Chung‐Hyun Goh

ORCID: 0000-0001-6799-0107
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About
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Research Areas
  • Mechanical stress and fatigue analysis
  • Manufacturing Process and Optimization
  • Metallurgy and Material Forming
  • Metal and Thin Film Mechanics
  • Stroke Rehabilitation and Recovery
  • Electrical Contact Performance and Analysis
  • Prosthetics and Rehabilitation Robotics
  • Muscle activation and electromyography studies
  • Cerebral Palsy and Movement Disorders
  • Aluminum Alloys Composites Properties
  • Metal Forming Simulation Techniques
  • Spinal Cord Injury Research
  • Advanced Welding Techniques Analysis
  • Lower Extremity Biomechanics and Pathologies
  • Welding Techniques and Residual Stresses
  • Aluminum Alloy Microstructure Properties
  • Design Education and Practice
  • Microstructure and Mechanical Properties of Steels
  • Gear and Bearing Dynamics Analysis
  • Fatigue and fracture mechanics
  • Advanced machining processes and optimization
  • Product Development and Customization
  • AI-based Problem Solving and Planning
  • High Temperature Alloys and Creep
  • Inertial Sensor and Navigation

The University of Texas at Tyler
2016-2025

University of Oklahoma
2014-2018

Georgia Institute of Technology
2001-2006

Universiti of Malaysia Sabah
2006

10.1016/s0749-6419(02)00039-6 article EN International Journal of Plasticity 2002-10-30

The steel manufacturing process is characterized by the requirement of expeditious development high quality products at low cost through effective use available resources. Identifying solutions that meet conflicting commercially imperative goals such chains hard using traditional search techniques. complexity in a problem increases due to presence large number design variables, constraints and bounds, complex sequential relationships different stages manufacturing. A classic example rolling...

10.1115/1.4035555 article EN Journal of Mechanical Design 2016-12-26

Background Initial foot position (IFP) is one of the important movement strategies that influence neuromuscular and biomechanical control during sit-to-stand (STS) movements. Similarly, stand-to-sit (StandTS) vital in rehabilitation settings for evaluating strength balance descending Understanding how IFP impacts changes factors StandTS can provide valuable insights designing effective programs. Methods Twelve healthy young adults participated this study, examining three symmetric IFPs: (1)...

10.1371/journal.pone.0315738 article EN cc-by PLoS ONE 2025-02-14

Total hip arthroplasty (THA) is a widely performed procedure to restore function in patients with degenerative joint diseases. Traditional “press-fit” fixation methods rely on sufficient bone quality for stability, but additional screw often necessary suboptimal conditions. However, comprehensive studies utilizing predictive modeling optimize placement strategies THA remain limited. This study integrates finite element analysis (FEA) deep learning (DL) strategies, enhancing implant stability...

10.3390/app15073722 article EN cc-by Applied Sciences 2025-03-28

Background Stand-to-sit (StandTS) is an important daily activity widely used in rehabilitation settings to improve strength, postural stability, and mobility. Modifications movement smoothness speed significantly influence the kinematics, kinetics, muscle activation patterns of movement. Understanding impact StandTS on control can provide valuable insights for designing effective personalized training programs. Research question How do affect joint patterns, stability during StandTS? Methods...

10.3389/fnhum.2024.1399179 article EN cc-by Frontiers in Human Neuroscience 2024-05-09

Abstract In decision-based design, the principal role of a designer is to make decisions. Decision support crucial augment this role. paper, we present an ontology that provides decision from both “construct” and “information” perspectives address gap existing research focus on these two separately cannot provide effective support. The construct in compromise problem (cDSP) used multiobjective design information for making archived as cDSP templates represented using frame-based facilitating...

10.1017/s0890060416000378 article EN Artificial intelligence for engineering design analysis and manufacturing 2016-10-04

The steel manufacturing process is characterized by the requirement of expeditious development high quality products at low cost through effective and judicious use available resources. Identifying solutions that meet conflicting commercially imperative goals such chains hard using traditional search techniques. complexity embedded in a problem increases due to presence large number design variables, constraints bounds, complex sequential relationships different stages manufacturing. A...

10.1115/detc2016-59402 article EN 2016-08-21

The purpose of this study was to examine the effect a 12-week Wheelchair Tai Chi Ball (WTCB) intervention, combination mind-body exercise with strength training, on physical and mental health functional abilities among elderly disability. Twenty-six persons participated in study, nine WTCB group participants ten control completed study. practised WTCB12 twice/week for one hour each time. did their daily routine without intervention. outcomes measures were: Pain Self-Efficacy Questionnaire...

10.1080/15438627.2020.1777553 article EN Research in Sports Medicine 2020-06-16

In this paper, we explore the design space associated with realization of automobile steel gear blanks manufactured using hot forging. ABAQUS, a commercially available software package, is used to simulate forging process. Surrogate models are developed and model solution space. Then compromise Decision Support Problem (cDSP) feasible Results presented as ternary plots that allow designer visualize trade-offs between competing goals such reducing size underfill, flash (excess material),...

10.1115/detc2014-34197 article EN 2014-08-17

10.14445/23488360/ijme-v7i4p101 article EN cc-by-nc-nd International Journal of Mechanical Engineering 2020-04-25

Crouch gait is a motor complication commonly associated with cerebral palsy, spastic diplegia, stroke, and motor-neurological pathologies, broadly defined as knee flexion in excess of 20° the cycle. Uncorrected crouch results fatigue, joint degradation, loss ambulation. Torsion springs have been used cycling to store energy reduce fatigue quadriceps during extension. SolidWorks was design passive exoskeleton for knee, incorporating torsion stiffnesses 20,000 N/mm 30,000 at correct...

10.20944/preprints202205.0402.v1 preprint EN 2022-05-30

Partial paralysis caused by spinal cord injury (SCI) or stroke are two of the most prevalent forms physical disability. Through proper gait training, people with incomplete SCI have more potential to retain regain ability walk than those complete SCI. To help patients who these disabilities function walking unassisted, robotic training device (RWTD) has been developed perform rehabilitation. This research plays a pivotal role in advancing medical technology and rehabilitation conducting...

10.3390/app14010327 article EN cc-by Applied Sciences 2023-12-29

The role of microstructure is quite significant in fretting because the scale plastic strain localization near surface on order key features. A dual-phase Ti-6Al-4V alloy that tends to be susceptible considered as a model material. Fretting simulated using two-dimensional finite element analysis. crystal plasticity theory with planar triple slip idealization employed represent hexagonal close packed structure α phase Ti. Modifications system strengths enable multiple phases considered. In...

10.1115/1.2345414 article EN Journal of Tribology 2006-06-12

A transmission gear is generally produced by a sequence of several processes from steelmaking to final machining and surface treatment. The intermediate such as hot rolling induce microstructure evolution phase transformation which play significant role in determining the mechanical properties fatigue strength gears. Therefore, these should be carefully considered performance end product. In this paper, an integrated multiscale robust design approach using Inductive Design Exploration Method...

10.1115/detc2014-34157 article EN 2014-08-17

A method is proposed to explore the solution space of a metallurgical process with an aim foster material innovation through simulation based design. The efficacy demonstrated in context hot rolling AA5083 alloy. set-based design approach employed predict parameters operation for given set specified requirements. Critical such as strain rate, temperature, heat transfer coefficient and strip width are only considered study. Ternary plots constructed utilized obtained thereby identifying...

10.1115/detc2017-68173 article EN 2017-08-06

Patients who are suffering from neuromuscular disorders or injuries that impair motor control need to undergo rehabilitation regain mobility. Gait training is commonly prescribed patients muscle memory. Automated-walking devices were created aid this process; while these establish accurate ankle-path trajectories, the knee and hip movements inaccurate. In work, a redesign of leg assembly in multi-purpose robotic device (RoboREHAB) was explored improve hip- knee-movement accuracy by adding an...

10.3390/app14020516 article EN cc-by Applied Sciences 2024-01-06

Abstract As a patient gets older, the chances of sustaining motor disability increase. Such disabilities impair patient’s ability to perform daily activities and undergo rehabilitation regain mobility. Exoskeleton devices aqua therapy have been used make this process easier. However, most exoskeletons do not replicate natural gait pattern accurately there does exist lower-limb device that provides training with zero-gravity assistance. The objective for study is design two control systems...

10.1115/detc2024-143328 article EN 2024-08-25

Mind-body exercise and strength training are crucial for elderly with disability. In this project, we developed an innovative of Wheelchair Tai Chi Ball 12 forms (WTCB12), which combines mind-body PURPOSE: To examine the effect a 3-month WTCB12 intervention on physical mental health functional abilities among elderly. METHODS: Twenty-six participants from local senior living facility participated in 13 each group. Nine completed study WTCB group (age: 86.55+3.39 yrs; height: 1.69±0.17 m;...

10.1249/01.mss.0000563396.36093.71 article EN Medicine & Science in Sports & Exercise 2019-06-01

Crouch gait is a motor complication that commonly associated with cerebral palsy, spastic diplegia, stroke, and motor-neurological pathologies, broadly defined as knee flexion in excess of 20° the cycle. Uncorrected crouch results fatigue, joint degradation, loss ambulation. Torsion springs have been used cycling to store energy reduce fatigue quadriceps during extension. SolidWorks was design passive exoskeleton for knee, incorporating torsion stiffnesses 20,000 N/mm 30,000 at joint,...

10.3390/app12147034 article EN cc-by Applied Sciences 2022-07-12
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