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Proceedings Papers

Asymmetrical Auxetic Structures for Impact Force Mitigation

Chulho Yang, Dongchan Lee, Ben Worwag
Proc. ASME. IMECE2023, Volume 4: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V004T04A010, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-112772
https://doi.org/10.1115/IMECE2023-112772
View Paper titled, Asymmetrical Auxetic Structures for Impact Force Mitigation
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Topics: Absorption, Actuators, Adaptive structures, Additive manufacturing, Collisions (Physics), Deformation, Engineering prototypes, Finite element analysis, Fittings, Fracture toughness
Proceedings Papers

Pressure Sensors Developed Using Auxetic Structures

Brandon Yang, Dongchan Lee, Huaxia Wang, Chulho Yang
Proc. ASME. IMECE2023, Volume 4: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V004T04A007, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113213
https://doi.org/10.1115/IMECE2023-113213
View Paper titled, Pressure Sensors Developed Using Auxetic Structures
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Topics: Additive manufacturing, Finite element analysis, Poisson ratio, Pressure sensors
Proceedings Papers

Simulation of Deformation in Nial Single Crystals

Chulho Yang, Ashok V. Kumar
Proc. ASME. IMECE97, Recent Advances in Solids/Structures and Application of Metallic Materials, 383-388, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0552
https://doi.org/10.1115/IMECE1997-0552
View Paper titled, Simulation of Deformation in Nial Single Crystals
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Topics: Crystals, Deformation, Simulation, Tensile testing, Diffusion (Physics), Finite element analysis, Finite element model, Hardening, Necking
Proceedings Papers

Nonlinearity of Enhanced Cell Structures Having Auxetic Material Properties

Chulho Yang, Young Bae Chang, Dongchan Lee
Proc. ASME. IMECE2019, Volume 12: Advanced Materials: Design, Processing, Characterization, and Applications, V012T10A040, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-11361
https://doi.org/10.1115/IMECE2019-11361
View Paper titled, Nonlinearity of Enhanced Cell Structures Having Auxetic Material Properties
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Topics: Absorption, Additive manufacturing, Compression, Deformation, Engineering prototypes, Finite element analysis, Materials properties, Modeling, Poisson ratio, Shock (Mechanics)
Proceedings Papers

Mechanical Properties of Interlocking Cell Structure for Soft Exoskeleton Suits

Dongchan Lee, Chulho Yang
Proc. ASME. IMECE2019, Volume 12: Advanced Materials: Design, Processing, Characterization, and Applications, V012T10A074, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-11340
https://doi.org/10.1115/IMECE2019-11340
View Paper titled, Mechanical Properties of Interlocking Cell Structure for Soft Exoskeleton Suits
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Topics: Additive manufacturing, Airbags, Damping, Design, Exoskeleton devices, Finite element analysis, Honeycomb structures, Lightweight construction, Manufacturing, Mechanical properties
Proceedings Papers

Parametric Study on Multi-Layer Dome-Shape Structures for Use in Protective Pads

Chulho Yang, Hitesh D. Vora, Dongchan Lee, Young Chang, Navin Sakthivel
Proc. ASME. IMECE2017, Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Structural Health Monitoring and Prognosis, V009T12A029, November 3–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2017-71962
https://doi.org/10.1115/IMECE2017-71962
View Paper titled, Parametric Study on Multi-Layer Dome-Shape Structures for Use in Protective Pads
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Topics: Domes (Structural elements), Shapes, Shock (Mechanics), Design, Epoxy adhesives, Epoxy resins, Finite element analysis, Membranes, Shells, Textiles
Proceedings Papers

Evaluation of Auxetic Polymeric Structures for Use in Protective Pads

Chulho Yang, Hitesh D. Vora, Young Bae Chang
Proc. ASME. IMECE2016, Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Diagnosis, and Prognosis, V009T12A066, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-67588
https://doi.org/10.1115/IMECE2016-67588
View Paper titled, Evaluation of Auxetic Polymeric Structures for Use in Protective Pads
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Topics: Absorption, Adaptive structures, Additive manufacturing, Bone, Carbon, Composite materials, Design, Dynamic analysis, Engineering prototypes, Epoxy adhesives
Proceedings Papers

Application of Auxetic Polymeric Structures for Body Protection

Chulho Yang, Hitesh D. Vora, Young B. Chang
Proc. ASME. SMASIS2016, Volume 1: Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring, V001T01A018, September 28–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2016-9208
https://doi.org/10.1115/SMASIS2016-9208
View Paper titled, Application of Auxetic Polymeric Structures for Body Protection
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Topics: Absorption, Adaptive structures, Biomedicine, Bullets, Design, Finite element analysis, Fittings, Fracture toughness, Honeycomb structures, Hooke's law
Proceedings Papers

Enhancement of an Optimization-Based Damage Detection Technique

Chulho Yang, Young Bae Chang, Jongsung Sa, Junyoung Park
Proc. ASME. IMECE2015, Volume 4B: Dynamics, Vibration, and Control, V04BT04A030, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-52775
https://doi.org/10.1115/IMECE2015-52775
View Paper titled, Enhancement of an Optimization-Based Damage Detection Technique
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Topics: Damage, Optimization, Finite element model, Noise (Sound), Structural health monitoring, Robustness, Signals, Vibration, Damping, Errors
Proceedings Papers

Robustness and Efficiency of an Optimization-Based Damage Detection Technique

Chulho Yang, Douglas E. Adams
Proc. ASME. IDETC-CIE2014, Volume 8: 26th Conference on Mechanical Vibration and Noise, V008T11A007, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35602
https://doi.org/10.1115/DETC2014-35602
View Paper titled, Robustness and Efficiency of an Optimization-Based Damage Detection Technique
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Topics: Damage, Optimization, Robustness, Optimization algorithms, Design, Frequency response, Sensitivity analysis, Structural dynamics
Proceedings Papers

Identification of Multiple Damages in a Structure Using Embedded Sensitivity Functions and Optimization Techniques

Chulho Yang, Douglas E. Adams
Proc. ASME. IMECE2011, Volume 7: Dynamic Systems and Control; Mechatronics and Intelligent Machines, Parts A and B, 927-934, November 11–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2011-62277
https://doi.org/10.1115/IMECE2011-62277
View Paper titled, Identification of Multiple Damages in a Structure Using Embedded Sensitivity Functions and Optimization Techniques
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Topics: Damage, Optimization, Stiffness, Damping, Degrees of freedom, Finite element analysis, Frequency response, Optimization algorithms
Proceedings Papers

Prediction of Changes in System Vibration Response Using Empirical Sensitivity Functions

Chulho Yang, Douglas E. Adams
Proc. ASME. IMECE2010, Volume 13: Sound, Vibration and Design, 149-155, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-37165
https://doi.org/10.1115/IMECE2010-37165
View Paper titled, Prediction of Changes in System Vibration Response Using Empirical Sensitivity Functions
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Topics: Vibration, Design, Stiffness, Damping, Degrees of freedom, Engineering prototypes, Engineers, Finite element analysis, Noise (Sound), Resonance
Journal Articles

Predicting Changes in Vibration Behavior With Respect to Multiple Variables Using Empirical Sensitivity Functions

Chulho Yang, Douglas E. Adams
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. December 2010, 132(6): 061004.
https://doi.org/10.1115/1.4001843
Published Online: September 16, 2010
View Article titled, Predicting Changes in Vibration Behavior With Respect to Multiple Variables Using Empirical Sensitivity Functions
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Topics: Damping, Design, Stiffness, Vibration, Frequency response, Finite element analysis, Automobiles, Degrees of freedom
Journal Articles

System Identification of Nonlinear Mechanical Systems Using Embedded Sensitivity Functions

Chulho Yang, Douglas E. Adams, Sam Ciray
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. December 2005, 127(6): 530–541.
https://doi.org/10.1115/1.2110815
Published Online: February 18, 2005
View Article titled, System Identification of Nonlinear Mechanical Systems Using Embedded Sensitivity Functions
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Topics: Damping, Degrees of freedom, Excitation, Exhaust systems, Nonlinear systems, Stiffness, Frequency response, Vibration, Sensitivity analysis, Inverse problems
Journal Articles

Investigation of Strain Hardening in NiAl Single Crystals Using Three-Dimensional FEA Models

Chulho Yang, Graduate Student, Ashok V. Kumar, Assistant Professor
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2001, 123(1): 20–27.
https://doi.org/10.1115/1.1286158
Published Online: December 18, 1999
View Article titled, Investigation of Strain Hardening in NiAl Single Crystals Using Three-Dimensional FEA Models
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Topics: Crystals, Deformation, Finite element analysis, Hardening, Stress, Work hardening, Shear (Mechanics), Flow (Dynamics), Simulation
Journal Articles

Investigation of Localized Deformation in NiAl Single Crystals

Ashok V. Kumar, Chulho Yang, Vijay B. R. Seelam
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. July 1998, 120(3): 206–211.
https://doi.org/10.1115/1.2812344
Published Online: July 1, 1998
View Article titled, Investigation of Localized Deformation in NiAl Single Crystals
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Topics: Crystals, Deformation, Computer simulation, Finite element analysis, Hardening, Shear (Mechanics)