|
|
|
|
|
Hyun-Ju Oh, Jung-Hoon Park and Hyung-Choon Park
Pile foundations are used to support superstructures and play an important role in the safety of these structures. The performance of pile foundations generally depends on the conditions of the pile itself and the material under the pile tip(i.e., bottom...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tae-Yong Park, Jae-Hyeon Park and Hyun-Ung Oh
Steinberg?s theory, which is based on the fatigue failure theory, has been widely used for predicting the structural safety of solder joints in aerospace electronic units under vibration during launches. However, theoretical limitations are encountered w...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jae-Hyeon Park, Sung-Woo Park, Jong-Pil Kim and Hyun-Ung Oh
A novel passive vibration-damping device is proposed and investigated for a large deployable solar array. One strategy for achieving high damping in a solar panel is using a yoke structure comprising a hyperelastic shape memory alloy and multiple viscous...
ver más
|
|
|
|
|
|
|
|
|
|
|
Young IL Park, Su-Hyun Park and Jeong-Hwan Kim
Ships and offshore structures are subjected to impact loads, such as slamming and sloshing. High impact pressures can cause permanent hull deformation by a single impact event. In addition, significant fatigue damage can be accumulated via repeated impac...
ver más
|
|
|
|
|
|
|
|
|
|
|
Seong Tak Woo, Cheol Woo Park, Ji Hyun Sung and Cheol-Min Park
The most common screening techniques to diagnose a patient?s illness are blood collection and intravenous procedures. To find a collection or injection site, conventional blood collection support tools, such as latex tubing and buckle-type tourniquets, a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hyun Joon Park, Min Seok Lee, Dong Il Park and Sung Won Han
|
|
|
|
|
|
|
|
|
|
|
Armi Kim, Hyun-Ji Park, Jin-Hyoung Park and Sung-Won Cho
The rapid increase in international trade volume has caused frequent fluctuation of the vessels? arrival time in container terminals. In order to solve this problem, this study proposes a methodology for rescheduling berth and quay cranes caused by updat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hyeonjin Cha, Jaeyoung Lee, Hee Ho Park and Ju Hyun Park
The generation of functional osteoblasts from human somatic cells could provide an alternative means of regenerative therapy for bone disorders such as osteoporosis. In this study, we demonstrated the direct phenotypic conversion of human dermal fibrobla...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ki-Chun Park, Van-Quang Nguyen, Jung-Hyun Kim, Duhee Park and Byoung-Han Choi
The settlement at the dam crest induced by earthquake loading is an important design parameter widely used to evaluate the seismic performance of dams. Two-dimensional nonlinear dynamic analyses were performed to calculate the dam crest settlement of ear...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hye Ah Lee, Su Hyun Park, Young Sun Hong, Eun Hee Ha and Hyesook Park
Previous evidence suggests the potential for adverse effects of persistent organic pollutants (POPs) on metabolic health even at low-dose exposure levels common among the general population, but there is less evidence of these associations among children...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ikjae Kim, Moosung Park, Hyun-Jin Lee, Jisoo Jang, Soojin Lee and Dongkyoo Shin
With the advancement of IT technology, intelligent devices such as autonomous vehicles, unmanned equipment, and drones are rapidly evolving. Consequently, the proliferation of defense systems based on these technologies is increasing worldwide. In respon...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jinkwan Son, Taegyeong Kang, Minjung Park, Minjae Kong and Hyun-Sug Choi
|
|
|
|
|
|
|
|
|
|
|
Chan-Hoo Kim, Ji-Hyun Choi and Sung-Young Park
Contaminated autonomous-driving sensors frequently malfunction, resulting in accidents; these sensors need regular cleaning. The autonomous-driving sensor-cleaning nozzle currently used is the windshield-washer nozzle; few studies have focused on the sen...
ver más
|
|
|
|
|
|
|
|
|
|
|
Seong Hyun Hong, Young Jin Kim, Soo Hyung Park, Sung Nam Jung and Ki Ro Kim
The air and structural loads of a 5-ton class light helicopter (LH) rotor in a 2.24 g pull-up maneuver are investigated using a coupling between the computational structural dynamics (CSD) and computational fluid dynamics (CFD) methods. The LH rotor is c...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sunhwa Park, Hyeonhee Choi, Deok-Hyun Kim and Hyun-Koo Kim
In this work, a method of simultaneously analyzing pesticide concentration and assessing its risks was developed. Assessments were conducted to evaluate the distribution characteristics and risks to human health of pesticides in shallow groundwater in ag...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jeong-Hwa Park, Kyu-Hwan Oh, Sang-Keun Oh, Hyun-Jae Seo and Boo-Sung Kang
In the field of waterproofing concrete structures, the use of self-adhesive waterproofing sheets has become a popular technique for ensuring long-term waterproofing performance. One important characteristic of such sheet materials is maintaining their st...
ver más
|
|
|
|
|
|
|
|
|
|
|
Beom-Joon Park and Hyun-Joon Chung
The growing trend of onboard computational autonomy has increased the need for self-reliant rovers (SRRs) with high efficiency for unmanned rover activities. Mobility is directly associated with a successful execution mission, thus fault response for act...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jae-Hyeon Park, Seong-Keun Jeong and Hyun-Ung Oh
A critical-strain-based methodology was proposed to overcome the theoretical limitations of Steinberg?s method, and its effectiveness was experimentally verified through fatigue tests of ball grid arrays, column grid arrays, and lead-type specimens on pr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sang Hyeop Park, Jinsung An, Agamemnon Koutsospyros and Deok Hyun Moon
Soil washing is a well-established remediation technology for treating soil contaminated with heavy metals. It involves the separation of contaminants from the soil using acidic washing agents. Nevertheless, the application of washing agents at high conc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pyae-Pyae Win, Hyun-Hwa Park and Yong-In Kuk
|
|
|
|
|
|