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Journal Articles

Topological Optimization of Under-Platform Dampers With Moving Morphable Components and Global Optimization Algorithm for Nonlinear Frequency Response

E. Denimal, F. El Haddad, C. Wong, L. Salles
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021021.
Paper No: GTP-20-1577
DOI: https://doi.org/10.1115/1.4049666
Published Online: February 1, 2021
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Topics: Dampers, Geometry, Optimization, Optimization algorithms, Topology, Blades, Friction
Journal Articles

On the Efficiency of a Conical Underplatform Damper for Turbines

E. Denimal, C. Wong, L. Salles, L. Pesaresi
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021020.
Paper No: GTP-20-1574
DOI: https://doi.org/10.1115/1.4049665
Published Online: February 1, 2021
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Topics: Dampers, Wedges, Kinematics
Proceedings Papers

Effect of Geometric Uncertainty on a One Stage Transonic Compressor of an Industrial Gas Turbine

S. Venkatesh, K. Suzuki, M. Vahdati, L. Salles, Q. Rendu
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A078, September 21–25, 2020
Paper No: GT2020-16315
DOI: https://doi.org/10.1115/GT2020-16315
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Topics: Compressors, Industrial gases, Turbines, Uncertainty, Blades, Damage, Stability, Rotors, Annulus, Chords (Trusses)
Proceedings Papers

Topological Optimization of Under-Platform Dampers With Moving Morphable Components and Global Optimization Algorithm for Nonlinear Frequency Response

E. Denimal, F. El Haddad, C. Wong, L. Salles
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A006, September 21–25, 2020
Paper No: GT2020-14394
DOI: https://doi.org/10.1115/GT2020-14394
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Topics: Dampers, Frequency response, Optimization, Optimization algorithms, Topology, Vibration, Aircraft engines, Friction, Geometry, High cycle fatigue
Proceedings Papers

Stress and Modal Analysis of a Rotating Blade and the Effects of Nonlocality

M. Tufekci, Q. Rendu, J. Yuan, J. P. Dear, L. Salles, A. V. Cherednichenko
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT26A008, September 21–25, 2020
Paper No: GT2020-14821
DOI: https://doi.org/10.1115/GT2020-14821
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Topics: Modal analysis, Rotating blades, Stress, Blades, Elasticity, Rotors, Alloys, Boundary-value problems, Composite materials, Engines
Proceedings Papers

On the Efficiency of a Conical Under-Platform Damper for Turbines

E. Denimal, C. Wong, L. Salles, L. Pesaresi
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A012, September 21–25, 2020
Paper No: GT2020-14642
DOI: https://doi.org/10.1115/GT2020-14642
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Topics: Dampers, Turbines, Blades, Damping, Geometry, Kinematics, Wedges, Aircraft engines, Dry friction, Dynamic analysis
Proceedings Papers

Parallel Harmonic Balance Method for Analysis of Nonlinear Dynamical Systems

J. Blahoš, A. Vizzaccaro, L. Salles, F. El Haddad
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A028, September 21–25, 2020
Paper No: GT2020-15392
DOI: https://doi.org/10.1115/GT2020-15392
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Topics: Aircraft engines, Algorithms, Blades, Computer software, Design, Jet engines, Modeling, Nonlinear dynamical systems, Solid mechanics, Vibration
Journal Articles

Radial Decomposition of Blade Vibration to Identify a Stall Flutter Source in a Transonic Fan

Q. Rendu, M. Vahdati, L. Salles
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2019, 141(10): 101011.
Paper No: TURBO-18-1314
DOI: https://doi.org/10.1115/1.4044484
Published Online: October 1, 2019
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Topics: Blades, Flutter (Aerodynamics), Pressure, Shock waves, Vibration, Fluctuations (Physics), Flow (Dynamics), Damping, Computation, Oscillations
Proceedings Papers

Comparison of Two Numerical Algorithms for Computing the Effects of Mistuning of Fan Flutter

L. Salles, M. Vahdati
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT34A018, June 13–17, 2016
Paper No: GT2016-57324
DOI: https://doi.org/10.1115/GT2016-57324
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Topics: Algorithms, Flutter (Aerodynamics), Computation, Blades, Mode shapes, Computational fluid dynamics, Damping, Manufacturing, Annulus, Chords (Trusses)
Proceedings Papers

A Multi-Scale Approach for Nonlinear Dynamic Response Predictions With Fretting Wear

J. Armand, L. Pesaresi, L. Salles, C. W. Schwingshackl
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT32A003, June 13–17, 2016
Paper No: GT2016-56201
DOI: https://doi.org/10.1115/GT2016-56201
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Topics: Dynamic response, Wear, Dampers, Blades, Manufacturing, Aircraft engines, Dynamic analysis, Dynamic models, Robustness, Vibration
Journal Articles

A Multiscale Approach for Nonlinear Dynamic Response Predictions With Fretting Wear

J. Armand, L. Pesaresi, L. Salles, C. W. Schwingshackl
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022505.
Paper No: GTP-16-1240
DOI: https://doi.org/10.1115/1.4034344
Published Online: September 13, 2016
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Topics: Dampers, Dynamic response, Wear, Vibration, Blades, Computation, Dynamic analysis
Proceedings Papers

Numerical Simulation of Partial Slip Contact Using a Semi-Analytical Method

J. Armand, L. Salles, C. W. Schwingshackl
Proc. ASME. IDETC-CIE2015, Volume 8: 27th Conference on Mechanical Vibration and Noise, V008T13A022, August 2–5, 2015
Paper No: DETC2015-46464
DOI: https://doi.org/10.1115/DETC2015-46464
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Topics: Computer simulation, Contact mechanics, Cylinders, Dynamic response, Engineering simulation, Finite element analysis, Manufacturing, Mechanical properties, Mechanical structures, Pressure