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Journal Articles

A New Nonlinear Time-Domain Flutter Analysis Approach for Distorted Flows

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Roque Corral, Salvador Rodríguez-Blanco, Venkata Y. T. Chennuru, Mehdi Vahdati, Fanzhou Zhao
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071014.
Paper No: TURBO-24-1249
https://doi.org/10.1115/1.4067245
Published Online: December 17, 2024
View Articletitled, A New Nonlinear Time-Domain Flutter Analysis Approach for Distorted Flows
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Topics: Blades, Damping, Flow (Dynamics), Flutter (Aerodynamics), Simulation, Vibration, Pressure, Stability
Journal Articles

Fan Non-Synchronous Forced Vibration Under Crosswind

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Venkata Y. T. Chennuru, Roque Corral, Salvador Rodríguez-Blanco, Mehdi Vahdati, Fanzhou Zhao
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051005.
Paper No: TURBO-24-1256
https://doi.org/10.1115/1.4066915
Published Online: November 12, 2024
View Articletitled, Fan Non-Synchronous Forced Vibration Under Crosswind
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Topics: Blades, Flow (Dynamics), Separation (Technology), Vibration, Excitation, Signals, Pressure, Rotors, Computational fluid dynamics
Journal Articles

Conceptual Analysis on the Impact of Acoustic Liners in Fan Flutter

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Javier González-Monge, José Miguel Pérez, Roque Corral, Fanzhou Zhao, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041001.
Paper No: TURBO-24-1272
https://doi.org/10.1115/1.4066740
Published Online: October 25, 2024
View Articletitled, Conceptual Analysis on the Impact of Acoustic Liners in Fan Flutter
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Topics: Acoustics, Flutter (Aerodynamics), Waves, Ducts, Reflection, Stability
Proceedings Papers

Conceptual Analysis on the Impact of Acoustic Liners in Fan Flutter

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Javier González-Monge, José Miguel Pérez, Roque Corral, Fanzhou Zhao, Mehdi Vahdati
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129249
https://doi.org/10.1115/GT2024-129249
View Paper titled, Conceptual Analysis on the Impact of Acoustic Liners in Fan Flutter
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Topics: Acoustics, Flutter (Aerodynamics), Waves, Reflection, Axial flow, Blades, Ducts, Electromagnetic scattering, Radiation scattering, Scattering (Physics)
Proceedings Papers

Fan Non-Synchronous Forced Vibration Under Crosswind

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Venkata Y. T. Chennuru, Roque Corral García, Salvador Rodríguez-Blanco, Mehdi Vahdati, Fanzhou Zhao
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126523
https://doi.org/10.1115/GT2024-126523
View Paper titled, Fan Non-Synchronous Forced Vibration Under Crosswind
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Topics: Separation (Technology), Vibration
Proceedings Papers

A New Non-Linear Time-Domain Flutter Analysis Approach for Distorted Flows

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Roque Corral, Salvador Rodríguez-Blanco, Venkata Y. T. Chennuru, Mehdi Vahdati, Fanzhou Zhao
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A056, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129404
https://doi.org/10.1115/GT2024-129404
View Paper titled, A New Non-Linear Time-Domain Flutter Analysis Approach for Distorted Flows
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Topics: Flow (Dynamics), Flutter (Aerodynamics), Damping, Blades, Computational fluid dynamics, Computation, Computer simulation, Electromagnetic scattering, Manufacturing, Pressure
Journal Articles

An Optimal Numerical Strategy for Intake in Crosswind Conditions

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Venkata Y. T. Chennuru, Fanzhou Zhao, Mehdi Vahdati
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2024, 146(7): 071005.
Paper No: GTP-23-1456
https://doi.org/10.1115/1.4064149
Published Online: February 8, 2024
View Articletitled, An Optimal Numerical Strategy for Intake in Crosswind Conditions
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Topics: Boundary-value problems, Computational fluid dynamics, Flow (Dynamics), Pressure, Simulation, Vortices, Separation (Technology), Nozzles, Boundary layers
Journal Articles

Extension and Validation of the Turbomachinery Capabilities of SU2 Open Source Computational Fluid Dynamic Code

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Chuanxiang Yan, Baotong Wang, Xiao He, Fanzhou Zhao, Xuedong Zheng, Mehdi Vahdati, Xinqian Zheng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061003.
Paper No: TURBO-23-1333
https://doi.org/10.1115/1.4064341
Published Online: January 16, 2024
View Articletitled, Extension and Validation of the Turbomachinery Capabilities of SU2 Open Source Computational Fluid Dynamic Code
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Topics: Cascades (Fluid dynamics), Computational fluid dynamics, NASA, Pressure, Rotors, Simulation, Turbomachinery, Turbulence, Annulus, Blades
Journal Articles

Methodology and Validation of Surge Modeling in a Three-Shaft Compression System

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Fanzhou Zhao, Jose Moreno, John Dodds, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121006.
Paper No: TURBO-22-1024
https://doi.org/10.1115/1.4063506
Published Online: October 19, 2023
View Articletitled, Methodology and Validation of Surge Modeling in a Three-Shaft Compression System
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Topics: Flow (Dynamics), Surges, Compressors, Pressure, Compression, Computational fluid dynamics
Proceedings Papers

An Optimal CFD Strategy for Intake in Crosswind Conditions

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Venkata Y. T. Chennuru, Fanzhou Zhao, Mehdi Vahdati
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102227
https://doi.org/10.1115/GT2023-102227
View Paper titled, An Optimal CFD Strategy for Intake in Crosswind Conditions
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Topics: Computational fluid dynamics, Nozzles, Separation (Technology), Vortices
Proceedings Papers

Extension and Validation of the Turbomachinery Capabilities of SU2 Open Source CFD Code

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Chuanxiang Yan, Baotong Wang, Xiao He, Fanzhou Zhao, Xuedong Zheng, Mehdi Vahdati, Xinqian Zheng
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A034, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103544
https://doi.org/10.1115/GT2023-103544
View Paper titled, Extension and Validation of the Turbomachinery Capabilities of SU2 Open Source CFD Code
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Topics: Aerodynamics, Aeroelasticity, Computational fluid dynamics, Turbomachinery
Proceedings Papers

A Turbo-Oriented Data-Driven Modification to the Spalart-Allmaras Turbulence Model

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Xiao He, Fanzhou Zhao, Mehdi Vahdati
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80456
https://doi.org/10.1115/GT2022-80456
View Paper titled, A Turbo-Oriented Data-Driven Modification to the Spalart-Allmaras Turbulence Model
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Topics: Turbochargers, Turbulence, Compressors, Rotors, Flow (Dynamics), Corners (Structural elements), NASA, Pressure, Pressure gradient, Separation (Technology)
Proceedings Papers

Uncertainty Quantification of Computational Flutter Estimates of a Compressor Cascade

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Marco Rauseo, Fanzhou Zhao, Mehdi Vahdati, Quentin Rendu
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A010, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81935
https://doi.org/10.1115/GT2022-81935
View Paper titled, Uncertainty Quantification of Computational Flutter Estimates of a Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Flutter (Aerodynamics), Uncertainty quantification, Damping, Flow (Dynamics), Blades, Design, Uncertainty, Aircraft engines
Journal Articles

A Turbo-Oriented Data-Driven Modification to the Spalart–Allmaras Turbulence Model

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Xiao He, Fanzhou Zhao, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121007.
Paper No: TURBO-22-1148
https://doi.org/10.1115/1.4055333
Published Online: September 19, 2022
View Articletitled, A Turbo-Oriented Data-Driven Modification to the Spalart–Allmaras Turbulence Model
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Topics: Calibration, Cascades (Fluid dynamics), Compressors, Flow (Dynamics), NASA, Pressure, Rotors, Turbulence, Computational fluid dynamics, Corners (Structural elements)
Journal Articles

Detached Eddy Simulation: Recent Development and Application to Compressor Tip Leakage Flow

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Xiao He, Fanzhou Zhao, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011009.
Paper No: TURBO-21-1145
https://doi.org/10.1115/1.4052019
Published Online: September 21, 2021
View Articletitled, Detached Eddy Simulation: Recent Development and Application to Compressor Tip Leakage Flow
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Topics: Compressors, Delay differential equations, Eddies (Fluid dynamics), Flow (Dynamics), Leakage flows, Reynolds-averaged Navier–Stokes equations, Rotors, Simulation, Turbulence
Proceedings Papers

Detached Eddy Simulation: Recent Development and Application to Compressor Tip Leakage Flow

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Xiao He, Fanzhou Zhao, Mehdi Vahdati
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A011, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59077
https://doi.org/10.1115/GT2021-59077
View Paper titled, Detached Eddy Simulation: Recent Development and Application to Compressor Tip Leakage Flow
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Topics: Compressors, Eddies (Fluid dynamics), Leakage flows, Simulation, Delay differential equations, Turbulence, Flow (Dynamics), Databases, Model development, Physics
Journal Articles

Aerodynamic Loading Considerations of Three-Shaft Engine Compression System During Surge

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Jose Moreno, John Dodds, Christopher Sheaf, Fanzhou Zhao, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121002.
Paper No: TURBO-20-1362
https://doi.org/10.1115/1.4051207
Published Online: June 25, 2021
View Articletitled, Aerodynamic Loading Considerations of Three-Shaft Engine Compression System During Surge
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Topics: Pressure, Surges, Engines, Compressors, Flow (Dynamics), Compression, Transients (Dynamics)
Journal Articles

Uncertainty Quantification of Spalart–Allmaras Turbulence Model Coefficients for Compressor Stall

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Xiao He, Fanzhou Zhao, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081007.
Paper No: TURBO-20-1356
https://doi.org/10.1115/1.4050438
Published Online: April 26, 2021
View Articletitled, Uncertainty Quantification of Spalart–Allmaras Turbulence Model Coefficients for Compressor Stall
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Topics: Airfoils, Compressors, Flow (Dynamics), Rotors, Turbulence, Uncertainty, Uncertainty quantification, NASA, Separation (Technology)
Journal Articles

Flow Physics During Surge and Recovery of a Multi-Stage High-Speed Compressor

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Fanzhou Zhao, John Dodds, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061008.
Paper No: TURBO-20-1241
https://doi.org/10.1115/1.4050240
Published Online: April 8, 2021
View Articletitled, Flow Physics During Surge and Recovery of a Multi-Stage High-Speed Compressor
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Topics: Compressors, Flow (Dynamics), Surges, Inlet guide vanes, Pressure, Cycles
Proceedings Papers

Numerical Analysis of Flutter in Variable Geometry Compressors

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Kentaro Suzuki, Fanzhou Zhao, Mehdi Vahdati
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A028, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16093
https://doi.org/10.1115/GT2020-16093
View Paper titled, Numerical Analysis of Flutter in Variable Geometry Compressors
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Topics: Compressors, Flutter (Aerodynamics), Geometry, Numerical analysis, Blades, Computation, Design, Rotors, Aeroelasticity, Clearances (Engineering)