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Journal Articles

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh, Alex A. Kaszynski

J. Eng. Gas Turbines Power. June 2023, 145(6): 061010.

Paper No: GTP-22-1625

DOI: https://doi.org/10.1115/1.4056538

Published Online: January 13, 2023

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Topics: Blades, Excitation, Spectral energy distribution, Traveling waves, Rotors, Damping, Mode shapes, Testing

Journal Articles

Low Reduced Frequency Theory of Airfoils Vibrating in Complex Modes

Roque Corral, Yago Blando, Aitor Pitarch

J. Eng. Gas Turbines Power. April 2023, 145(4): 041020.

Paper No: GTP-22-1575

DOI: https://doi.org/10.1115/1.4056102

Published Online: December 13, 2022

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Topics: Airfoils, Cycles, Pressure, Torsion, Damping, Mode shapes

Journal Articles

Effect of Outlet Boundary Condition on the Acoustic Modeshape and Flame Dynamics of a Partially Premixed Swirl Stabilized Combustor

Sharan Sreedeep, Vikram Ramanan, Aritra Chakraborty, Satyanarayanan R. Chakravarthy

J. Eng. Gas Turbines Power. January 2023, 145(1): 011015.

Paper No: GTP-22-1337

DOI: https://doi.org/10.1115/1.4055534

Published Online: October 21, 2022

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Topics: Acoustics, Boundary-value problems, Combustion chambers, Dynamics (Mechanics), Flames, Pressure, Reflectance, Flow (Dynamics), Mode shapes

Journal Articles

Application of Machine Learning to Forced Response Predictions of an Industrial Axial Compressor Rotor Blade

Giuseppe Bruni, Senthil Krishnababu, Simon Jackson

J. Eng. Gas Turbines Power. January 2023, 145(1): 011019.

Paper No: GTP-22-1341

DOI: https://doi.org/10.1115/1.4055634

Published Online: October 21, 2022

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Topics: Artificial neural networks, Blades, Compressors, Computational fluid dynamics, Damping, Design, Machine learning, Mode shapes, Resonance, Modal analysis

Journal Articles

High-Frequency Mode Shape Dependent Flame-Acoustic Interactions in Reheat Flames

Jonathan McClure, Mirko Bothien, Thomas Sattelmayer

J. Eng. Gas Turbines Power. January 2023, 145(1): 011014.

Paper No: GTP-22-1311

DOI: https://doi.org/10.1115/1.4055531

Published Online: October 20, 2022

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Topics: Acoustics, Combustion chambers, Flames, Mode shapes, Oscillations, Ignition, Pressure

Journal Articles

Gaussian Stochastic Process Modeling of Blend Repaired Airfoil Modal Response Using Reduced Basis Mode Shape Approach

Jeffrey M. Brown, Alex A. Kaszynski, Daniel L. Gillaugh, Emily B. Carper, Joseph A. Beck

J. Eng. Gas Turbines Power. September 2022, 144(9): 091010.

Paper No: GTP-22-1020

DOI: https://doi.org/10.1115/1.4054946

Published Online: August 17, 2022

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Topics: Airfoils, Modal assurance criterion, Mode shapes, Design, Finite element model, Geometry

Journal Articles

Dynamic Strain Reconstruction of Rotating Blades Based on Tip Timing and Response Transmissibility

Chunyan Ao, Baijie Qiao, Meiru Liu, Shunguo Fu, Zhibo Yang, Xuefeng Chen

J. Eng. Gas Turbines Power. June 2022, 144(6): 061011.

Paper No: GTP-21-1338

DOI: https://doi.org/10.1115/1.4054220

Published Online: May 20, 2022

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Topics: Blades, Displacement, Resonance, Rotating blades, Mode shapes, Rotors

Journal Articles

Optimization of Airfoil Blend Limits With As-Manufactured Geometry Finite Element Models

Jeffrey M. Brown, Alex A. Kaszynski, Daniel L. Gillaugh, Emily B. Carper, Joseph A. Beck

J. Eng. Gas Turbines Power. March 2022, 144(3): 031013.

Paper No: GTP-21-1063

DOI: https://doi.org/10.1115/1.4051174

Published Online: January 3, 2022

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Topics: Airfoils, Blades, Geometry, Optimization, Finite element model, Mode shapes, Design, Rotors

Journal Articles

Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks

Jing Tong, Chaoping Zang, E. P. Petrov

J. Eng. Gas Turbines Power. February 2022, 144(2): 021022.

Paper No: GTP-21-1405

DOI: https://doi.org/10.1115/1.4052501

Published Online: December 7, 2021

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Topics: Disks, Interpolation, Mode shapes, Rotation, Transients (Dynamics)

Journal Articles

Integrally Bladed Rotor Mistuning Identification and Model Updating Using Geometric Mistuning Models

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh, Emily B. Carper, Alex A. Kaszynski

J. Eng. Gas Turbines Power. December 2021, 143(12): 121012.

Paper No: GTP-20-1576

DOI: https://doi.org/10.1115/1.4051111

Published Online: October 12, 2021

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Topics: Algorithms, Approximation, Blades, Eigenvalues, Elastic moduli, Errors, Excitation, Finite element model, Geometry, Materials properties

Journal Articles

Multiwave Vibrations in Mistuned Cascades With Tip-Shroud Friction

Gross Johann, Krack Malte

J. Eng. Gas Turbines Power. May 2021, 143(5): 051030.

Paper No: GTP-20-1130

DOI: https://doi.org/10.1115/1.4047889

Published Online: March 31, 2021

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Topics: Blades, Flutter (Aerodynamics), Mode shapes, Steady state, Vibration, Waves, Attractors, Damping, Friction, Modal assurance criterion

Journal Articles

Analysis of Nonlinear Modal Damping Due to Friction at Blade Roots in Mistuned Bladed Disks

Junjie Chen, Chaoping Zang, Biao Zhou, E. P. Petrov

J. Eng. Gas Turbines Power. March 2021, 143(3): 031019.

Paper No: GTP-20-1717

DOI: https://doi.org/10.1115/1.4049860

Published Online: February 22, 2021

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Topics: Blades, Damping, Disks, Friction, Vibration, Mode shapes

Journal Articles

Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the p – k Method

Matthias Schuff, Virginie Anne Chenaux

J. Eng. Gas Turbines Power. February 2021, 143(2): 021017.

Paper No: GTP-20-1533

DOI: https://doi.org/10.1115/1.4048986

Published Online: January 28, 2021

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Topics: Blades, Flutter (Aerodynamics), Mode shapes, Damping, Simulation, Turbomachinery, Flow (Dynamics), Aerodynamics, Fluid-dynamic forces

Journal Articles

Numerical Investigation of Combustion Instabilities in a Single-Element Lean Direct Inject Combustor Using Flamelet Based Approaches

Saurabh Sudhir Patwardhan, Pravin Nakod, Stefano Orsino, Carlo Arguinzoni

J. Eng. Gas Turbines Power. September 2020, 142(9): 091006.

Paper No: GTP-19-1534

DOI: https://doi.org/10.1115/1.4047110

Published Online: August 25, 2020

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Topics: Acoustics, Combustion, Combustion chambers, Oscillations, Pressure, Simulation, Boundary-value problems, Dynamics (Mechanics), Mode shapes

Journal Articles

Effect of Noise and Nonlinearities on Thermoacoustics of Can-Annular Combustors

G. Ghirardo, J. P. Moeck, M. R. Bothien

J. Eng. Gas Turbines Power. April 2020, 142(4): 041005.

Paper No: GTP-19-1351

DOI: https://doi.org/10.1115/1.4044487

Published Online: January 29, 2020

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Topics: Combustion chambers, Engines, Flames, Mode shapes, Noise (Sound), Spectra (Spectroscopy), Acoustics, Sound pressure, Turbines, Simulation

Journal Articles

A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method

Christian U. Waldherr, Patrick Buchwald, Damian M. Vogt

J. Eng. Gas Turbines Power. February 2020, 142(2): 021016.

Paper No: GTP-19-1474

DOI: https://doi.org/10.1115/1.4045517

Published Online: January 16, 2020

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Topics: Blades, Compressors, Eigenvalues, Errors, Mode shapes, Noise (Sound), Probability, Resonance, Stiffness, Traveling waves

Journal Articles

Blade Vibration Stress Determination Method Based on Blade Tip Timing Simulator and Finite Element Method

Xiaojie Zhang, Yanrong Wang, Xianghua Jiang, Shimin Gao

J. Eng. Gas Turbines Power. March 2020, 142(3): 031001.

Paper No: GTP-19-1548

DOI: https://doi.org/10.1115/1.4045791

Published Online: January 16, 2020

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Topics: Blades, Sensors, Vibration, Stress, Displacement, Mode shapes

Journal Articles

Examining the Effect of Geometry Changes in Industrial Fuel Injection Systems on Hydrodynamic Structures With BiGlobal Linear Stability Analysis

Thomas Ludwig Kaiser, Kilian Oberleithner, Laurent Selle, Thierry Poinsot

J. Eng. Gas Turbines Power. January 2020, 142(1): 011024.

Paper No: GTP-19-1433

DOI: https://doi.org/10.1115/1.4045018

Published Online: December 12, 2019

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Topics: Ejectors, Flow (Dynamics), Fuels, Geometry, Large eddy simulation, Stability, Pressure, Mode shapes

Journal Articles

Accelerated Multifidelity Emulator Modeling for Probabilistic Rotor Response Study

Harok Bae, Ian M. Boyd, Emily B. Carper, Jeff Brown

J. Eng. Gas Turbines Power. December 2019, 141(12): 121019.

Paper No: GTP-19-1452

DOI: https://doi.org/10.1115/1.4045019

Published Online: November 19, 2019

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Topics: Blades, Modeling, Rotors, Mode shapes

Journal Articles

Geometric Mistuning Reduced-Order Model Development Utilizing Bayesian Surrogate Models for Component Mode Calculations

Joseph A. Beck, Jeffrey M. Brown, Alex A. Kaszynski, Emily B. Carper, Daniel L. Gillaugh

J. Eng. Gas Turbines Power. October 2019, 141(10): 101013.

Paper No: GTP-19-1355

DOI: https://doi.org/10.1115/1.4044454

Published Online: September 16, 2019

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Topics: Blades, Eigenvalues, Errors, Finite element model, Geometry, Modal analysis, Mode shapes, Model development, Rotors, Uncertainty

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Journal citation

NARROW

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

Low Reduced Frequency Theory of Airfoils Vibrating in Complex Modes

Effect of Outlet Boundary Condition on the Acoustic Modeshape and Flame Dynamics of a Partially Premixed Swirl Stabilized Combustor

Application of Machine Learning to Forced Response Predictions of an Industrial Axial Compressor Rotor Blade

High-Frequency Mode Shape Dependent Flame-Acoustic Interactions in Reheat Flames

Gaussian Stochastic Process Modeling of Blend Repaired Airfoil Modal Response Using Reduced Basis Mode Shape Approach

Dynamic Strain Reconstruction of Rotating Blades Based on Tip Timing and Response Transmissibility

Optimization of Airfoil Blend Limits With As-Manufactured Geometry Finite Element Models

Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks

Integrally Bladed Rotor Mistuning Identification and Model Updating Using Geometric Mistuning Models

Multiwave Vibrations in Mistuned Cascades With Tip-Shroud Friction

Analysis of Nonlinear Modal Damping Due to Friction at Blade Roots in Mistuned Bladed Disks

Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the p – k Method

Numerical Investigation of Combustion Instabilities in a Single-Element Lean Direct Inject Combustor Using Flamelet Based Approaches

Effect of Noise and Nonlinearities on Thermoacoustics of Can-Annular Combustors

A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method

Blade Vibration Stress Determination Method Based on Blade Tip Timing Simulator and Finite Element Method

Examining the Effect of Geometry Changes in Industrial Fuel Injection Systems on Hydrodynamic Structures With BiGlobal Linear Stability Analysis

Accelerated Multifidelity Emulator Modeling for Probabilistic Rotor Response Study

Geometric Mistuning Reduced-Order Model Development Utilizing Bayesian Surrogate Models for Component Mode Calculations

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