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Journal Articles

Stability of Non-Axisymmetric Rotor and Bearing Systems Modeled With Three-Dimensional-Solid Finite Elements

Joseph Oh, Alan Palazzolo, Lingnan Hu
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2020, 142(1): 011010.
Paper No: VIB-19-1059
https://doi.org/10.1115/1.4045099
Published Online: November 18, 2019
View Article titled, Stability of Non-Axisymmetric Rotor and Bearing Systems Modeled With Three-Dimensional-Solid Finite Elements
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Topics: Bearings, Rotors, Stability, Damping
Journal Articles

An Enhanced Axisymmetric Solid Element for Rotor Dynamic Model Improvement

Lingnan Hu, Alan Palazzolo
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. October 2019, 141(5): 051002.
Paper No: VIB-18-1282
https://doi.org/10.1115/1.4043411
Published Online: May 10, 2019
View Article titled, An Enhanced Axisymmetric Solid Element for Rotor Dynamic Model Improvement
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Topics: Bearings, Disks, Finite element model, Rotors, Stress, Rotation, Spin (Aerodynamics), Stiffness
Proceedings Papers

Solid Element Rotordynamic Modeling of a Rotor on a Flexible Support Structure Utilizing MIMO Support Transfer Functions

Lingnan Hu, Alan Palazzolo
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT30A008, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57012
https://doi.org/10.1115/GT2016-57012
View Paper titled, Solid Element Rotordynamic Modeling of a Rotor on a Flexible Support Structure Utilizing MIMO Support Transfer Functions
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Topics: Modeling, Rotors, Transfer functions, Bearings, Computation, Finite element analysis, Polynomials, Approximation, Curve fitting, Degrees of freedom
Journal Articles

Solid Element Rotordynamic Modeling of a Rotor on a Flexible Support Structure Utilizing Multiple-Input and Multiple-Output Support Transfer Functions

Lingnan Hu, Alan Palazzolo
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2017, 139(1): 012503.
Paper No: GTP-16-1226
https://doi.org/10.1115/1.4034207
Published Online: August 16, 2016
View Article titled, Solid Element Rotordynamic Modeling of a Rotor on a Flexible Support Structure Utilizing Multiple-Input and Multiple-Output Support Transfer Functions
Open the PDF for Solid Element Rotordynamic Modeling of a Rotor on a Flexible Support Structure Utilizing Multiple-Input and Multiple-Output Support Transfer Functions in another window
Topics: Bearings, Modeling, Rotors, Computation, Finite element model
Journal Articles

Suppression of Lateral and Torsional Stick–Slip Vibrations of Drillstrings With Impact and Torsional Dampers

Lingnan Hu, Alan Palazzolo, Mansour Karkoub
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. October 2016, 138(5): 051013.
Paper No: VIB-15-1527
https://doi.org/10.1115/1.4033640
Published Online: June 17, 2016
View Article titled, Suppression of Lateral and Torsional Stick–Slip Vibrations of Drillstrings With Impact and Torsional Dampers
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Topics: Dampers, Drill strings, Stick-slip, Torque, Vibration, Damping, Drilling, Simulation results, Coulombs