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Alex A. Kaszynski
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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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061010.
Paper No: GTP-22-1625
https://doi.org/10.1115/1.4056538
Published Online: January 13, 2023
View Article titled, Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation
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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
https://doi.org/10.1115/GT2022-83204
View Paper titled, Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation
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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
https://doi.org/10.1115/GT2022-83402
View Paper titled, Gradient Enhanced Kriging Using Modal Sensitivity Approximations in a Reduced Basis Space for As-Manufactured Airfoil Analysis
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Topics: Airfoils, Approximation, Mode shapes, Displacement, Eigenvalues, Degrees of freedom, Geometry
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091010.
Paper No: GTP-22-1020
https://doi.org/10.1115/1.4054946
Published Online: August 17, 2022
View Article titled, Gaussian Stochastic Process Modeling of Blend Repaired Airfoil Modal Response Using Reduced Basis Mode Shape Approach
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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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031013.
Paper No: GTP-21-1063
https://doi.org/10.1115/1.4051174
Published Online: January 3, 2022
View Article titled, Optimization of Airfoil Blend Limits With As-Manufactured Geometry Finite Element Models
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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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031006.
Paper No: GTP-21-1487
https://doi.org/10.1115/1.4052427
Published Online: December 7, 2021
View Article titled, Numerical Methods for Calculating Component Modes for Geometric Mistuning Reduced-Order Models
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Topics: Algorithms, Density, Errors, Finite element model, Geometry, Numerical analysis, Storage, Stiffness, Parallel processing
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2021, 143(12): 121012.
Paper No: GTP-20-1576
https://doi.org/10.1115/1.4051111
Published Online: October 12, 2021
View Article titled, Integrally Bladed Rotor Mistuning Identification and Model Updating Using Geometric Mistuning Models
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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
https://doi.org/10.1115/GT2021-60238
View Paper titled, Gaussian Stochastic Process Modeling of Blend Repaired Airfoil Modal Response Using Reduced Basis Mode Shape Approach
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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
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A016, June 7–11, 2021
Paper No: GT2021-59126
https://doi.org/10.1115/GT2021-59126
View Paper titled, Numerical Methods for Calculating Component Modes for Geometric Mistuning Reduced-Order Models
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Topics: Eigenvalues, Errors, Finite element model, Geometry, Numerical analysis, Optical scanners, Parallel processing, Rotors, Stiffness, Storage
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
https://doi.org/10.1115/GT2020-15539
View Paper titled, Integrally Bladed Rotor Mistuning Identification and Model Updating Using Geometric Mistuning Models
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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
https://doi.org/10.1115/GT2020-15481
View Paper titled, Optimization of Airfoil Blend Limits With As-Manufactured Geometry Finite Element Models
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Topics: Airfoils, Finite element model, Geometry, Optimization, Blades, High cycle fatigue, Maintenance, Manufacturing, Rotors, Accounting
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
https://doi.org/10.1115/GT2019-90923
View Paper titled, Geometric Mistuning Reduced Order Model Development Utilizing Bayesian Surrogate Models for Component Mode Calculations
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Topics: Design, Errors, Finite element model, Geometry, Materials properties, Modal analysis, Mode shapes, Model development, Periodic structures, Rotors
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2019, 141(10): 101013.
Paper No: GTP-19-1355
https://doi.org/10.1115/1.4044454
Published Online: September 16, 2019
View Article titled, Geometric Mistuning Reduced-Order Model Development Utilizing Bayesian Surrogate Models for Component Mode Calculations
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Topics: Blades, Eigenvalues, Errors, Finite element model, Geometry, Modal analysis, Mode shapes, Model development, Rotors, Uncertainty
Journal Articles

Active Subspace Development of Integrally Bladed Disk Dynamic Properties Due to Manufacturing Variations

Joseph A. Beck, Jeffrey M. Brown, Alex A. Kaszynski, Emily B. Carper
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 021001.
Paper No: GTP-18-1374
https://doi.org/10.1115/1.4040869
Published Online: September 18, 2018
View Article titled, Active Subspace Development of Integrally Bladed Disk Dynamic Properties Due to Manufacturing Variations
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Topics: Blades, Eigenvalues, Dynamic light scattering, Disks, Manufacturing, Geometry
Proceedings Papers

Automated Meshing Algorithm for Generating As-Manufactured Finite Element Models Directly From As-Measured Fan Blades and Integrally Bladed Disks

Alex A. Kaszynski, Joseph A. Beck, Jeffrey M. Brown
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A024, June 11–15, 2018
Paper No: GT2018-76375
https://doi.org/10.1115/GT2018-76375
View Paper titled, Automated Meshing Algorithm for Generating As-Manufactured Finite Element Models Directly From As-Measured Fan Blades and Integrally Bladed Disks
Open the PDF for Automated Meshing Algorithm for Generating As-Manufactured Finite Element Models Directly From As-Measured Fan Blades and Integrally Bladed Disks in another window
Topics: Algorithms, Blades, Disks, Finite element model, Airfoils, Density, Finite element analysis, Geometry, Hardware, Manifolds
Proceedings Papers

Selection of Dynamic Testing Measurement Locations for Integrally Bladed Disks

Joseph A. Beck, Alex A. Kaszynski, Jeffrey M. Brown, Daniel L. Gillaugh, Onome E. Scott-Emuakpor
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A037, June 11–15, 2018
Paper No: GT2018-76791
https://doi.org/10.1115/GT2018-76791
View Paper titled, Selection of Dynamic Testing Measurement Locations for Integrally Bladed Disks
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Topics: Disks, Dynamic testing (Engineering), Dynamic testing (Materials), Density, Algorithms, Engines, Testing, Degrees of freedom, Excitation, Finite element analysis
Proceedings Papers

Active Subspace Development of Integrally Bladed Disk Dynamic Properties due to Manufacturing Variations

Joseph A. Beck, Jeffrey M. Brown, Alex A. Kaszynski, Emily B. Carper
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT32A011, June 11–15, 2018
Paper No: GT2018-76800
https://doi.org/10.1115/GT2018-76800
View Paper titled, Active Subspace Development of Integrally Bladed Disk Dynamic Properties due to Manufacturing Variations
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Topics: Disks, Manufacturing, Eigenvalues, Dynamic light scattering, Geometry, Blades, Optical scanners, Principal component analysis
Journal Articles

The Effect of Manufacturing Variations on Unsteady Interaction in a Transonic Turbine

John P. Clark, Joseph A. Beck, Alex A. Kaszynski, Angela Still, Ron-Ho Ni
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2018, 140(6): 061007.
Paper No: TURBO-17-1197
https://doi.org/10.1115/1.4039361
Published Online: April 30, 2018
View Article titled, The Effect of Manufacturing Variations on Unsteady Interaction in a Transonic Turbine
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Topics: Airfoils, Blades, Computational fluid dynamics, Geometry, Manufacturing, Pressure, Turbines, Shock (Mechanics), Wheels, Design
Proceedings Papers

The Effect of Manufacturing Variations on Unsteady Interaction in a Transonic Turbine

John P. Clark, Joseph A. Beck, Alex A. Kaszynski, Angela Still, Ron-Ho Ni
Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT41A029, June 26–30, 2017
Paper No: GT2017-64075
https://doi.org/10.1115/GT2017-64075
View Paper titled, The Effect of Manufacturing Variations on Unsteady Interaction in a Transonic Turbine
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Topics: Manufacturing, Turbines, Computational fluid dynamics, Blades, Geometry, Turbine blades, Airfoils, Algorithms, Artificial neural networks, Casting
Journal Articles

Geometric Mistuning Reduced-Order Models for Integrally Bladed Rotors With Mistuned Disk–Blade Boundaries

Joseph A. Beck, Jeffrey M. Brown, Alex A. Kaszynski, Charles J. Cross, Joseph C. Slater
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2015, 137(7): 071001.
Paper No: TURBO-13-1053
https://doi.org/10.1115/1.4029122
Published Online: July 1, 2015
View Article titled, Geometric Mistuning Reduced-Order Models for Integrally Bladed Rotors With Mistuned Disk–Blade Boundaries
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Topics: Blades, Disks