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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

Proceedings Papers

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

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

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A029, June 13–17, 2022

Paper No: GT2022-83204

DOI: https://doi.org/10.1115/GT2022-83204

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Topics: Excitation, Rotors, Traveling waves, Blades, Spectral energy distribution, Testing, Damping, Excitation systems, Fast Fourier transforms, Fittings

Proceedings Papers

Gradient Enhanced Kriging Using Modal Sensitivity Approximations in a Reduced Basis Space for As-Manufactured Airfoil Analysis

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

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A034, June 13–17, 2022

Paper No: GT2022-83402

DOI: https://doi.org/10.1115/GT2022-83402

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Topics: Airfoils, Approximation, Mode shapes, Displacement, Eigenvalues, Degrees of freedom, Geometry

Proceedings Papers

Accurate Blade Tip Timing Placement on a Centrifugal Impeller Using As-Manufactured Modeling

Daniel L. Gillaugh, Alexander A. Kaszynksi, Trevor C. Tomlin, Jeffrey M. Brown, Joseph A. Beck, Emily B. Carper

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A035, June 13–17, 2022

Paper No: GT2022-83415

DOI: https://doi.org/10.1115/GT2022-83415

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Topics: Blades, Impellers, Modeling, Stress, Finite element analysis, Rotors, Safety, Deflection, Accounting, Airfoils

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

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

Numerical Methods for Calculating Component Modes for Geometric Mistuning Reduced-Order Models

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

J. Eng. Gas Turbines Power. March 2022, 144(3): 031006.

Paper No: GTP-21-1487

DOI: https://doi.org/10.1115/1.4052427

Published Online: December 7, 2021

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Topics: Algorithms, Density, Errors, Finite element model, Geometry, Numerical analysis, Storage, Stiffness, Parallel processing

Journal Articles

Forced Response Variation of a Compressor Utilizing Blade Tip Timing, Strain Gages, and As-Manufactured Finite Element Models

Daniel L. Gillaugh, Timothy J. Janczewski, Alexander A. Kaszynski, Jeffrey M. Brown, Joseph A. Beck, Chase Nessler

J. Eng. Gas Turbines Power. November 2021, 143(11): 111023.

Paper No: GTP-21-1059

DOI: https://doi.org/10.1115/1.4051358

Published Online: October 13, 2021

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Topics: Blades, Finite element model, Strain gages, Stress, Compressors, Probes

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

Proceedings Papers

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

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A028, June 7–11, 2021

Paper No: GT2021-60238

DOI: https://doi.org/10.1115/GT2021-60238

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Topics: Airfoils, Mode shapes, Modeling, Stochastic processes, Modal assurance criterion, Maintenance, Displacement, Geometry, Design, Finite element model

Proceedings Papers

Numerical Methods for Calculating Component Modes for Geometric Mistuning Reduced-Order Models

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

Paper No: GT2021-59126

DOI: https://doi.org/10.1115/GT2021-59126

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Topics: Eigenvalues, Errors, Finite element model, Geometry, Numerical analysis, Optical scanners, Parallel processing, Rotors, Stiffness, Storage

Proceedings Papers

Forced Response Variation of a Compressor Utilizing Blade Tip Timing, Strain Gages, and As-Manufactured Finite Element Models

Daniel L. Gillaugh, Timothy J. Janczewski, Alexander A. Kaszynski, Jeffrey M. Brown, Joseph A. Beck, Chase Nessler

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A022, September 21–25, 2020

Paper No: GT2020-15054

DOI: https://doi.org/10.1115/GT2020-15054

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Topics: Blades, Compressors, Finite element model, Strain gages, Safety, Stress, Accounting, Chords (Trusses), Deflection, Dynamic response

Proceedings Papers

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

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A034, September 21–25, 2020

Paper No: GT2020-15539

DOI: https://doi.org/10.1115/GT2020-15539

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Topics: Rotors, Elastic moduli, Finite element model, Algorithms, Blades, Damage, Dynamic response, Eigenvalues, Excitation, Geometry

Proceedings Papers

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

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

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A029, September 21–25, 2020

Paper No: GT2020-15481

DOI: https://doi.org/10.1115/GT2020-15481

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Topics: Airfoils, Finite element model, Geometry, Optimization, Blades, High cycle fatigue, Maintenance, Manufacturing, Rotors, Accounting

Journal Articles

Strain Gage Ramifications on Mistuning in As-Manufactured Models and Experimental Testing

Daniel L. Gillaugh, Alexander A. Kaszynski, Jeffrey M. Brown, Joseph A. Beck, Joseph C. Slater

J. Eng. Gas Turbines Power. May 2020, 142(5): 051005.

Paper No: GTP-19-1358

DOI: https://doi.org/10.1115/1.4045357

Published Online: February 18, 2020

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Topics: Strain gages, Compressors, Testing, Excitation, Modeling, Rotors, Traveling waves, Blades

Proceedings Papers

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

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A013, June 17–21, 2019

Paper No: GT2019-90923

DOI: https://doi.org/10.1115/GT2019-90923

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Topics: Design, Errors, Finite element model, Geometry, Materials properties, Modal analysis, Mode shapes, Model development, Periodic structures, Rotors

Proceedings Papers

Strain Gage Ramifications on Mistuning in As-Manufactured Models and Experimental Testing

Daniel L. Gillaugh, Alexander A. Kaszynski, Jeffrey M. Brown, Joseph A. Beck, Joseph C. Slater

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A021, June 17–21, 2019

Paper No: GT2019-91484

DOI: https://doi.org/10.1115/GT2019-91484

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Topics: Strain gages, Testing, Materials properties, Finite element model, Blades, Engines, Rotors, Compressors, Dynamic response, Dynamics (Mechanics)

Proceedings Papers

Emulation of As-Manufactured Transonic Rotor Airfoil Modal Behavior and the Significance of Frequency Veering

Jeffrey M. Brown, Emily B. Carper, Joseph A. Beck, Alexander A. Kaszynski

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A023, June 17–21, 2019

Paper No: GT2019-91670

DOI: https://doi.org/10.1115/GT2019-91670

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Topics: Airfoils, Rotors, Geometry, Mode shapes, Compressors, Physics, Principal component analysis, Regression models, Resonance, Stochastic processes

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

Journal Articles

Mistuning Evaluation Comparison Via As-Manufactured Models, Traveling Wave Excitation, and Compressor Rigs

Daniel L. Gillaugh, Alexander A. Kaszynski, Jeffrey M. Brown, Joseph A. Beck, Joseph C. Slater

J. Eng. Gas Turbines Power. June 2019, 141(6): 061006.

Paper No: GTP-18-1617

DOI: https://doi.org/10.1115/1.4042079

Published Online: January 9, 2019

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Topics: Blades, Compressors, Excitation, Rotors, Traveling waves, Torsion

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Journal citation

NARROW

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

Gradient Enhanced Kriging Using Modal Sensitivity Approximations in a Reduced Basis Space for As-Manufactured Airfoil Analysis

Accurate Blade Tip Timing Placement on a Centrifugal Impeller Using As-Manufactured Modeling

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

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

Numerical Methods for Calculating Component Modes for Geometric Mistuning Reduced-Order Models

Forced Response Variation of a Compressor Utilizing Blade Tip Timing, Strain Gages, and As-Manufactured Finite Element Models

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

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

Numerical Methods for Calculating Component Modes for Geometric Mistuning Reduced-Order Models

Forced Response Variation of a Compressor Utilizing Blade Tip Timing, Strain Gages, and As-Manufactured Finite Element Models

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

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

Strain Gage Ramifications on Mistuning in As-Manufactured Models and Experimental Testing

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

Strain Gage Ramifications on Mistuning in As-Manufactured Models and Experimental Testing

Emulation of As-Manufactured Transonic Rotor Airfoil Modal Behavior and the Significance of Frequency Veering

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

Mistuning Evaluation Comparison Via As-Manufactured Models, Traveling Wave Excitation, and Compressor Rigs

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