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Journal Articles

Dynamic Modeling of the Double-Nut Planetary Roller Screw Mechanism Considering Elastic Deformations

Xiaojun Fu, Geng Liu, Xin Li, Shangjun Ma, Guan Qiao
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. May 2021, 16(5): 051003.
Paper No: CND-20-1390
https://doi.org/10.1115/1.4050613
Published Online: April 9, 2021
View Article titled, Dynamic Modeling of the Double-Nut Planetary Roller Screw Mechanism Considering Elastic Deformations
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Topics: Rollers, Screws, Stress, Deformation, Thread
Proceedings Papers

Passive Pitching Mechanism of Three-Dimensional Flapping Wings in Hovering Flight

Chengyu Li, Junshi Wang, Geng Liu, Xiaolong Deng, Haibo Dong
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A043, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4639
https://doi.org/10.1115/AJKFluids2019-4639
View Paper titled, Passive Pitching Mechanism of Three-Dimensional Flapping Wings in Hovering Flight
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Topics: Flight, Wings, Aerodynamics, Computational fluid dynamics, Design, Fluid-dynamic forces, Kinematics, Lift (Fluid dynamics), Reynolds number, Rotation
Proceedings Papers

Kinematics and Hydrodynamics of Invertebrate Undulatory Swimming

Jianghong Tian, Pan Han, Xiaolong Deng, Royce E. Lindengren, Geng Liu, Yan Ren, Haibo Dong
Proc. ASME. FEDSM2018, Volume 1: Flow Manipulation and Active Control; Bio-Inspired Fluid Mechanics; Boundary Layer and High-Speed Flows; Fluids Engineering Education; Transport Phenomena in Energy Conversion and Mixing; Turbulent Flows; Vortex Dynamics; DNS/LES and Hybrid RANS/LES Methods; Fluid Structure Interaction; Fluid Dynamics of Wind Energy; Bubble, Droplet, and Aerosol Dynamics, V001T02A004, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83259
https://doi.org/10.1115/FEDSM2018-83259
View Paper titled, Kinematics and Hydrodynamics of Invertebrate Undulatory Swimming
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Topics: Hydrodynamics, Kinematics, Propulsion, Wavelength, Computer simulation, Energy consumption, Flow (Dynamics), Muscle, Photogrammetry, Pressure
Journal Articles

Kinematic Model of Planetary Roller Screw Mechanism With Run-Out and Position Errors

Xiaojun Fu, Geng Liu, Shangjun Ma, Ruiting Tong, Teik C. Lim
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. March 2018, 140(3): 032301.
Paper No: MD-16-1841
https://doi.org/10.1115/1.4039005
Published Online: January 25, 2018
View Article titled, Kinematic Model of Planetary Roller Screw Mechanism With Run-Out and Position Errors
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Topics: Errors, Rollers, Screws, Kinematics, Thread
Proceedings Papers

Dynamic Stiffness Model of Planetary Roller Screw Mechanism With Clearance, Geometry Errors and Rolling-Sliding Friction

Shangjun Ma, Cheng Peng, Xiaofeng Li, Geng Liu
Proc. ASME. IDETC-CIE2017, Volume 10: 2017 ASME International Power Transmission and Gearing Conference, V010T11A046, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67488
https://doi.org/10.1115/DETC2017-67488
View Paper titled, Dynamic Stiffness Model of Planetary Roller Screw Mechanism With Clearance, Geometry Errors and Rolling-Sliding Friction
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Topics: Clearances (Engineering), Errors, Friction, Geometry, Rollers, Screws, Stiffness, Stress, Screw threads, Thread
Proceedings Papers

Friction Torque Modelling and Efficiency Analysis of the Preloaded Inverted Planetary Roller Screw Mechanism

Guan Qiao, Geng Liu, Shangjun Ma, Zhenghong Shi, Teik C. Lim
Proc. ASME. IDETC-CIE2017, Volume 10: 2017 ASME International Power Transmission and Gearing Conference, V010T11A042, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-68006
https://doi.org/10.1115/DETC2017-68006
View Paper titled, Friction Torque Modelling and Efficiency Analysis of the Preloaded Inverted Planetary Roller Screw Mechanism
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Topics: Friction, Modeling, Rollers, Screws, Torque, Thread, Design, Stress, Lubricants, Optimization
Proceedings Papers

Computational Analysis of 3D Fin-Fin Interaction in Fish’s Steady Swimming

Pan Han, Geng Liu, Yan Ren, Haibo Dong
Proc. ASME. FEDSM2016, Volume 1A, Symposia: Turbomachinery Flow Simulation and Optimization; Applications in CFD; Bio-Inspired and Bio-Medical Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES and Hybrid RANS/LES Methods; Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Active Fluid Dynamics and Flow Control — Theory, Experiments and Implementation, V01AT04A006, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2016-7699
https://doi.org/10.1115/FEDSM2016-7699
View Paper titled, Computational Analysis of 3D Fin-Fin Interaction in Fish’s Steady Swimming
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Topics: Computer simulation, Fins, Flow (Dynamics), Kinematics, Membranes, Thrust, Vortex shedding, Vortices, Vorticity, Wakes
Proceedings Papers

Effects of Tail Geometries on the Performance and Wake Pattern in Flapping Propulsion

Geng Liu, Haibo Dong
Proc. ASME. FEDSM2016, Volume 1B, Symposia: Fluid Mechanics (Fundamental Issues and Perspectives; Industrial and Environmental Applications); Multiphase Flow and Systems (Multiscale Methods; Noninvasive Measurements; Numerical Methods; Heat Transfer; Performance); Transport Phenomena (Clean Energy; Mixing; Manufacturing and Materials Processing); Turbulent Flows — Issues and Perspectives; Algorithms and Applications for High Performance CFD Computation; Fluid Power; Fluid Dynamics of Wind Energy; Marine Hydrodynamics, V01BT30A002, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2016-7691
https://doi.org/10.1115/FEDSM2016-7691
View Paper titled, Effects of Tail Geometries on the Performance and Wake Pattern in Flapping Propulsion
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Topics: Propulsion, Wakes, Shapes, Fins, Flow (Dynamics), Thrust
Journal Articles

A Comprehensive Contact Analysis of Planetary Roller Screw Mechanism

Xiaojun Fu, Geng Liu, Shangjun Ma, Ruiting Tong, Teik C. Lim
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. January 2017, 139(1): 012302.
Paper No: MD-16-1326
https://doi.org/10.1115/1.4034580
Published Online: October 14, 2016
View Article titled, A Comprehensive Contact Analysis of Planetary Roller Screw Mechanism
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Topics: Clearances (Engineering), Rollers, Screws, Thread
Journal Articles

Maximum von Mises Stress and Its Location in Trilayer Materials in Contact

Chengjiao Yu, Zhanjiang Wang, Geng Liu, Leon M. Keer, Q. Jane Wang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. October 2016, 138(4): 041402.
Paper No: TRIB-15-1201
https://doi.org/10.1115/1.4032888
Published Online: July 8, 2016
View Article titled, Maximum von Mises Stress and Its Location in Trilayer Materials in Contact
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Topics: Coatings, Stress, Friction
Journal Articles

Multiscale Analysis on Two Dimensional Nanoscale Sliding Contacts of Textured Surfaces

Ruiting Tong, Geng Liu, Tianxiang Liu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2011, 133(4): 041401.
https://doi.org/10.1115/1.4004759
Published Online: October 6, 2011
View Article titled, Multiscale Analysis on Two Dimensional Nanoscale Sliding Contacts of Textured Surfaces
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Topics: Atoms, Friction, Nanoscale phenomena, Potential energy, Shapes
eBook Chapter

Data Management System Applied to the Structural Intensity Analysis of Aircraft

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2011
ISBN: 9780791859742
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Topics: Aircraft
Proceedings Papers

Dynamic Response Analysis for Non-Smooth Gear Rattling System

Kai Xu, Xiaozhong Deng, Jianjun Yang, Geng Liu
Proc. ASME. IDETC-CIE2009, Volume 4: 7th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B and C, 1633-1638, August 30–September 2, 2009
Publisher: American Society of Mechanical Engineers
Paper No: DETC2009-86368
https://doi.org/10.1115/DETC2009-86368
View Paper titled, Dynamic Response Analysis for Non-Smooth Gear Rattling System
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Topics: Dynamic response analysis, Gears, Computational methods, Bifurcation, Dynamic models, Jacobian matrices, Wheels
Proceedings Papers

Microstructure Enhanced Heat Exchanger for Pressurized Water Reactor

Kun Lian, Min Zhang, Guoqiang Li, Su-Seng Pang, Zhong-Geng Ling, Chang-Geng Liu, Samuel Ibekwe
Proc. ASME. MNC2007, First International Conference on Integration and Commercialization of Micro and Nanosystems, Parts A and B, 917-920, January 10–13, 2007
Publisher: American Society of Mechanical Engineers
Paper No: MNC2007-21447
https://doi.org/10.1115/MNC2007-21447
View Paper titled, Microstructure Enhanced Heat Exchanger for Pressurized Water Reactor
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Topics: Heat exchangers, Pressurized water reactors, Heating, Boiling, Heat transfer, Temperature, Vapors, Nucleation (Physics), Poles (Building), Boilers
Journal Articles

Study on Contact Characteristic of Nanoscale Asperities by Using Molecular Dynamics Simulations

Tianxiang Liu, Geng Liu, Peter Wriggers, Shijun Zhu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2009, 131(2): 022001.
https://doi.org/10.1115/1.3063812
Published Online: March 3, 2009
View Article titled, Study on Contact Characteristic of Nanoscale Asperities by Using Molecular Dynamics Simulations
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Topics: Adhesion, Adhesives, Atoms, Displacement, Molecular dynamics simulation, Nanoscale phenomena, Probes, Simulation, Stress, Shapes
Proceedings Papers

Thermal Elasto-Plastic Contact Model of Rough Surfaces

Geng Liu, Tianxiang Liu, Qin Xie, Fanghui Shi
Proc. ASME. WTC2005, World Tribology Congress III, Volume 1, 353-354, September 12–16, 2005
Publisher: American Society of Mechanical Engineers
Paper No: WTC2005-63810
https://doi.org/10.1115/WTC2005-63810
View Paper titled, Thermal Elasto-Plastic Contact Model of Rough Surfaces
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Topics: Surface roughness, Cylinders, Deformation, Heat, Heating, Pressure, Steady state, Stress, Temperature, Temperature effects
Proceedings Papers

Elasto-Plastic Asperity Contacts of Layered Media

Qin Xie, Geng Liu, Tianxiang Liu, Ruiting Tong, Quanren Zeng
Proc. ASME. WTC2005, World Tribology Congress III, Volume 1, 355-356, September 12–16, 2005
Publisher: American Society of Mechanical Engineers
Paper No: WTC2005-63812
https://doi.org/10.1115/WTC2005-63812
View Paper titled, Elasto-Plastic Asperity Contacts of Layered Media
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Topics: Coating processes, Coatings, Computer programming, Deformation, Finite element methods, Materials properties, Pressure, Stiffness, Stress, Surface roughness
Proceedings Papers

A Two-Dimensional Adaptive Elasto-Plastic Contact Model of Rough Surfaces

Tianxiang Liu, Geng Liu, Qin Xie
Proc. ASME. WTC2005, World Tribology Congress III, Volume 1, 357-358, September 12–16, 2005
Publisher: American Society of Mechanical Engineers
Paper No: WTC2005-63815
https://doi.org/10.1115/WTC2005-63815
View Paper titled, A Two-Dimensional Adaptive Elasto-Plastic Contact Model of Rough Surfaces
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Topics: Surface roughness, Contact mechanics, Errors, Pressure, Stress
Journal Articles

Two-Dimensional Adaptive-Surface Elasto-Plastic Asperity Contact Model

Tianxiang Liu, Geng Liu, Qin Xie, Q. Jane Wang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. October 2006, 128(4): 898–903.
https://doi.org/10.1115/1.2345418
Published Online: June 1, 2006
View Article titled, Two-Dimensional Adaptive-Surface Elasto-Plastic Asperity Contact Model
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Topics: Errors, Pressure, Surface roughness, Stress, Contact mechanics
Journal Articles

An Element-Free Galerkin-Finite Element Coupling Method for Elasto-Plastic Contact Problems

Tianxiang Liu, Geng Liu, Q. Jane Wang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2006, 128(1): 1–9.
https://doi.org/10.1115/1.1843134
Published Online: December 14, 2005
View Article titled, An Element-Free Galerkin-Finite Element Coupling Method for Elasto-Plastic Contact Problems
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Topics: Contact mechanics, Cylinders, Stress, Surface roughness, Weight (Mass), Pressure, Shapes, Finite element methods, Elastoplasticity, Linear programming