• Journal of Korea Game Society
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• v.20 no.6
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• pp.23-30
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• 2020

There are many cases in the game. So, Game have to learn a lot. This paper uses reinforcement learning to improve the learning speed. However, because reinforcement learning has many cases, it slows down early in learning. So, the speed of learning was improved by using the minimax algorithm. In order to compare the improved performance, a Gonu game was produced and tested. As for the experimental results, the win rate was high, but the result of a tie occurred. The game tree was further explored using progressive deepening to reduce tie cases and win rate has improved by about 75%.

• Archives of Plastic Surgery
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• v.37 no.3
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• pp.313-316
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• 2010

Purpose: Tie-over dressing is widely used to secure skin grafting on face, body, or extremities. It can be a rather complicated task and is not easy to make compressive dressing again if performed in a conventional method. So, we hereby introduce an easy reproducible tie over dressing method. Methods: After completing the skin graft, Cut the silastic drainage longitudinally in half and spread to the grafted skin margin. Drainage is fixed by using the stapes or sutures. A fluffy gauze bolus dressing is placed over a furacin impregnated gauze and wrapped around. After suturing the distal margin of silastics with opposite side using the silk thread either 5 - 0 or 3 - 0, knot of suturing, which is pressed down against the dressing while the threads are tightened, is made into center of each sides. Results: It can make dressing again after observing the grafted skin, and it can also make pressure on the grafted area evenly until the grafted skin is taken. Conclusion: This dressing method makes the surgeons and patients comfortable. To surgeons, it provides more rapid and easier way to do dressing, and to patients, it eliminates pain caused by redressing.

• Journal of the Korean Society of Costume
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• v.58 no.7
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• pp.151-163
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• 2008

This study was undertaken to design Ginyeo's character and costume in the early-middle Goryeo Dynasty which had a few relics, and to make practical cultural contents. The famous Goryeo Ginyeos who had real names are costume characters. Goryeo women dressed in delicate white ramie jarket in "Goryeo-dokyung", and the shape of Jacket can be two kinds: long-wide jacket enough to tie a belt, and long caftan cover the knee. Goryeo women enjoyed wide yellow skirt, but Ginyeo in "Dongguk-isanggutjip" put on pink, flower, pomegranate, red skirt for high class ladies. In the case of Mong-su(a head cloth with black gauze train), it is thought that Ginyeo fold up train like lower class or just hang down like ordinary women, because of their status. As underwear, a ramie jacket and wide underpants were set up. It is needed that many Golden bells and jade trinkets must be attached to Goryeo Ginyeo's waist to stress their characteristics. Ginyeo's hair style can be designed so that a bunch of right hair was dropped down and the rest hair was rolled on reft shoulder. To design a Ginyeo's costume chatacter of the early-middle Goryeo, the richness of wide skirt, delicacy of white ramie, a great deal of trinkets must be emphasized correctly as a characteristic of Goryeo women's costume in that period.

• Advances in Computational Design
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• v.4 no.3
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• pp.251-272
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• 2019

This study performed lateral load testing on seventeen wood wall frames in two sections. Section one included eight tests studying structural foam sheathing of shear walls subjected to monotonic loads following the ASTM E564 test method. In this section, the wood frame was sheathed with four different types of structural foam sheathing on one side and gypsum wallboard (GWB) on the opposite side of the wall frame, with Simpson HDQ8 hold down anchors at the terminal studs. Section two included nine tests studying wall constructed with oriented strand board (OSB) only on one side of the wall frame subjected to gradually applied monotonic loads. Three of the OSB walls were tied to the baseplate with Simpson LSTA 9 tie on each stud. From the test results for Section one; the monotonic tests showed an 11 to 27 percent reduction in capacity from the published design values and for Section two; doubling baseplates, reducing anchor bolt spacing, using bearing plate washers and LSTA 9 ties effectively improved the OSB wall capacity. In comparison of sections one and two, it is expected the walls with structural foam sheathing without hold downs and GWB have a lower wall capacity as hold down and GWB improved the capacity.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.12 no.2
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• pp.158-160
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• 2001

Ankyloglossia is the presence of a lingual frenulum, which can range from a mucous membrane band to a short and thick band and, in extreme cases, to fusion of the tongue to the floor of the mouth. The effects of such a condition, in addition to speech defects and occasionally restriction of sucking, including dental deformities, such as open bite, or even prognathism. Treatment is surgical. The preferred treatment is horizontal sectioning of the frenulum down to the lingual septum and then suturing of the mucosa. The main problem after the healing of surgical wound is adhesion and contracture. Adhesion restrict the movement of tongue like tongue-tie. Z-plasty at the site of incision can solve this problem by changing the direction of scar. We have experienced a patient with ankyloglossia with speech defect, who underwent frenuloomy by Z-plasty. So we present a surgical treatment of Ankyloglossia using Z-plasty and discuss the treatment with a review of literature.

• Journal of Ocean Engineering and Technology
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• v.1 no.1
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• pp.39-48
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• 1987

지금까지 건조된 jacket 중에서 가장 큰 것으로 알려진 미국 Exxon사의 Harmony jacket 이 현재 현대 중공업에 의해 제작되고 있다. Harmony jacket은 제작완료 후 울산으로부터 미국 California서안의 Santaynez해역으로 운송될 예정인데, 이와 같이 긴 해상운송시에 jacket과 seafasening 부재들은 피로에 의하여 상당히 손상을 입을 수 있다. 본 연구에서는 두가지의 가능한 운송항로에 대해, jacket과 tie-down 부재가 받는 피로에 의한 손상정도를 계산하고 그 결과를 비교 하였다. 몇 가지 가정하에 행하여진 해석 결과에 따르면, 피로에 의한 손상을 적게 주는 운송항로는 Hawaii를 경유하는 남쪽할로이며, 운송 barge와 인접하는 부분, 특히 barge 양단 부근의 jacket joint들이 손상을 받기 쉽다는 것을 알 수 있다.

• Journal of the Korean Society of Safety
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• v.32 no.3
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• pp.54-59
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• 2017

This paper presents an efficient finite analysis model and a simulation-based reliability analysis method for stowage device system failure of a container crane with respect to lateral load. A quasi-static analysis model is introduced to simulate the nonlinear resistance characteristics and failure of tie-down and stowage pin, which are the main structural stowage devices of a crane. As a reliability analysis method, a subset simulation method is applied considering the uncertainties of later load and mechanical characteristic parameters of stowage devices. An efficient Markov chain Monte Carlo (MCMC) method is applied to sample random variables. Analysis result shows that the proposed model is able to estimate the probability of failure of crane system effectively which cannot be calculated practically by crude Monte Carlo simulation method.

• Proceedings of the Korean Society of Marine Engineers Conference
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• 2005.06a
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• pp.326-330
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• 2005

Aircraft composite structure with honeycomb core experiences core crush problem in manufacturing. To prevent core crush additional processes are needed such as core stabilization and prepreg material tie-down and this is the cause of increasing cost. Recent study shows that high friction prepreg prevent core crush without additional process. This paper presents the analysis of high frictional material which attracts lots of interests through physical property, mechanical property and microscopic

• Journal of Aerospace System Engineering
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• v.8 no.2
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• pp.33-39
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• 2014

Feathering spindle is one of the critical parts of the rotor system in the Smart Unmanned Aerial Vehicle(SUAV) that it was manufactured with special material, Maraging C300. During the initial ground and tie-down flight tests of the SUAV, surface of the feathering spindle contacting to the needle-roller bearings showed excessive wear and dent due to high vibrating loads transferred from the rotating blades. Gas nitriding process was applied to the bearing contact surface of the feathering spindle to increase surface hardness so as to improve the surface defects. This paper briefly presents the gas nitriding process adopted and the spindle quality improvements including wear and corrosion resistance.

• Proceedings of the Korean Society For Composite Materials Conference
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• 2004.04a
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• pp.270-274
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• 2004

Aircraft composite structure with honeycomb core experiences core crush problem in manufacturing. To prevent core crush additional processes are needed such as core stabilization and prepreg material tie-down and this is the cause of increasing cost. Recent study shows that high friction prepreg prevent core crush without additional process. This paper presents the analysis of high frictional material which attracts lots of interests through physical property, mechanical property and microscopic morphology and the cause of friction.