Propeller Noise”, In AIAA SciTech Forum, No. 2024-2810, Orlando, FL, 2024

T. Shanbhag, B. Y. Zhou, C. R. da Silva, and J. J. Alonso, “An AD Framework for Jet Noise Minimization using Geometrical Acoustics”, In AIAA SciTech Forum, No. 2024-2309, Orlando, FL, 2024

2023

M. Morelli, J. Hauth, A. Guardone, X. Huan, and B. Y. Zhou, “A Rotorcraft In-flight Ice Detection Framework Using Computational Aeroacoustics and Bayesian Neural Networks”, Special Issue on “Advanced Optimization Enabling Digital Twin Technology”, Structural and Multidisciplinary Optimization, Vol. 66, No. 9, 2023.

J. Rottmayer, E. Oezkaya, S. Satcunanathan, B. Y. Zhou, M. Aehle, N. R. Gauger, M. Meinke, and W. Schr ̈oder, and S. F. Pullin, “Trailing-Edge Noise Reduction using Porous Treatment and Surrogate-based Global Optimization”, In arXiv:2301.13047, 2023

L. Abergo, M. Morelli, S. F. Pullin, B. Y. Zhou, and A. Guardone, “Adjoint-Based Aeroa- coustic Optimization of Propeller Blades in Rotating Reference Frame”, In AIAA AVIATION 2023 Forum, No. 2023-3836, San Diego, CA, 2023.

L. Trascinelli, L. Bowen, A. Piccolo, R. Zamponi, D. Ragni, F. Avallone, B. Y. Zhou, and B. Zang, “Numerical Simulation of Grid-Generated Turbulence Interaction with a NACA0012 Airfoil”, In AIAA AVIATION 2023 Forum, No. 2023-3633, San Diego, CA, 2023.

A. Ghiglino, S. F. Pullin, B. Y. Zhou, H. Abid, and S. Karabasov, “Towards an Adaptive Trailing-Edge Noise Model using a Data-Driven Approach”, In AIAA AVIATION 2023 Forum, No. 2023-4371, San Diego, CA, 2023.

B. Y. Zhou, L. P. Hanson, S. F. Pullin, B. Zang, J. Hauth, and X. Huan, “Multi-Fidelity Propeller Noise Prediction using a Data-Driven Approach”, In AIAA AVIATION 2023 Forum, No. 2023-4184, San Diego, CA, 2023.

F. Caccia, L. Abergo, A. Savino, M. Morelli, B. Y. Zhou, G. Gori, A. Zanotti, G. Gibertini, L. Vigevano, and A. Guardone, “Multi-Fidelity Numerical Approach to Aeroacoustics of Tandem Propellers in eVTOL Airplane Mode”, In AIAA AVIATION 2023 Forum, No. 2023-3221, San Diego, CA, 2023.

S. F. Pullin, A. Ghiglino, B. Y. Zhou, and M. Azarpeyvand, “Rapid Optimisation of Propellers with Tonal and Broadband Aeroacoustic Constraints”, In AIAA AVIATION 2023 Forum, No. 2023-3834, San Diego, CA, 2023.

F. T. Kunz, B. Y. Zhou, L. Galimberti, M. Morelli, and A. Guardone, “High-Fidelity Propeller Broadband Noise Prediction using SU2”, In AIAA AVIATION 2023 Forum, No. 2023-4185, San Diego, CA, 2023.

L. Galimberti, M. Morelli, A. Guardone, and B. Y. Zhou, “Propeller Noise Prediction Capabilities within SU2”, In AIAA SciTech Forum, No. 2023-1548, National Harbor, MD, 2023

2022

 L. Bowen, A. Celik, B. Y. Zhou, M. F. Westin, and M. Azarpeyvand, “The effect of leading edge porosity on airfoil turbulence interaction noise”, Journal of the Acoustical Society of America, Vol. 152, No. 3, pp. 1437-1448, 2022.

T. Shanbhag, B. Y. Zhou, C. R. da Silva, and J. J. Alonso, “Ray Tracing Methodology for Jet Noise Prediction”, In 11th International Conference on Computational Fluid Dynamics, No. ICCFD11-2022-1201, Hawaii, 2022.

M. Morelli, A. Guardone, and B. Y. Zhou, “Computational Aeroacoustic Analysis of a Wing- Tip Mounted Propeller and High-Lift Device”, In 28th AIAA/CEAS Aeroacoustics Conference, No. 2022-2939, Southampton, United Kingdom, 2022.

M. J. Groom, B. Y. Zhou, and Q. Wang, “Efficient Prediction of Leading Edge Noise with a Synthetic Turbulence Approach”, In 28th AIAA/CEAS Aeroacoustics Conference, No. 2022-2819, Southampton, United Kingdom, 2022.

B. Y. Zhou, L. P. Hanson, S. F. Pullin, B. Zang, J. Hauth, and X. Huan, “A Data-Driven Approach for Enhancement of Propeller Performance Prediction”, In 28th AIAA/CEAS Aeroacoustics Conference, No. 2022-3106, Southampton, United Kingdom, 2022.

S. F. Pullin, B. Y. Zhou, and M. Azarpeyvand, “Optimisation of Propellers with Noise-Based Constraints Including a Deep Learning Method for Aerofoil Prediction”, In 28th AIAA/CEAS Aeroacoustics Conference, No. 2022-3073, Southampton, United Kingdom, 2022.

L. P. Hanson, K. Baskaran, S. F. Pullin, B. Y. Zhou, B. Zang, and M. Azarpeyvand, “Aeroa- coustic and Aerodynamic Characteristics of Propeller Tip Geometries”, In 28th AIAA/CEAS Aeroacoustics Conference, No. 2022-3075, Southampton, United Kingdom, 2022.

M. J. Groom, Q. Wang, and B. Y. Zhou, “A Mid-Fidelity Numerical Framework for Efficient Prediction of Propeller-Wing Interaction Noise”, In AIAA SciTech 2022 Forum, No. 2022-2165, San Diego, CA, 2022.

H. Tong, J. Hauth, X. Huan, B. Y. Zhou, N. R. Gauger, M. Morelli, and A. Guardone, “Bayesian Recurrent Neural Networks for Monitoring Rotorcraft Icing from Aeroacoustics Time-Series Data”, In AIAA SciTech 2022 Forum, No. 2022-2358, San Diego, CA, 2022.

2021

S. Schotthoefer, B. Y. Zhou, T. Albring, and N. R. Gauger, “Regularization for Adjoint-Based Unsteady Aerodynamic Optimization Using Windowing Techniques”, AIAA Journal, Vol. 59, No. 7, pp.2517-2531, 2021

B. Y. Zhou, T. Albring, N. R. Gauger, C. R. da Silva, T. D. Economon, and J. J. Alonso, “An Efficient Airframe Noise Reduction Framework via Adjoint-based Shape Optimization”, AIAA Journal, Vol. 59, No. 2, pp.580-595, 2021

G. Suarez, B. Y. Zhou, E. Oezkaya, R. Pochampalli, and N. R. Gauger, “Towards Turbu- lence Modeling Enhancement via the Correction of Boussinesq’s Hypothesis – A Data-Driven Approach”, AIAA AVIATION 2021 Forum, No. 2021-3088, Virtual Event, 2021.

B. Y. Zhou, M. Morelli, P. Dehpanah, N. R. Gauger, and A. Guardone, “Aeroacoustic Analysis of a Wing-Tip Mounted Propeller Configuration”, AIAA AVIATION 2021 Forum, No. 2021-2224, Virtual Event, 2021.

T. Shanbhag, B. Y. Zhou, E. Molina, and J. J. Alonso, “A Comparison of Jet Acoustic Analysis Methods”, AIAA AVIATION 2021 Forum, No. 2021-2102, Virtual Event, 2021.

R. Pochampalli, E. Oezkaya, B. Y. Zhou, G. Suarez, and N. R. Gauger, “Application of Mul- titask Learning for Enhancement of Spalart-Allmaras Turbulence Model”, Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 151, pp. 77-86, 2021.

A. Jivani, X. Huan, C. Safta, B. Y. Zhou, and N. R. Gauger, “Uncertainty Quantification for a Turbulent Round Jet Using Multifidelity Karhunen-Loeve Expansions”, In AIAA SciTech 2021 Forum, No. 2021-1367, Virtual Event, 2021.

R. Pochampalli, E. Oezkaya, B. Y. Zhou, G. Suarez, and N. R. Gauger, “Machine learning enhancement of Spalart-Allmaras Turbulence Model using Convolutional Neural Network”, In AIAA SciTech 2021 Forum, No. 2021-1017, Virtual Event, 2021.

2020

M. Morelli, B. Y. Zhou, and A. Guardone, “Acoustic Characterization of Glaze and Rime Ice Structures on an Oscillating Airfoil via Fully Unsteady Simulations”, Journal of the American Helicopter Society, Vol. 65, No. 4, pp.1-12, 2020

B. Y. Zhou, N. R. Gauger, M. Morelli, and A. Guardone, “Simulation and Sensitivity Analysis of a Wing-Tip Mounted Propeller Configuration from the Workshop for Integrated Propeller Prediction (WIPP)”, AIAA AVIATION 2020 Forum, No. 2020-2683, Reno, NV, 2020.

S. Schotthoefer, B. Y. Zhou, T. Albring, and N. R. Gauger, “Windowing Regularization Techniques for Unsteady Aerodynamic Shape Optimization”, In AVIATION 2020 Forum, No. 2020-3130, Reno, NV, 2020. (Best Student Paper Award)

R. O. Icke, O. Baysal, A. Moy, L. Lopes, B. Y. Zhou, and B. Diskin, “Toward Adjoint-Based Aeroacoustic Optimization for Propeller and Rotorcraft Applications”, In AVIATION 2020 Forum, No. 2020-3140, Reno, NV, 2020.

C. C. Pederson, P. Paredes, M. M. Choudhari, B. Y. Zhou, and B. Diskin, “Shape Optimization of Vortex Generators to Control Mack Mode Amplification”, In AIAA AVIATION 2020 Forum, No. 2020-2963, Reno, NV, 2020.

B. Y. Zhou, N. R. Gauger, M. Morelli, A. Guardone, J. Hauth, and X. Huan, “Development of a Real-Time In-Flight Ice Detection System via Computational Aeroacoustics and Bayesian Neural Networks”, In AIAA SciTech 2020 Forum, No. 2020-1638, Orlando, FL, 2020.

W. Shen, X. Huan, B. Y. Zhou, and N. R. Gauger, “Towards Design of Airfoil Pressure Tap Locations for Real-Time Predictions Under Uncertainty Using Bayesian Neural Networks”, In AIAA SciTech 2020 Forum, No. 2020-0906, Orlando, FL, 2020.

J. Hauth, X. Huan, B. Y. Zhou, N. R. Gauger, M. Morelli, and A. Guardone, “Correlation Effects in Bayesian Neural Networks for Computational Aeroacoustics Ice Detection”, In AIAA SciTech 2020 Forum, No. 2020-1414, Orlando, FL, 2020.

B. Y. Zhou, N. R. Gauger, S. Satcunanathan, M. Meinke, and W. Schroeder, “Adjoint-based Trailing-edge Noise Minimization using Stochastic Noise Generation”, In AIAA SciTech 2020 Forum, No. 2020-1727, Orlando, FL, 2020.

M. Park, W. Kleb, W. Anderson, S. Wood, A. Balan, B. Y. Zhou, and N. R. Gauger, “Exploring Unstructured Mesh Adaptation for Hybrid Reynolds-Averaged Navier–Stokes/Large Eddy Simulation”, In AIAA SciTech 2020 Forum, No. 2020-1139, Orlando, FL, 2020.

2019

E. W. Scheehagen, B. Y. Zhou, and E. Sarradj, “Numerical Simulation Of The Flow Noise Of A Finite Circular Cylinder”, In INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 259, No. 3, pp.6954-6965, 2019

E. W. Scheehagen, B. Y. Zhou, E. Sarradj, and N. R. Gauger, “Aeroakustische Simulation einer umstroemten Zylinderkonfiguration mit SU2”, In Proceedings of the German Acoustical Society (DEGA), Rostock, Germany, 2019

28. B. Y. Zhou, N. R. Gauger, B. Diskin, J. K. Pardue, A. Chernikov, C. Tsolakis, F. Drakopoulos, and N. N. Chrisochoides, “Hybrid RANS/LES Simulation of Vortex Breakdown Over a Delta Wing”, In AIAA AVIATION 2019 Forum, No. 2019-3524, Dallas, TX, 2019.

B. Y. Zhou, N. R. Gauger, J. Hauth, X. Huan, M. Morelli, and A. Guardone, “Towards Real-Time In-Flight Ice Detection Systems via Computational Aeroacoustics and Machine Learning”, In AIAA AVIATION 2019 Forum, No. 2019-3103, Dallas, TX, 2019.

M. Morelli, B. Y. Zhou, and A. Guardone, “Simulation and Analysis of Oscillating Airfoil Ice Shapes via a Fully Unsteady Collection Efficiency Approach”, In Vertical Flight Society 75th Annual Forum & Technology Display, Philadelphia, PA, 2019.

B. Y. Zhou, N. R. Gauger, H. Yao, S. Peng, and L. Davidson, “Adjoint-based Broadband Noise Minimization using Stochastic Noise Generation”, In 25th AIAA/CEAS Aeroacoustics Conference, No. 2019-2697, Delft, 2019.

E. Molina, B. Y. Zhou, J. J. Alonso, M. Righi, and R. G. Silva, “Flow and Noise Predictions Around Tandem Cylinders using DDES approach with SU2”, In AIAA SciTech 2019 Forum, No. 2019-0326, San Diego, CA, 2019.

T. Albring, B. Y. Zhou, and N. R. Gauger, “Challenges in Sensitivity Computations for (D)DES and URANS”, In AIAA SciTech 2019 Forum, No. 2019-0169, San Diego, CA, 2019.

B. Y. Zhou, N. R. Gauger, H. Yao, S. Peng, and L. Davidson, “Towards Adjoint-based Broadband Noise Minimization using Stochastic Noise Generation”, In AIAA SciTech 2019 Forum, No. 2019-0002, San Diego, CA, 2019.

2010-2018

B. Y. Zhou, N. R. Gauger, S. Koh, M. Meinke, and W. Schroeder, “A Discrete Adjoint Framework for Trailing-Edge Noise Minimization via Porous Material”, Computers and Fluids, Vol. 172, pp. 97-108, 2018

S. Koh, B. Y. Zhou, M. Meinke, N. R. Gauger, and W. Schroeder, “Numerical Analysis of the Impact of Variable Porosity on Trailing-Edge Noise”, Computers and Fluids, Vol. 167, pp. 66-81, 2018

B. Y. Zhou, “Numerical Optimization for Airframe Noise Reduction”, Ph.D. Dissertation, RWTH Aachen University, 2018

S. Nimmagadda, T. D. Economon, J. J. Alonso, C. R. da Silva, B. Y. Zhou, and T. Albring, “Low-cost Unsteady Discrete Adjoints for Aeroacoustic Optimization using Temporal and Spatial Coarsening Techniques”, In 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, No. 2018-1911, Kissimmee, FL, 2018.

S. Koh, M. Meinke, W. Schroeder, B. Y. Zhou, and N. R. Gauger, “Impact of Permeable Surface on Trailing-Edge Noise at Varying Lift”, In 20th AIAA/CEAS Aeroacoustics Conference, No. 2017-3497, Denver, CO, 2017

16. B. Y. Zhou, T. Albring, N. R. Gauger, C. R. da Silva, T. D. Economon, and J. J. Alonso, “Reduction of Airframe Noise Components Using a Discrete Adjoint Approach”, In 18th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, No. 2017-3658, Denver, CO, 2017.

B. Y. Zhou, T. Albring, N. R. Gauger, C. R. da Silva, T. D. Economon, and J. J. Alonso, “A Discrete Adjoint Approach for Jet-Flap Interaction Noise Reduction”, In 58th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, No. 2017-0130, Grapevine, TX, 2017.

B. Y. Zhou, “Adjoint-based Noise Minimization via Porous Material”, In INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 253, No. 5, pp.3803-3814, 2016

B. Y. Zhou, N. R. Gauger, S. Koh, M. Meinke, and W. Schroeder, “Adjoint-based Trailing-Edge Noise Minimization via Porous Material”, 19th Euro AD Workshop, Kaiserslautern, Germany, 2016

B. Y. Zhou, N. R. Gauger, S. Koh, M. Meinke, and W. Schroeder, “Towards Adjoint-based Trailing-edge Noise Minimization Using Porous Material”, New Results in Numerical and Experimental Fluid Mechanics, Vol. 132, pp. 789-798, 2016.

B. Y. Zhou, N. R. Gauger, S. Koh, M. Meinke, and W. Schroeder, “A Discrete Adjoint Framework for Trailing-Edge Turbulence Control and Noise Minimization via Porous Material”, In 22nd AIAA/CEAS Aeroacoustics Conference, No. 2016-2777, Lyon, France, 2016.

B. Y. Zhou, T. Albring, N. R. Gauger, C. R. da Silva, T. D. Economon, and J. J. Alonso, “An Efficient Unsteady Aerodynamic and Aeroacoustic Design Framework Using Discrete Adjoint”, In 17th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, No. 2016-3369, Washington, DC, 2016.

B. Y. Zhou, T. Albring, and N. R. Gauger, “Optimal Flow Actuation for Separation Control and Noise Minimization”, In 9th International Conference on Computational Fluid Dynamics, No. ICCFD9-2016-191, Istanbul, Turkey, 2016.

B. Y. Zhou, T. Albring, N. R. Gauger, T. D. Economon, F. Palacios, and J. J. Alonso, “A Discrete Adjoint Framework for Unsteady Aerodynamic and Aeroacoustic Optimization”, In 16th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, No. 2015-3355, Dallas, TX, 2015. (Best Student Paper Award)

T. Albring, B. Y. Zhou, N. R. Gauger, and M. Sagebaum, “An Aerodynamic Design Frame- work based on Algorithmic Differentiation”, ERCOFTAC Bulletin, Vol. 102, pp. 10-16, 2015.

B. Y. Zhou, N. R. Gauger, S. Koh, and W. Schroeder, “A Discrete Adjoint Approach For Trailing-Edge Noise Minimization using Porous Material”, Advances in Evolutionary and Deterministic Methods for Design, Optimization and Control in Engineering and Sciences, Vol. 36, pp. 351-365, 2015.

B. Y. Zhou, N. R. Gauger, S. Koh, M. Meinke, and W. Schroeder, “On the Adjoint-based Control of Trailing-Edge Turbulence and Noise Minimization via Porous Material”, In 21st AIAA/CEAS Aeroacoustics Conference, No. 2015-2530, Dallas, TX, 2015.

S. Koh, M. Meinke, W. Schro ̈der, B. Y. Zhou, and N. R. Gauger, “Noise Sources of Trailing- Edge Turbulence Contolled by Porous Media”, In 20th AIAA/CEAS Aeroacoustics Conference, No. 2014-3038, Atlanta, GA, 2014.

B. Y. Zhou, N. R. Gauger, S. Koh, M. Meinke, and W. Schroeder, “Adjoint-based Trailing-Edge Noise Minimization using Porous Material”, In 20th AIAA/CEAS Aeroacoustics Conference, No. 2014-3040, Atlanta, GA, 2014.

B. Y. Zhou, “Model Reduction for Nonlinear Dynamical Systems with Parametric Uncertainties”, M. Sc. Dissertation, Massachusetts Institute of Technology, 2012

H. P. Buckley, B. Y. Zhou and D. W. Zingg, “Airfoil Optimization Using Practical Aero- dynamic Design Requirements”, AIAA Journal of Aircraft, Vol. 47, No. 5, pp.1707-1719, 2010