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Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A033, June 13–17, 2022

Paper No: GT2022-83393

DOI: https://doi.org/10.1115/GT2022-83393

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Topics: Blades, Damping, Friction

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

Paper No: GT2022-82830

DOI: https://doi.org/10.1115/GT2022-82830

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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

J. Eng. Gas Turbines Power. August 2021, 143(8): 081001.

Paper No: GTP-20-1470

DOI: https://doi.org/10.1115/1.4049187

Published Online: March 31, 2021

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Topics: Airfoils, Blades, Dampers, Excitation, Design, Optimization

Proceedings Papers

Rolling Bearing Parametric Excitation of a Jeffcott Rotor System

Ghasem Ghannad Tehrani, Chiara Gastaldi, Teresa Maria Berruti

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A034, September 21–25, 2020

Paper No: GT2020-16148

DOI: https://doi.org/10.1115/GT2020-16148

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Topics: Excitation, Rolling bearings, Rotors

Proceedings Papers

Modeling Complex Contact Conditions and Their Effect on Blade Dynamics

Chiara Gastaldi, Johann Gross, Maren Scheel, Teresa M. Berruti, Malte Krack

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A011, September 21–25, 2020

Paper No: GT2020-14630

DOI: https://doi.org/10.1115/GT2020-14630

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Topics: Blades, Dynamics (Mechanics), Modeling, Dampers, Disks, Friction, Pressure, Springs, Coulombs, Design

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

Paper No: GT2020-16317

DOI: https://doi.org/10.1115/GT2020-16317

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Topics: Blades, Dampers, Optimization, Airfoils, Damping, Design, Shapes, Computation, Dimensions, Dry friction

Journal Articles

Modeling Complex Contact Conditions and Their Effect on Blade Dynamics

Chiara Gastaldi, Johann Gross, Maren Scheel, Teresa M. Berruti, Malte Krack

J. Eng. Gas Turbines Power. January 2021, 143(1): 011007.

Paper No: GTP-20-1469

DOI: https://doi.org/10.1115/1.4049186

Published Online: December 24, 2020

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Topics: Blades, Dampers, Hardening, Simulation, Stiffness, Pressure, Modeling, Friction, Vibration, Dynamics (Mechanics)

Journal Articles

Trained Harmonic Balance Method for Parametrically Excited Jeffcott Rotor Analysis

Ghasem Ghannad Tehrani, Chiara Gastaldi, Teresa M. Berruti

J. Comput. Nonlinear Dynam. January 2021, 16(1): 011003.

Paper No: CND-20-1121

DOI: https://doi.org/10.1115/1.4048578

Published Online: October 29, 2020

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Topics: Bearings, Design, Equations of motion, Excitation, Rotors, Stability, Stiffness, Disks, Rolling bearings

Journal Articles

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

Chiara Gastaldi, Teresa M. Berruti, Muzio M. Gola

J. Vib. Acoust. October 2020, 142(5): 051103.

Paper No: VIB-19-1386

DOI: https://doi.org/10.1115/1.4046954

Published Online: May 15, 2020

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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

Paper No: GT2019-91040

DOI: https://doi.org/10.1115/GT2019-91040

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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

Paper No: GT2019-90416

DOI: https://doi.org/10.1115/GT2019-90416

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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

J. Eng. Gas Turbines Power. April 2019, 141(4): 042502.

Paper No: GTP-18-1379

DOI: https://doi.org/10.1115/1.4040820

Published Online: November 16, 2018

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Topics: Dampers, Blades

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

Paper No: GT2018-75961

DOI: https://doi.org/10.1115/GT2018-75961

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Topics: Dampers, Design, Excitation, Optimization, Blades, Dynamics (Mechanics), Energy dissipation, Finite element analysis

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

Paper No: GT2018-76007

DOI: https://doi.org/10.1115/GT2018-76007

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Topics: Dampers, Friction, Stiffness, Springs, Stress, Vibration, Blades, Damping, Displacement, Dynamics (Mechanics)

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

J. Eng. Gas Turbines Power. June 2018, 140(6): 062505.

Paper No: GTP-17-1539

DOI: https://doi.org/10.1115/1.4038773

Published Online: April 5, 2018

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Topics: Blades, Dampers, Optimization, Design

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

Paper No: GT2017-64402

DOI: https://doi.org/10.1115/GT2017-64402

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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

Paper No: GT2017-64928

DOI: https://doi.org/10.1115/GT2017-64928

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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

Paper No: GT2016-57359

DOI: https://doi.org/10.1115/GT2016-57359

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Topics: Dampers, Optimization, Friction, Dynamics (Mechanics), Shapes, Blades, Centrifugal force, Computer simulation, Disks, Finite element model

Journal citation

NARROW

The Numerical and Experimental Evaluation of a Coupled Blade Dynamic Limit Response With Friction Contacts

Nonlinear Damper-Blade Coupling Calculations Reduced to Essentials

The Numerical and Experimental Evaluation of a Coupled Blade Dynamic Limit Response With Friction Contacts

Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials

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

Rolling Bearing Parametric Excitation of a Jeffcott Rotor System

Modeling Complex Contact Conditions and Their Effect on Blade Dynamics

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

Modeling Complex Contact Conditions and Their Effect on Blade Dynamics

Trained Harmonic Balance Method for Parametrically Excited Jeffcott Rotor Analysis

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

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

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

Criteria for Best Performance of Pre-Optimized Solid Dampers

Criteria for Best Performance of Pre-Optimized Solid Dampers

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

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

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

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

Pre-Optimization of Asymmetrical Underplatform Dampers

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