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Proceedings Papers

Numerical Study of Low Engine Order Excitations due to Manufacturing Variability Part 2: An Efficient Approach for Stochastic Studies

Juan Manuel Gallardo, Óscar Pérez Escobar
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, V10AT21A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126570
https://doi.org/10.1115/GT2024-126570
View Paper titled, Numerical Study of Low Engine Order Excitations due to Manufacturing Variability Part 2: An Efficient Approach for Stochastic Studies
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Topics: Engines, Excitation, Geometry, Manufacturing, Electromagnetic scattering, Flow (Dynamics), Engineering simulation, Simulation, Airfoils, Blades
Proceedings Papers

Numerical Study of Low Engine Order Excitations due to Manufacturing Variability Part 1: Characterization of the Geometric Scatter and its Effect on Forced Response

Óscar Pérez Escobar, Vicente Timón, Juan Manuel Gallardo
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, V10AT21A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126586
https://doi.org/10.1115/GT2024-126586
View Paper titled, Numerical Study of Low Engine Order Excitations due to Manufacturing Variability Part 1: Characterization of the Geometric Scatter and its Effect on Forced Response
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Topics: Electromagnetic scattering, Engines, Excitation, Geometry, Manufacturing, Airfoils, Aerodynamics, Blades, Aeroelasticity, Computational fluid dynamics
Proceedings Papers

Sensitivity Analysis of Simplified Labyrinth Seals Model Stability to Flow Hypotheses

Giorgia Foschi, Fabrice Thouverez, Laurent Blanc, Giuseppe Fiore, Giampiero Pampolini, Patrick Girard
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, V10AT22A021, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128188
https://doi.org/10.1115/GT2024-128188
View Paper titled, Sensitivity Analysis of Simplified Labyrinth Seals Model Stability to Flow Hypotheses
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Topics: Flow (Dynamics), Leakage, Sensitivity analysis, Shear stress, Stability, Fluids, Cavities, Engines, Leakage flows, Aeroelasticity
Proceedings Papers

Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor

Niklas Maroldt, Joerg R. Seume
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, V10AT21A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124275
https://doi.org/10.1115/GT2024-124275
View Paper titled, Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor
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Topics: Blades, Compressors, Structural dynamics, Damping, Vibration, Design, Frequency response, Simulation, Acoustics, Aerodynamics
Proceedings Papers

Using Pseudotime Marching for the Solution of Harmonic Balance Problems

Christian Frey, Jan Backhaus, Graham Ashcroft, Georg Geiser, Benjamin Winhart, Heinrich Stüer
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A038, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127820
https://doi.org/10.1115/GT2024-127820
View Paper titled, Using Pseudotime Marching for the Solution of Harmonic Balance Problems
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Topics: Aeroelasticity, Compressors, Computational fluid dynamics, Errors, Flow (Dynamics), Jacobian matrices, Linear systems, Oscillations, Robustness, Scalars
Proceedings Papers

Numerical Analysis of Oscillating Blade in Linear Cascade at Transonic Flow

Ragupathy S., Abhijit Kushari, M. C. Keerthi
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A027, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129233
https://doi.org/10.1115/GT2024-129233
View Paper titled, Numerical Analysis of Oscillating Blade in Linear Cascade at Transonic Flow
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Topics: Blades, Cascades (Fluid dynamics), Numerical analysis, Oscillations, Transonic flow, Shock (Mechanics), Fluctuations (Physics), Compressors, Flutter (Aerodynamics), Pressure
Proceedings Papers

Development of Heat Exchanger Modelling Capability for a Finite Volume Aeroelasticity Solver

Sam Mitchell, Irene Tartaruga, Sina Stapelfeldt
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A032, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127596
https://doi.org/10.1115/GT2024-127596
View Paper titled, Development of Heat Exchanger Modelling Capability for a Finite Volume Aeroelasticity Solver
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Topics: Aeroelasticity, Heat exchangers, Modeling, Porous materials
Proceedings Papers

Development of a Reduced Order Model Based on Aerodynamic Influence Coefficients to Simulate Aeroelastic Phenomena in Axial Compressor Blades

Marco Casoni, Ernesto Benini, Andrea Magrini
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101894
https://doi.org/10.1115/GT2023-101894
View Paper titled, Development of a Reduced Order Model Based on Aerodynamic Influence Coefficients to Simulate Aeroelastic Phenomena in Axial Compressor Blades
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Topics: Aeroelasticity, Blades, Compressors, System identification
Proceedings Papers

Reduced Order Model of Nonlinear Structures for Turbomachinery Aeroelasticity

Theo Flament, Jean-François Deü, Antoine Placzek, Mikel Balmaseda, Duc-Minh Tran
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT27A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101061
https://doi.org/10.1115/GT2023-101061
View Paper titled, Reduced Order Model of Nonlinear Structures for Turbomachinery Aeroelasticity
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Topics: Aeroelasticity, Turbomachinery, Vibration, Blades, Cantilever beams, Computer simulation, Condensation, Construction, Dynamics (Mechanics), Finite element methods
Proceedings Papers

A Piston Theory-Based Aeroelastic Stability Prediction Toolbox for Radial Turbomachinery

Vincent Iskandar, David W. Fellows, Daniel J. Bodony, Sang-Guk Kang, Aaron J. Pope, Chol-Bum Kweon
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102051
https://doi.org/10.1115/GT2023-102051
View Paper titled, A Piston Theory-Based Aeroelastic Stability Prediction Toolbox for Radial Turbomachinery
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Topics: Computational fluid dynamics, Interpolation, Pistons, Stability, Turbochargers, Turbomachinery, Vibration, Graphical user interfaces, Blades, Fluids
Proceedings Papers

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

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

Machine Learning-Based Multi-Disciplinary Optimization of Transonic Axial Compressor Blade Considering Aeroelasticity

Hyun-Su Kang, Youn-Jea Kim
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80876
https://doi.org/10.1115/GT2022-80876
View Paper titled, Machine Learning-Based Multi-Disciplinary Optimization of Transonic Axial Compressor Blade Considering Aeroelasticity
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Topics: Aeroelasticity, Blades, Compressors, Flutter (Aerodynamics), Machinery, Optimization
Proceedings Papers

Phasing Structural and Aerodynamic Mistuning For Leveraging Aeroelastic Performance

Hien Phan, Li He
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, V08AT21A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82168
https://doi.org/10.1115/GT2022-82168
View Paper titled, Phasing Structural and Aerodynamic Mistuning For Leveraging Aeroelastic Performance
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Topics: Aeroelasticity, Blades, Cascades (Fluid dynamics), Design, Fluid structure interaction, Fluids, Flutter (Aerodynamics), Simulation, Turbomachinery, Vibration
Proceedings Papers

Aerodynamic Damping of Composite UHBR Fans Under the Consideration of Acoustic Intake Reflections

Jan Gößling, Joerg R. Seume, Jan Peter Flüh, Nicola Paletta, Torben Eggers, Jens Friedrichs, Nunzio Natale
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, V08AT21A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81777
https://doi.org/10.1115/GT2022-81777
View Paper titled, Aerodynamic Damping of Composite UHBR Fans Under the Consideration of Acoustic Intake Reflections
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Topics: Acoustics, Composite materials, Damping, Fans, Reflection, Blades, Engines, Fibers, Rotors, Stiffness
Proceedings Papers

Robust Probabilistic Analysis of Deterioration-Induced Aeroelasticity in an Axial Turbine

Lennart Stania, Joerg R. Seume
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82628
https://doi.org/10.1115/GT2022-82628
View Paper titled, Robust Probabilistic Analysis of Deterioration-Induced Aeroelasticity in an Axial Turbine
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Topics: Aeroelasticity, Turbines, Blades, Engineering simulation, Sensitivity analysis, Simulation, Vibration, Damping, High cycle fatigue, Airfoils
Proceedings Papers

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Niklas Maroldt, Joerg R. Seume, Lukas Schwerdt, Lars Panning von-Scheidt, Jörg Wallaschek, Ricarda Berger, Raimund Rolfes
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81090
https://doi.org/10.1115/GT2022-81090
View Paper titled, Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling
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Topics: Compressors, Modeling, Vibration, Rotors, Blades, Damping, Engineering simulation, Fatigue life, High cycle fatigue, Simulation
Proceedings Papers

Numerical Investigation of the Effect of Flutter Instability of the Blade on the Unsteady Flow in a Modern Low-Pressure Turbine

Shine Win Naung, Mohammad Rahmati, Hamed Farokhi
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A022, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15959
https://doi.org/10.1115/GT2020-15959
View Paper titled, Numerical Investigation of the Effect of Flutter Instability of the Blade on the Unsteady Flow in a Modern Low-Pressure Turbine
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Topics: Aeroelasticity, Blades, Computer simulation, Flutter (Aerodynamics), Pressure, Turbines, Unsteady flow
Proceedings Papers

A New Harmonic Balance Approach Using Multidimensional Time

Laura Junge, Christian Frey, Graham Ashcroft, Edmund Kügeler
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A031, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16224
https://doi.org/10.1115/GT2020-16224
View Paper titled, A New Harmonic Balance Approach Using Multidimensional Time
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Topics: Aeroelasticity, Blades, Computer simulation, Engineering simulation, Errors, Excitation, Flow (Dynamics), Flutter (Aerodynamics), Fourier transforms, Inflow
Proceedings Papers

Numerical Analysis of Flutter in Variable Geometry Compressors

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)
Proceedings Papers

On the Effect and Analysis of Fluid-Structural Mode Coupling

Mani Sadeghi, Ming-Ta Yang, Huan-Min Shang, Eric Grover
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15083
https://doi.org/10.1115/GT2020-15083
View Paper titled, On the Effect and Analysis of Fluid-Structural Mode Coupling
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Topics: Acoustics, Aerodynamics, Aeroelasticity, Aircraft, Cycles, Design, Dynamic stability, Dynamics (Mechanics), Eigenvalues, Flow (Dynamics)