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Muzio M. Gola
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Journal Articles

Nonlinear Damper-Blade Coupling Calculations Reduced to Essentials

Chiara Gastaldi, Muzio M. Gola
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021016.
Paper No: GTP-22-1427
https://doi.org/10.1115/1.4055414
Published Online: November 29, 2022
View Article titled, Nonlinear Damper-Blade Coupling Calculations Reduced to Essentials
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Topics: Blades, Cycles, Dampers, Rotation, Excitation, Vibration
Proceedings Papers

Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials

Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A026, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82830
https://doi.org/10.1115/GT2022-82830
View Paper titled, Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials
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Topics: Blades, Dampers, Airfoils, Cycles, Finite element model, Rotation, Bending (Stress), Construction, Damping, Design
Journal Articles

Platform-Centered Reduction: A Process Capturing the Essentials for Blade-Damper Coupled Optimization

Chiara Gastaldi, Muzio M. Gola
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081001.
Paper No: GTP-20-1470
https://doi.org/10.1115/1.4049187
Published Online: March 31, 2021
View Article titled, Platform-Centered Reduction: A Process Capturing the Essentials for Blade-Damper Coupled Optimization
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Topics: Airfoils, Blades, Dampers, Excitation, Design, Optimization
Proceedings Papers

Selective Sensitivity for Model Updating With Modal Data

Muzio M. Gola, Aurelio Somà
Proc. ASME. DETC95, Volume 3C: 15th Biennial Conference on Mechanical Vibration and Noise — Vibration Control, Analysis, and Identification, 1271-1278, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0702
https://doi.org/10.1115/DETC1995-0702
View Paper titled, Selective Sensitivity for Model Updating With Modal Data
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Topics: Degrees of freedom, Finite element model
Proceedings Papers

Platform Centered Reduction: A Process Capturing the Essentials for Blade-Damper Coupled Optimization

Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A044, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16317
https://doi.org/10.1115/GT2020-16317
View Paper titled, Platform Centered Reduction: A Process Capturing the Essentials for Blade-Damper Coupled Optimization
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Topics: Blades, Dampers, Optimization, Airfoils, Damping, Design, Shapes, Computation, Dimensions, Dry friction
Journal Articles

The Effect of Surface Finish on the Proper Functioning of Underplatform Dampers

Chiara Gastaldi, Teresa M. Berruti, Muzio M. Gola
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. October 2020, 142(5): 051103.
Paper No: VIB-19-1386
https://doi.org/10.1115/1.4046954
Published Online: May 15, 2020
View Article titled, The Effect of Surface Finish on the Proper Functioning of Underplatform Dampers
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Topics: Dampers, Cycles
Proceedings Papers

Design Tools to the Best Coupling of Dry-Friction Solid Underplatform Dampers to Turbine Blades

Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A014, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91040
https://doi.org/10.1115/GT2019-91040
View Paper titled, Design Tools to the Best Coupling of Dry-Friction Solid Underplatform Dampers to Turbine Blades
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Topics: Dampers, Design, Dry friction, Turbine blades, Blades, Centrifugal force, Damping, Dynamic analysis, Excitation, Filters
Proceedings Papers

Experimental Investigation on Real Under-Platform Dampers: The Impact of Design and Manufacturing

Chiara Gastaldi, Teresa M. Berruti, Muzio M. Gola, Andrea Bessone
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A004, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90416
https://doi.org/10.1115/GT2019-90416
View Paper titled, Experimental Investigation on Real Under-Platform Dampers: The Impact of Design and Manufacturing
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Topics: Dampers, Design, Manufacturing, Friction, Shapes, Blades, Damping, Disks, Dry friction, Energy generation
Journal Articles

Criteria for Best Performance of Pre-Optimized Solid Dampers

Chiara Gastaldi, Muzio M. Gola
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 042502.
Paper No: GTP-18-1379
https://doi.org/10.1115/1.4040820
Published Online: November 16, 2018
View Article titled, Criteria for Best Performance of Pre-Optimized Solid Dampers
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Topics: Dampers, Blades
Proceedings Papers

A Comparison of Two Microslip Contact Models for Studying the Mechanics of Underplatform Dampers

Chao Xu, Dongwu Li, Muzio M. Gola, Chiara Gastaldi
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A021, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76007
https://doi.org/10.1115/GT2018-76007
View Paper titled, A Comparison of Two Microslip Contact Models for Studying the Mechanics of Underplatform Dampers
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Topics: Dampers, Friction, Stiffness, Springs, Stress, Vibration, Blades, Damping, Displacement, Dynamics (Mechanics)
Proceedings Papers

Criteria for Best Performance of Pre-Optimized Solid Dampers

Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A019, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75961
https://doi.org/10.1115/GT2018-75961
View Paper titled, Criteria for Best Performance of Pre-Optimized Solid Dampers
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Topics: Dampers, Design, Excitation, Optimization, Blades, Dynamics (Mechanics), Energy dissipation, Finite element analysis
Journal Articles

The Relevance of Damper Pre-Optimization and Its Effectiveness on the Forced Response of Blades

Chiara Gastaldi, Teresa M. Berruti, Muzio M. Gola
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062505.
Paper No: GTP-17-1539
https://doi.org/10.1115/1.4038773
Published Online: April 5, 2018
View Article titled, The Relevance of Damper Pre-Optimization and Its Effectiveness on the Forced Response of Blades
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Topics: Blades, Dampers, Optimization, Design
Journal Articles

An Experimental Investigation of the Dynamics of a Blade With Two Under-Platform Dampers

Daniele Botto, Chiara Gastadi, Muzio M. Gola, Muhammad Umer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 032504.
Paper No: GTP-17-1356
https://doi.org/10.1115/1.4037865
Published Online: October 17, 2017
View Article titled, An Experimental Investigation of the Dynamics of a Blade With Two Under-Platform Dampers
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Topics: Blades, Dampers, Kinematics
Proceedings Papers

The Relevance of Damper Pre-Optimization and its Effectiveness on the Forced Response of Blades

Chiara Gastaldi, Teresa M. Berruti, Muzio M. Gola
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT35A023, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64402
https://doi.org/10.1115/GT2017-64402
View Paper titled, The Relevance of Damper Pre-Optimization and its Effectiveness on the Forced Response of Blades
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Topics: Blades, Dampers, Optimization, Design, Damping, Shapes, Cycles, Equations of motion, Equilibrium (Physics), Turbine blades
Proceedings Papers

An Experimental Investigation of the Dynamic of a Blade With Two Under-Platform Dampers

Daniele Botto, Muhammad Umer, Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT35A029, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64928
https://doi.org/10.1115/GT2017-64928
View Paper titled, An Experimental Investigation of the Dynamic of a Blade With Two Under-Platform Dampers
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Topics: Blades, Dampers, Displacement, Dynamics (Mechanics), Frequency response, Kinematics, Turbine blades, Uncertainty, Vibration
Proceedings Papers

Pre-Optimization of Asymmetrical Underplatform Dampers

Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT32A019, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57359
https://doi.org/10.1115/GT2016-57359
View Paper titled, Pre-Optimization of Asymmetrical Underplatform Dampers
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Topics: Dampers, Optimization, Friction, Dynamics (Mechanics), Shapes, Blades, Centrifugal force, Computer simulation, Disks, Finite element model
Journal Articles

Pre-optimization of Asymmetrical Underplatform Dampers

Chiara Gastaldi, Muzio M. Gola
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2017, 139(1): 012504.
Paper No: GTP-16-1229
https://doi.org/10.1115/1.4034191
Published Online: August 16, 2016
View Article titled, Pre-optimization of Asymmetrical Underplatform Dampers
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Topics: Dampers, Friction, Optimization
Proceedings Papers

A Random Sampling Strategy for Tuning Contact Parameters of Underplatform Dampers

Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2015, Volume 7B: Structures and Dynamics, V07BT33A004, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42834
https://doi.org/10.1115/GT2015-42834
View Paper titled, A Random Sampling Strategy for Tuning Contact Parameters of Underplatform Dampers
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Topics: Dampers, Cycles, Friction, Shapes, Blades, Computer simulation, Damping, Errors, Finite element model, Rotation
Proceedings Papers

Experimental Verification of Friction Behaviors Under Periodically-Varied Normal Force by Developing a Two-Directional Friction Test System

Kunio Asai, Muzio M. Gola
Proc. ASME. GT2015, Volume 7B: Structures and Dynamics, V07BT33A002, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42318
https://doi.org/10.1115/GT2015-42318
View Paper titled, Experimental Verification of Friction Behaviors Under Periodically-Varied Normal Force by Developing a Two-Directional Friction Test System
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Topics: Friction, Displacement, Stiffness, Pressure, Contact mechanics, Dampers, Damping, Finite element analysis, Lasers, Sensors
Proceedings Papers

Understanding Complexities in Underplatform Damper Mechanics

Muzio M. Gola, Chiara Gastaldi
Proc. ASME. GT2014, Volume 7A: Structures and Dynamics, V07AT34A002, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25240
https://doi.org/10.1115/GT2014-25240
View Paper titled, Understanding Complexities in Underplatform Damper Mechanics
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Topics: Dampers, Friction, Computer simulation, Blades, Casting, Engineering simulation, Kinematics, Simulation