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E. P. Petrov
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Proceedings Papers

Validation of New Numerical Analysis Tools for Nonlinear Forced Response in Anisotropy-Mistuned Bladed Disks With Friction Joints

Adam Koscso, Andreas Hartung, E. P. Petrov
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82040
https://doi.org/10.1115/GT2022-82040
View Paper titled, Validation of New Numerical Analysis Tools for Nonlinear Forced Response in Anisotropy-Mistuned Bladed Disks With Friction Joints
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Topics: Anisotropy, Disks, Friction, Numerical analysis, Blades, Aircraft engines, Computational methods, Crystals, Dampers, Excitation
Journal Articles

Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks

Jing Tong, Chaoping Zang, E. P. Petrov
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021022.
Paper No: GTP-21-1405
https://doi.org/10.1115/1.4052501
Published Online: December 7, 2021
View Article titled, Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks
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Topics: Disks, Interpolation, Mode shapes, Rotation, Transients (Dynamics)
Proceedings Papers

Analysis of Loading and Vibration Histories on Natural Frequencies and Modal Damping of Blades With Friction at Root Contact Interfaces

Junjie Chen, Chaoping Zang, Biao Zhou, E. P. Petrov
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A013, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58985
https://doi.org/10.1115/GT2021-58985
View Paper titled, Analysis of Loading and Vibration Histories on Natural Frequencies and Modal Damping of Blades With Friction at Root Contact Interfaces
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Topics: Blades, Damping, Friction, Vibration, Disks, Engines, Flight, Rotation, Stress, Cycles
Proceedings Papers

Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks

Jing Tong, Chaoping Zang, E. P. Petrov
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A012, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58982
https://doi.org/10.1115/GT2021-58982
View Paper titled, Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks
Open the PDF for Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks in another window
Topics: Disks, Interpolation, Rotation, Transients (Dynamics), Mode shapes, Vibration, Engines, Finite element analysis, Gas turbines, Modeling
Journal Articles

Analysis of Nonlinear Modal Damping Due to Friction at Blade Roots in Mistuned Bladed Disks

Junjie Chen, Chaoping Zang, Biao Zhou, E. P. Petrov
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2021, 143(3): 031019.
Paper No: GTP-20-1717
https://doi.org/10.1115/1.4049860
Published Online: February 22, 2021
View Article titled, Analysis of Nonlinear Modal Damping Due to Friction at Blade Roots in Mistuned Bladed Disks
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Topics: Blades, Damping, Disks, Friction, Vibration, Mode shapes
Proceedings Papers

Blade Root Joint Modelling and Analysis of Effects of Their Geometry Variability on the Nonlinear Forced Response of Tuned and Mistuned Bladed Disks

Adam Koscso, E. P. Petrov
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A024, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15225
https://doi.org/10.1115/GT2020-15225
View Paper titled, Blade Root Joint Modelling and Analysis of Effects of Their Geometry Variability on the Nonlinear Forced Response of Tuned and Mistuned Bladed Disks
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Topics: Blades, Disks, Geometry, Modeling, Damping, Finite element analysis, Manufacturing, Shapes, Vibration
Proceedings Papers

Analysis of Nonlinear Modal Damping due to Friction at Blade Roots in Mistuned Bladed Discs

Junjie Chen, Chaoping Zang, Biao Zhou, E. P. Petrov
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A039, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16029
https://doi.org/10.1115/GT2020-16029
View Paper titled, Analysis of Nonlinear Modal Damping due to Friction at Blade Roots in Mistuned Bladed Discs
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Topics: Blades, Damping, Disks, Friction, Vibration, Engines, Excitation, Finite element model, Manufacturing, Mode shapes
Journal Articles

Analytical Formulation of Friction Contact Elements for Frequency-Domain Analysis of Nonlinear Vibrations of Structures With High-Energy Rubs

E. P. Petrov
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2019, 141(12): 121006.
Paper No: GTP-19-1586
https://doi.org/10.1115/1.4045183
Published Online: November 8, 2019
View Article titled, Analytical Formulation of Friction Contact Elements for Frequency-Domain Analysis of Nonlinear Vibrations of Structures With High-Energy Rubs
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Topics: Friction, Vibration, Energy dissipation
Proceedings Papers

Analysis of Statistical Characteristics and Global Sensitivity for Forced Response of Bladed Disks Mistuned by Material Anisotropy

Rahul Rajasekharan, E. P. Petrov
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A008, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90632
https://doi.org/10.1115/GT2019-90632
View Paper titled, Analysis of Statistical Characteristics and Global Sensitivity for Forced Response of Bladed Disks Mistuned by Material Anisotropy
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Topics: Anisotropy, Disks, Blades, Crystals, Sensitivity analysis, Chaos, Design, Engines, Gas turbines, High pressure (Physics)
Proceedings Papers

Analytical Formulation of Friction Contact Elements for Frequency-Domain Analysis of Nonlinear Vibrations of Structures With High-Energy Rubs

E. P. Petrov
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A006, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90628
https://doi.org/10.1115/GT2019-90628
View Paper titled, Analytical Formulation of Friction Contact Elements for Frequency-Domain Analysis of Nonlinear Vibrations of Structures With High-Energy Rubs
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Topics: Frequency-domain analysis, Friction, Vibration, Stiffness, Bearings, Blades, Disks, Engines, Gas turbines, Machinery
Proceedings Papers

Sensitivity and Forced Response Analysis of Anisotropy-Mistuned Bladed Disks With Nonlinear Contact Interfaces

Adam Koscso, E. P. Petrov
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A007, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90629
https://doi.org/10.1115/GT2019-90629
View Paper titled, Sensitivity and Forced Response Analysis of Anisotropy-Mistuned Bladed Disks With Nonlinear Contact Interfaces
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Topics: Anisotropy, Disks, Blades, Friction, Electromagnetic scattering, Excitation, Finite element analysis, Pressure
Journal Articles

Analysis of Deformation of Mistuned Bladed Disks With Friction and Random Crystal Anisotropy Orientation Using Gradient-Based Polynomial Chaos Expansion

Rahul Rajasekharan, E. P. Petrov
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 041016.
Paper No: GTP-18-1302
https://doi.org/10.1115/1.4040906
Published Online: December 3, 2018
View Article titled, Analysis of Deformation of Mistuned Bladed Disks With Friction and Random Crystal Anisotropy Orientation Using Gradient-Based Polynomial Chaos Expansion
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Topics: Blades, Disks, Anisotropy, Polynomials, Chaos
Journal Articles

High-Fidelity Sensitivity Analysis of Modal Properties of Mistuned Bladed Disks Regarding Material Anisotropy

Adam Koscso, Guido Dhondt, E. P. Petrov
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 021036.
Paper No: GTP-18-1299
https://doi.org/10.1115/1.4040900
Published Online: November 30, 2018
View Article titled, High-Fidelity Sensitivity Analysis of Modal Properties of Mistuned Bladed Disks Regarding Material Anisotropy
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Topics: Anisotropy, Blades, Disks, Mode shapes
Journal Articles

A Method for Parametric Analysis of Stability Boundaries for Nonlinear Periodic Vibrations of Structures With Contact Interfaces

E. P. Petrov
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 031023.
Paper No: GTP-18-1301
https://doi.org/10.1115/1.4040850
Published Online: October 29, 2018
View Article titled, A Method for Parametric Analysis of Stability Boundaries for Nonlinear Periodic Vibrations of Structures With Contact Interfaces
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Topics: Stability
Proceedings Papers

A Method for Parametric Analysis of Stability Boundaries for Nonlinear Periodic Vibrations of Structures With Contact Interfaces

E. P. Petrov
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A027, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76545
https://doi.org/10.1115/GT2018-76545
View Paper titled, A Method for Parametric Analysis of Stability Boundaries for Nonlinear Periodic Vibrations of Structures With Contact Interfaces
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Topics: Stability, Vibration, Design, Algorithms, Damping, Degrees of freedom, Excitation, Finite element model, Friction, Gas turbines
Proceedings Papers

Analysis of Nonlinear Modal Damping due to Friction at Blade Roots Using High-Fidelity Modelling

Junjie Chen, Chaoping Zang, Biao Zhou, E. P. Petrov
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A028, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76546
https://doi.org/10.1115/GT2018-76546
View Paper titled, Analysis of Nonlinear Modal Damping due to Friction at Blade Roots Using High-Fidelity Modelling
Open the PDF for Analysis of Nonlinear Modal Damping due to Friction at Blade Roots Using High-Fidelity Modelling in another window
Topics: Blades, Damping, Friction, Modeling, Disks, Vibration, Finite element model, Dimensions, Dynamics (Mechanics), Engines
Proceedings Papers

Analysis of Deformation of Mistuned Bladed Disks With Friction and Random Crystal Anisotropy Orientation Using Gradient-Based Polynomial Chaos Expansion

Rahul Rajasekharan, E. P. Petrov
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A029, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76566
https://doi.org/10.1115/GT2018-76566
View Paper titled, Analysis of Deformation of Mistuned Bladed Disks With Friction and Random Crystal Anisotropy Orientation Using Gradient-Based Polynomial Chaos Expansion
Open the PDF for Analysis of Deformation of Mistuned Bladed Disks With Friction and Random Crystal Anisotropy Orientation Using Gradient-Based Polynomial Chaos Expansion in another window
Topics: Anisotropy, Chaos, Crystals, Deformation, Disks, Friction, Polynomials, Blades, Sensitivity analysis, Statistical analysis
Proceedings Papers

High-Fidelity Sensitivity Analysis of Modal Properties of Mistuned Bladed Disks Regarding Material Anisotropy

Adam Koscso, Guido Dhondt, E. P. Petrov
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A030, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76572
https://doi.org/10.1115/GT2018-76572
View Paper titled, High-Fidelity Sensitivity Analysis of Modal Properties of Mistuned Bladed Disks Regarding Material Anisotropy
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Topics: Anisotropy, Disks, Sensitivity analysis, Blades, Finite element model, Mode shapes, Crystal structure
Journal Articles

Analysis of Forced Response for Bladed Disks Mistuned by Material Anisotropy Orientation Scatters

Chaoping Zang, Yuanqiu Tan, E. P. Petrov
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 022503.
Paper No: GTP-16-1501
https://doi.org/10.1115/1.4037863
Published Online: October 10, 2017
View Article titled, Analysis of Forced Response for Bladed Disks Mistuned by Material Anisotropy Orientation Scatters
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Topics: Anisotropy, Blades, Disks, Modeling
Journal Articles

Frequency-Domain Sensitivity Analysis of Stability of Nonlinear Vibrations for High-Fidelity Models of Jointed Structures

E. P. Petrov
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2018, 140(1): 012508.
Paper No: GTP-17-1303
https://doi.org/10.1115/1.4037708
Published Online: September 19, 2017
View Article titled, Frequency-Domain Sensitivity Analysis of Stability of Nonlinear Vibrations for High-Fidelity Models of Jointed Structures
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Topics: Stability, Vibration