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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...
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Jinkwan Son, Taegyeong Kang, Minjung Park, Minjae Kong and Hyun-Sug Choi
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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...
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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...
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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...
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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...
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Ho-Jun Yoo, Hyoseob Kim, Tae-Soon Kang, Ki-Hyun Kim, Ki-Young Bang, Jong-Beom Kim and Moon-Sang Park
Coastal erosion is caused by various factors, such as harbor development along coastal areas and climate change. Erosion has been accelerated recently due to sea level rises, increased occurrence of swells, and higher-power storm waves. Proper understand...
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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...
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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...
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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...
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