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Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A032, June 13–17, 2022

Paper No: GT2022-83344

DOI: https://doi.org/10.1115/GT2022-83344

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Topics: Blades, Stress, Frequency response, Gas turbines, Physics, Rotating blades, Shaft angle encoders, Turbomachinery

Proceedings Papers

Design and Characterization of the OSU Rotor 67 Blisk for Future Damping and Mistuning Studies at Design Speed

Chris Keener, Kiran D’Souza

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A023, June 13–17, 2022

Paper No: GT2022-82717

DOI: https://doi.org/10.1115/GT2022-82717

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Topics: Damping, Design, Rotors, Airfoils, Disks, Gas turbines, Aviation, Dampers, Dynamics (Mechanics), Finite element model

Journal Articles

Efficient Analysis of Stationary Dynamics of Piecewise-Linear Nonlinear Systems Modeled Using General State-Space Representations

Meng-Hsuan Tien, Ming-Fu Lu, Kiran D'Souza

J. Comput. Nonlinear Dynam. August 2022, 17(8): 081001.

Paper No: CND-21-1354

DOI: https://doi.org/10.1115/1.4054152

Published Online: April 1, 2022

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Topics: Analog circuits, Dynamics (Mechanics), Nonlinear systems, Steady state, Circuits, Optimization, Eigenvalues, Approximation

Proceedings Papers

Analysis and Evaluation of Piecewise Linear Systems With Coulomb Friction Using a Hybrid Symbolic-Numeric Computational Method

Amir Shahhosseini, Meng-Hsuan Tien, Kiran D’Souza

Proc. ASME. IDETC-CIE2021, Volume 9: 17th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V009T09A009, August 17–19, 2021

Paper No: DETC2021-69430

DOI: https://doi.org/10.1115/DETC2021-69430

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Topics: Computational methods, Coulombs, Friction, Linear systems, Dynamics (Mechanics), Nonlinear systems, Chaos, Failure, Manufacturing, Steady state

Journal Articles

Bilinear Systems With Initial Gaps Involving Inelastic Collision: Forced Response Experiments and Simulations

Kohei Noguchi, Akira Saito, Meng-Hsuan Tien, Kiran D’Souza

J. Vib. Acoust. April 2022, 144(2): 021001.

Paper No: VIB-21-1036

DOI: https://doi.org/10.1115/1.4051493

Published Online: July 9, 2021

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Topics: Approximation, Collisions (Physics), Displacement, Dynamics (Mechanics), Engineering simulation, Excitation, Resonance, Simulation, Spectroscopy, Parameter estimation

Journal Articles

A New Method to Find the Forced Response of Nonlinear Systems With Dry Friction

Gregory Altamirano, Meng-Hsuan Tien, Kiran D'Souza

J. Comput. Nonlinear Dynam. June 2021, 16(6): 061002.

Paper No: CND-20-1148

DOI: https://doi.org/10.1115/1.4050686

Published Online: April 19, 2021

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Topics: Dampers, Displacement, Dry friction, Friction, Nonlinear systems, Dynamics (Mechanics), Excitation, Coulombs

Proceedings Papers

An Experimental and Computational Investigation of a Pulsed Air-Jet Excitation System on a Rotating Bladed Disk

Eric Kurstak, Kiran D’Souza

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A041, September 21–25, 2020

Paper No: GT2020-16301

DOI: https://doi.org/10.1115/GT2020-16301

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Topics: Air jets, Disks, Excitation systems, Blades, Excitation, Vibration, Computer simulation, Design, Engines, Dynamics (Mechanics)

Journal Articles

An Experimental and Computational Investigation of a Pulsed Air-Jet Excitation System on a Rotating Bladed Disk

Eric Kurstak, Kiran D'Souza

J. Eng. Gas Turbines Power. January 2021, 143(1): 011017.

Paper No: GTP-20-1595

DOI: https://doi.org/10.1115/1.4049014

Published Online: January 4, 2021

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Topics: Air jets, Blades, Disks, Excitation, Vibration, Traveling waves, Engines, Damping, Stiffness, Computer simulation

Proceedings Papers

Experimental Forced Response Analysis of Two-Degree-of-Freedom Piecewise-Linear Systems With a Gap

Akira Saito, Junta Umemoto, Kohei Noguchi, Meng-Hsuan Tien, Kiran D’Souza

Proc. ASME. IDETC-CIE2020, Volume 7: 32nd Conference on Mechanical Vibration and Noise (VIB), V007T07A019, August 17–19, 2020

Paper No: DETC2020-22289

DOI: https://doi.org/10.1115/DETC2020-22289

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Topics: Bifurcation, Degrees of freedom, Excitation, Frequency response, Harmonic oscillators

Proceedings Papers

Mistuning Identification for Rotating Bladed Disks Using Stationary Measurements and Reduced Order Models

Eric Kurstak, Karsten Look, Kiran D’Souza

Proc. ASME. IDETC-CIE2020, Volume 7: 32nd Conference on Mechanical Vibration and Noise (VIB), V007T07A026, August 17–19, 2020

Paper No: DETC2020-22652

DOI: https://doi.org/10.1115/DETC2020-22652

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Topics: Disks, Design, Computer simulation, Turbomachinery, Blades, Boundary-value problems, Engineering prototypes, High temperature, Machinery, Manufacturing

Journal Articles

A Statistical Characterization of the Effects and Interactions of Small and Large Mistuning on Multistage Bladed Disks

Eric Kurstak, Kiran D'Souza

J. Eng. Gas Turbines Power. April 2020, 142(4): 041015.

Paper No: GTP-19-1441

DOI: https://doi.org/10.1115/1.4045023

Published Online: February 3, 2020

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Topics: Blades, Design, Disks, Dynamics (Mechanics), Modeling, Modal analysis, Engines, Rotors, Stiffness, Damage

Proceedings Papers

A Statistical Characterization of the Effects and Interactions of Small and Large Mistuning on Multistage Bladed Disks

Eric Kurstak, Kiran D’Souza

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A015, June 17–21, 2019

Paper No: GT2019-91094

DOI: https://doi.org/10.1115/GT2019-91094

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Topics: Damage, Design, Disks, Dynamics (Mechanics), Engines, Manufacturing, Modal analysis, Modeling, Rotors, Statistical analysis

Journal Articles

Parametric Reduced Order Models for Bladed Disks With Mistuning and Varying Operational Speed

Eric Kurstak, Ryan Wilber, Kiran D'Souza

J. Eng. Gas Turbines Power. May 2019, 141(5): 051018.

Paper No: GTP-18-1495

DOI: https://doi.org/10.1115/1.4041204

Published Online: March 8, 2019

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Topics: Blades, Coordinate measuring machines, Disks, Finite element methods, Finite element model, Stiffness, Modal analysis, Errors

Journal Articles

Analyzing Bilinear Systems Using a New Hybrid Symbolic-Numeric Computational Method

Meng-Hsuan Tien, Kiran D'Souza

J. Vib. Acoust. June 2019, 141(3): 031008.

Paper No: VIB-18-1506

DOI: https://doi.org/10.1115/1.4042520

Published Online: February 4, 2019

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Topics: Bifurcation, Cantilever beams, Computational methods, Degrees of freedom, Displacement, Steady state, Transients (Dynamics), Switches, Fracture (Materials), Stiffness

Journal Articles

Parametric Study of a Unmanned Aerial Vehicle Ingestion Into a Business Jet Size Fan Assembly Model

Troy Lyons, Kiran D'Souza

J. Eng. Gas Turbines Power. July 2019, 141(7): 071002.

Paper No: GTP-18-1456

DOI: https://doi.org/10.1115/1.4042286

Published Online: January 10, 2019

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Topics: Blades, Damage, Engines, Failure, Manufacturing, Simulation, Unmanned aerial vehicles, Motors, Geometry, Durability

Proceedings Papers

A Hybrid Symbolic-Numeric Computational Method for Analysis of Bilinear Systems

Meng-Hsuan Tien, Kiran D’Souza

Proc. ASME. IDETC-CIE2018, Volume 8: 30th Conference on Mechanical Vibration and Noise, V008T10A016, August 26–29, 2018

Paper No: DETC2018-85036

DOI: https://doi.org/10.1115/DETC2018-85036

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Topics: Computational methods, Bifurcation, Cantilever beams, Chaos, Degrees of freedom, Displacement, Dynamics (Mechanics), Joining, Steady state, Switches

Proceedings Papers

Parametric Reduced Order Models for Bladed Disks With Mistuning and Varying Operational Speed

Eric Kurstak, Ryan Wilber, Kiran D’Souza

Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A012, June 11–15, 2018

Paper No: GT2018-75563

DOI: https://doi.org/10.1115/GT2018-75563

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Topics: Disks, Coordinate measuring machines, Finite element analysis

Journal Articles

Multistage Blisk and Large Mistuning Modeling Using Fourier Constraint Modes and PRIME

Eric Kurstak, Kiran D'Souza

J. Eng. Gas Turbines Power. July 2018, 140(7): 072505.

Paper No: GTP-17-1483

DOI: https://doi.org/10.1115/1.4038613

Published Online: April 10, 2018

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Topics: Blades, Displacement, Errors, Finite element analysis, Finite element methods, Finite element model, Modeling, Stiffness, Computation, Coordinate measuring machines

Journal citation

NARROW

Experimental Determination of Blade Tip Rub Forces in a Multiblade System

Vibration Energy Harvester With Piecewise Linear Nonlinear Oscillator and Controllable Gap Size

Experimental Determination of Blade Tip Rub Forces in a Multi-Blade System

Design and Characterization of the OSU Rotor 67 Blisk for Future Damping and Mistuning Studies at Design Speed

Efficient Analysis of Stationary Dynamics of Piecewise-Linear Nonlinear Systems Modeled Using General State-Space Representations

Analysis and Evaluation of Piecewise Linear Systems With Coulomb Friction Using a Hybrid Symbolic-Numeric Computational Method

Bilinear Systems With Initial Gaps Involving Inelastic Collision: Forced Response Experiments and Simulations

A New Method to Find the Forced Response of Nonlinear Systems With Dry Friction

An Experimental and Computational Investigation of a Pulsed Air-Jet Excitation System on a Rotating Bladed Disk

An Experimental and Computational Investigation of a Pulsed Air-Jet Excitation System on a Rotating Bladed Disk

Experimental Forced Response Analysis of Two-Degree-of-Freedom Piecewise-Linear Systems With a Gap

Mistuning Identification for Rotating Bladed Disks Using Stationary Measurements and Reduced Order Models

A Statistical Characterization of the Effects and Interactions of Small and Large Mistuning on Multistage Bladed Disks

A Statistical Characterization of the Effects and Interactions of Small and Large Mistuning on Multistage Bladed Disks

Parametric Reduced Order Models for Bladed Disks With Mistuning and Varying Operational Speed

Analyzing Bilinear Systems Using a New Hybrid Symbolic-Numeric Computational Method

Parametric Study of a Unmanned Aerial Vehicle Ingestion Into a Business Jet Size Fan Assembly Model

A Hybrid Symbolic-Numeric Computational Method for Analysis of Bilinear Systems

Parametric Reduced Order Models for Bladed Disks With Mistuning and Varying Operational Speed

Multistage Blisk and Large Mistuning Modeling Using Fourier Constraint Modes and PRIME

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