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Jae-Hung Han
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Proceedings Papers

Modal Analysis of 2D Periodic Structures Using Dynamic Condensation With Primal Assembly

Robel Weldebrhan Hagos, Seongmin Chang, Jae-Hung Han
Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T03A005, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-110973
https://doi.org/10.1115/SMASIS2023-110973
View Paper titled, Modal Analysis of 2D Periodic Structures Using Dynamic Condensation With Primal Assembly
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Topics: Condensation, Manufacturing, Modal analysis, Periodic structures
Proceedings Papers

In-Flight Structural Test of a Hoverbike Using Fiber Optic Sensors

Yong-Ha Hwang, Kwangwoo Jang, Hyungjoo Ahn, Hyochoong Bang, Jae-Hung Han
Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T02A003, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-110974
https://doi.org/10.1115/SMASIS2023-110974
View Paper titled, In-Flight Structural Test of a Hoverbike Using Fiber Optic Sensors
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Topics: Fiber Bragg gratings, Fiber optic sensors, Finite element analysis, Flight, Sensors, Stress, Thrust, Carbon, Damage, Electromagnetic interference
Proceedings Papers

Experimental Study on Gradually Varying Thickness Patch for Elastic Wave Manipulation Using Piezo Disk Actuators

Hyun-Su Park, Dae-Hyun Hwang, Jae-Hung Han
Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T02A002, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-110972
https://doi.org/10.1115/SMASIS2023-110972
View Paper titled, Experimental Study on Gradually Varying Thickness Patch for Elastic Wave Manipulation Using Piezo Disk Actuators
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Topics: Actuators, Disks, Elastic waves, Ray tracing, Refraction
Journal Articles

A Thickness-Accommodating Method for Void-Free Design in Uniformly Thick Origami

Tae-Hyun Kim, Keon-Ik Jang, Dae-Young Lee, Jae-Hung Han
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. December 2023, 145(12): 123301.
Paper No: MD-23-1213
https://doi.org/10.1115/1.4063159
Published Online: August 29, 2023
View Article titled, A Thickness-Accommodating Method for Void-Free Design in Uniformly Thick Origami
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Topics: Design, Engineering prototypes, Membranes
Journal Articles

Twist-Coupled Flapping Mechanism for Bird-Type Flapping-Wing Air Vehicles

Yu-Jeong Han, Hyeon-Ho Yang, Jae-Hung Han
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. October 2023, 15(5): 051017.
Paper No: JMR-22-1481
https://doi.org/10.1115/1.4062339
Published Online: May 2, 2023
View Article titled, Twist-Coupled Flapping Mechanism for Bird-Type Flapping-Wing Air Vehicles
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Topics: Design, Kinematics, Optimization, Thrust, Wings, Flight, Wind tunnels, Vehicles, Manufacturing, Stress
Journal Articles

Parameter Optimization of Foldable Flapping-Wing Mechanism for Maximum Lift

Hyeon-Ho Yang, Sang-Gil Lee, Reynolds Addo-Akoto, Jae-Hung Han
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. March 2024, 16(3): 031002.
Paper No: JMR-22-1371
https://doi.org/10.1115/1.4056869
Published Online: March 8, 2023
View Article titled, Parameter Optimization of Foldable Flapping-Wing Mechanism for Maximum Lift
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Topics: Optimization, Wings, Design, Kinematics, Simulation
Journal Articles

Design and Prototyping of Rotational Bi-Stable Mechanism Using Permanent Magnets

Hyeon-Ho Yang, Jae-Hung Han
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. October 2021, 13(5): 051004.
Paper No: JMR-20-1475
https://doi.org/10.1115/1.4050295
Published Online: May 20, 2021
View Article titled, Design and Prototyping of Rotational Bi-Stable Mechanism Using Permanent Magnets
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Topics: Magnetic fields, Magnets, Permanent magnets, Stability, Potential energy, Design, Magnetic moment, Electromagnets
Proceedings Papers

Design of Revolute Joint With Bi-Stability Using Permanent Magnets

Hyeon-Ho Yang, Jae-Hung Han
Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A026, September 15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2020-2419
https://doi.org/10.1115/SMASIS2020-2419
View Paper titled, Design of Revolute Joint With Bi-Stability Using Permanent Magnets
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Topics: Design, Permanent magnets, Stability
Proceedings Papers

Wing-Wake Interaction of Insect-Like Flapping Wing in Hover: Effect of Aspect Ratio and Kinematics at Re~10 4

Reynolds Addo-Akoto, Jong-Seob Han, Jae-Hung Han
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A015, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4804
https://doi.org/10.1115/AJKFluids2019-4804
View Paper titled, Wing-Wake Interaction of Insect-Like Flapping Wing in Hover: Effect of Aspect Ratio and Kinematics at Re~10 4
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Topics: Kinematics, Vortices, Wakes, Wings
Proceedings Papers

Wake Behavior Around Flapping Wings of Model Hawkmoth Moving Sideways

Jong-Seob Han, Jae-Hung Han
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A016, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4808
https://doi.org/10.1115/AJKFluids2019-4808
View Paper titled, Wake Behavior Around Flapping Wings of Model Hawkmoth Moving Sideways
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Topics: Particulate matter, Wakes, Wings
Proceedings Papers

The Effects of Wakes on Aerodynamic Characteristics of Flapping Wings in Clap-and-Fling Motion at Re of ~10 4

Jong-Seob Han, Jae-Hung Han
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, V001T02A001, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83112
https://doi.org/10.1115/FEDSM2018-83112
View Paper titled, The Effects of Wakes on Aerodynamic Characteristics of Flapping Wings in Clap-and-Fling Motion at Re of ~10 4
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Topics: Wakes, Wings, Aerodynamics, Cycles, Flight, Fluid-dynamic forces, Robotics, Vehicles, Wake turbulence, Water
Proceedings Papers

Dynamic Stability of Flapping-Wing Micro Air Vehicles With Unsteady Aerodynamic Model

Jae-Hung Han, Anh Tuan Nguyen
Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT01A002, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69568
https://doi.org/10.1115/FEDSM2017-69568
View Paper titled, Dynamic Stability of Flapping-Wing Micro Air Vehicles With Unsteady Aerodynamic Model
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Topics: Dynamic stability, Vehicles, Wings, Flight, Aerodynamics, Multibody dynamics
Proceedings Papers

Towing Tank Experiments for Flapping-Wing Aerodynamics

Jong-Seob Han, Jong-Wan Lee, Jae-Hung Han
Proc. ASME. FEDSM2017, Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Gas and Liquid-Solid Two-Phase Flows; Numerical Methods for Multiphase Flow; Turbulent Flows: Issues and Perspectives; Flow Applications in Aerospace; Fluid Power; Bio-Inspired Fluid Mechanics; Flow Manipulation and Active Control; Fundamental Issues and Perspectives in Fluid Mechanics; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes, V01CT21A008, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69566
https://doi.org/10.1115/FEDSM2017-69566
View Paper titled, Towing Tank Experiments for Flapping-Wing Aerodynamics
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Topics: Aerodynamics, Model basin, Wings, Flight, Cross section (Physics), Kinematics, Manipulators, Particulate matter, Servomechanisms
Proceedings Papers

Wind-Turbine Vibration Reduction Using Flow Control Devices

Ho-Young Kim, Jae-Hung Han
Proc. ASME. FEDSM2017, Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Gas and Liquid-Solid Two-Phase Flows; Numerical Methods for Multiphase Flow; Turbulent Flows: Issues and Perspectives; Flow Applications in Aerospace; Fluid Power; Bio-Inspired Fluid Mechanics; Flow Manipulation and Active Control; Fundamental Issues and Perspectives in Fluid Mechanics; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes, V01CT22A007, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69569
https://doi.org/10.1115/FEDSM2017-69569
View Paper titled, Wind-Turbine Vibration Reduction Using Flow Control Devices
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Topics: Flow control, Vibration, Wind turbines, Actuators, Blades, Plasmas (Ionized gases), Airfoils, Flow separation, Computational fluid dynamics, Control equipment
Proceedings Papers

Modified Unsteady Vortex Lattice Method for Aerodynamics of Flapping Wing Models

Anh Tuan Nguyen, Jae-Hung Han
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT04A001, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-04424
https://doi.org/10.1115/AJKFluids2015-04424
View Paper titled, Modified Unsteady Vortex Lattice Method for Aerodynamics of Flapping Wing Models
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Topics: Aerodynamics, Vortices, Wings, Design, Engineering simulation, Kinematics, Simulation, Vehicles
Proceedings Papers

Experimental Study on the Forward Flight of the Hawkmoth Using the Dynamically Scaled-Up Robotic Model

Jong-seob Han, Jae-Hung Han, Jo Won Chang
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT04A002, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-04425
https://doi.org/10.1115/AJKFluids2015-04425
View Paper titled, Experimental Study on the Forward Flight of the Hawkmoth Using the Dynamically Scaled-Up Robotic Model
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Topics: Flight, Robotics, Aerodynamics, Flow (Dynamics), Fluid-dynamic forces
Proceedings Papers

Frequency Tunable Isolator Based on Shape Memory Alloy for Effective Shock and Vibration Suppression

Ho-Kyeong Jeong, Juho Lee, Jae-Hung Han
Proc. ASME. SMASIS2013, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Integrated System Design and Implementation, V001T03A045, September 16–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2013-3286
https://doi.org/10.1115/SMASIS2013-3286
View Paper titled, Frequency Tunable Isolator Based on Shape Memory Alloy for Effective Shock and Vibration Suppression
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Topics: Shape memory alloys, Shock (Mechanics), Vibration suppression, Vibration, Vehicles, Actuators, Aircraft, Circuits, Design, Electrical components
Proceedings Papers

Development of Multi-DOF Active Microvibration Emulator

Geeyong Park, Dae-Oen Lee, Jae-Hung Han, Nam Seo Goo
Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 477-483, September 19–21, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2012-8240
https://doi.org/10.1115/SMASIS2012-8240
View Paper titled, Development of Multi-DOF Active Microvibration Emulator
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Topics: Coolers, Damping, Engineering prototypes, Flexible manufacturing systems, Flight, Manufacturing, Modeling, Satellites, Security, Vibration
Proceedings Papers

Simultaneous Measurement of Deformation and Fracture of Composite Structures Using Fiber Bragg Grating Sensors

Hong-Il Kim, Jae-Hung Han, Hyung-Joon Bang, Soo-Hyun Kim, Bongwan Lee
Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 465-471, September 18–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2011-5031
https://doi.org/10.1115/SMASIS2011-5031
View Paper titled, Simultaneous Measurement of Deformation and Fracture of Composite Structures Using Fiber Bragg Grating Sensors
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Topics: Composite materials, Deformation, Fiber Bragg gratings, Fracture (Materials), Fracture (Process), Sensors, Shapes, Signals, Aerodynamics, Deflection
Proceedings Papers

Tower Deflection Monitoring of a Wind Turbine Using an Array of Fiber Bragg Grating Sensors

Hyung-Joon Bang, Hong-Il Kim, Moonseok Jang, Jae-Hung Han
Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 473-479, September 18–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2011-5033
https://doi.org/10.1115/SMASIS2011-5033
View Paper titled, Tower Deflection Monitoring of a Wind Turbine Using an Array of Fiber Bragg Grating Sensors
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Topics: Deflection, Fiber Bragg gratings, Sensors, Wind turbines, Shapes, Blades, Displacement, Finite element model