• 한국정보통신학회:학술대회논문집
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• 한국해양정보통신학회 2005년도 추계종합학술대회
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• pp.1053-1057
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• 2005

현재 IETF (Internet Engineering Task Force)의 SHIM6 (Site Multihoming by IPv6 Intermediation) 워킹그룹에서는 Network layer Shim (L3shim)이라는 새로운 IPv6 스택을 정의하여IPv6 환경에서 멀티호밍을 지원하는 방법에 대해 표준을 제정하고 있다. 이 Multihoming은 redundancy, load sharing과 같은 멀티호밍 장점을 지원할 수 있다. 본 논문은 이와 같이 새롭게 정의된 L3shim이 단말에 있을 경우, 단말에서 효과적인 Policy 정책을 통한 load sharing 및 balancing 통한 traffic engineering 방법을 제시한다. 현재 SHIM6 워킹그룹에서는 L3shim을 이용한 load balancing 부분은 다루고 있지 않다. 그러나 멀티호밍의 장점 줌 하나는load balancing이며 실제 load balancing이 지원 됐을 경우 응용 차원에서 많은 장점을 가질 것으로 여겨진다. 따라서 이와 관련한 메커니즘이 필요하며, 이를 위한 선행적인 연구가 필요로 되어진다.

• 고전문학과교육
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• 제33호
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• pp.185-210
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• 2016

이 연구는 잡극 <심청왕후전>과 시나리오 <효녀 심청전>을 대상으로 하여 근대 시기에 최초로 이루어진 <심청전>의 극적 변용 양상을 살펴보고자 하였다. 이 두 작품에서 드러나는 개작 의식과 변용의 방향을 분석함으로써 1900년대 당시 <심청전> 향유의 기반을 알 수 있었다. 잡극과 영화시나리오로 만들어진 판소리문학 <심청전>은 근대라는 새로운 문화적 요구에 부응하면서 대중적 향유가 가능한 작품으로 만들고자 한 시도라 할 수 있다. 잡극 <심청왕후전>에서는 기존의 <심청전>에 대해 서사 전개의 논리적 인과성을 강화하고, 해학성은 약화하면서 초현실성은 부각하며, 노래를 통해 극적 표현을 시도하였다. 시나리오 <효녀 심청전>은 기존 <심청전>에는 없던 새로운 서사를 삽입하여 인물을 재창조하고, 이를 통해 해학성과 비극적 애상감이라는 양방향을 동시에 구현하고자 하였으며, 시간과 사건을 재배치하여 새로움을 추구하였다. 잡극 <심청왕후전>과 시나리오 <효녀 심청전>은 <심청전> 전승사에 있어서 최초의 극 양식으로의 변용과 시나리오로의 변용이라는 의의를 지니고 있다. 이들 작품은 판소리문학 <심청전>이 근대라는 새로운 문화에 적응한 모습을 보여주며, 시대를 달리하면서도 어떤 가치를 인정받고 지속적으로 향유되었는지를 말해준다.

• 한국멀티미디어학회논문지
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• 제18권12호
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• pp.1578-1585
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• 2015

This study aimed to develop and propose a Korean character group with the story of Shim Cheong applied as a motif. By borrowing the four stories (a dream of the birth of a child, filial behavior, regeneration and eyesight-gaining) presented in the story of Shim Cheong which has been passed on orally, the study designed the Korean character group and set up types of characters' roles to visualize these other characters seen in the content such as Shim Cheong the heroine, goblins, a baby dragon, Mr. Shim the blind and others. As a next step, the study applied the types to the seven essential types of Vogler's original characters. A process of how to visualize the group of those characters appearing in the story including Shim Cheong the heroine was offered. In particular, the study concentrates on figuring out how to expand and develop the Shim Cheong character to be this image of one of the most popular Korean princess characters. What this study had discussed will contribute to the field of character production when they try to commercialize characters and develop Korean characters with unique Korean features included.

• 동의신경정신과학회지
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• 제29권3호
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• pp.165-181
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• 2018

Objectives: The purpose of this study is to use in therapy through considering representative oriental philosophical thought in terms of psychotherapy and Oriental medicine. Methods: This study examines psychotherapy and oriental aspects of "Diagram theory of InShimDoShim" that Yulgok, a Neo-Confucian scholar in the Joseon Dynasty, wrote about action of the mind and suggests ways to use it. Results and Conclusion: Diagram theory of InShimDoShim contains much content that can be applied in psychotherapy. It has a positive perspective of human nature and looked at life as realization of nature and life as subjective self-realization. Positive and negative experiences of life are expressions of positive nature. By reinterpreting these experiences, humans contribute to the goal of life that expresses their nature in a healthy way. Yulgok defines a healthy mind capable of living a good life as "an inshim who listens to doshim's command". Therapists can adopt this mindset as the goal of psychotherapy. Yulgok said that the way of manifesting nature is only possible through energy, and that the clear and tidy of this temperament creates a healthy and unhealthy mind. In this part, it is possible to apply therapeutic intervention of the diagram theory of InShimDoShim and Oriental medicine. Oriental medicine can calm temperament by using a treatment method to regulate energy, and clear energy creates a healthy mind and body. The principle that the mind is composed of nature and energy provides a basis for psychosomatic medicine.

• Tribology and Lubricants
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• 제34권3호
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• pp.107-114
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• 2018

This paper presents a computational model of a gas foil journal bearing with shim foils between the top foil and bumps, and predicts its static and dynamic performance. The analysis takes the previously developed simple elastic foundation model for the top foil-bump structure and advances it by adding foil models for the "shim foil" and "outer top foil." The outer top foil is installed between the (inner) top foil and bumps, and the shim foil is installed between the inner top foil and outer top foil. Both the inner and outer top foils have an arc length of $360^{\circ}$, but the arc length of the shim foil is shorter, which causes a ramp near its leading edge in the bearing clearance profile. The Reynolds equation for isothermal and isoviscous ideal gas solves the hydrodynamic pressure that develops within the bearing clearance with preloads due to the ramp. The centerline pressure and film thickness predictions show that the shim foil mitigates the peak pressure occurring at the loading direction, and broadens the positive pressure as well as minimum film thickness zones except for the shortest shim foil arc length of $180^{\circ}$. In general, the shim foil decreases the journal eccentricity, and increases the power loss, direct stiffness, and damping coefficients. As the shim foil arc length increases, the journal eccentricity decreases while the attitude angle, minimum film thickness, and direct stiffness/damping coefficients in the horizontal direction increase.

• Journal of Electrical Engineering and information Science
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• 제2권6호
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• pp.95-105
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• 1997

In this paper, we have studied about design and fabrication of the actively shielded superconducting MRI magnet. Nonlinear optimization methods are usually used to find optimum coil configurations. However the selection of initial coil configurations is very difficult. In case bad initial data are used, it is even impossible to find optimum coil configurations which satisfy predefined constraints. We have developed computer optimization program which consists of two steps. Initial coil configurations are easily selected through linear optimization in the first step and optimum coil configurations are found through nonlinear optimization in the second step. We have also studied about superconducting shim coils to cancel error fields caused by coil fabrication errors. Many researchers published design concepts of shim coil. However all these studies are for shim coil design using filamentary coils with single turn, Shim coils with multi-turns should be used to produce enough field strength to cancel error fields. We have developed computer program for the design of shim coils which have proper thickness and length. An actively shielded superconducting MRI magnet with a small warm bore was fabricated and four sets of superconducting shim coils were equipped. The magnetic field distributions were measured and field correction was carried out using shim coils.

• Toxicological Research
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• 제12권2호
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• pp.295-303
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• 1996

Acute toxic effects of the Woo Whang Chung Shim Won suspension and pills were studied with the doses of 60, 74, 90, and 110 ml/kg in mice. In this study, we daily examined number of deaths, clinical signs, body weights, and pathological findings for 7 days after administration of Woo Whang Chung Shim Won. All mice given the highest dose (110ml/kg) died at 24 hour after administration of Sam-Sung Woo Whang Chung Shim Won suspension (Byunbang, SS-BS and Wonbang, SS-WS), one male and two female mice given 90 ml/kg dose of SS-BS died, and a few mice given middle dose (74 ml/kg) of SS-WS died. In control group (110 ml/kg) treated with vehicle (SS-BS and SS-WS), three out of 5 males and two out of 5 females mice died during the study. However, in animals treated with Kwang-Dong Woo Whang Chung Shim Won suspension (KD-S) and pill (KD-P), deaths were not observed. In the clinical signs, increase of drooling and decrease of spontaneous motor activities were observed in the highest dose group (110 ml/kg). No significant dose-related change in body weight was observed. The results suggest that the toxic effect of SS-BS and SS-WS may be atttributed to the solution for the Woo Whang Chung Shim Won suspension.

• 한국윤활학회:학술대회논문집
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• 한국윤활학회 1998년도 제27회 춘계학술대회
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• pp.115-123
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• 1998

A $Si_3N_4$ tappet shim was devdoped in a direct OHC engine for the friction reduction of valve train system that contributes significantly to the engine friction in real driving condition. For commercializing $Si_3N_4$ tappet shim, it is important to reduce the machining cost. Therefore we analytically and experimentally figure out the optimum condition. Using ceramic tappet shims machined with different surface roughness, the effects of roughness on the friction loss were analyzed in view of the lubrication behavior. From this results it is shown that the friction torque of valve train system quickly drops at a certain surface roughness of ceramic tappet shim and its value remains constant despite further smoothing.

• 한국초전도ㆍ저온공학회논문지
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• 제22권1호
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• pp.12-16
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• 2020

As high homogeneity in magnetic field is required to increase the resolution of MRI magnets, various shimming methods have been researched. Using one of them, the design of the superconducting active zonal shim coil for MRI magnets is discussed in this paper. The magnetic field of the MRI magnet is expressed as the sum of spherical harmonic terms, and the optimized current density of shim coils capable of removing higher-order terms is calculated by the Tikhonov regularization method. To investigate all potential designs derived from calculated current density, 4 sweeping parameters are selected: (1) axial length of shim coil zone; (2) radius of shim coils; (3) exact axial position of shim coils; and (4) operating current. After adequate designs are determined with constraints of critical current margin and homogeneity criterion, the total wire length required for each is calculated and the design with a minimum of them is chosen. Using the superconducting wire length of 9.77 km, the field homogeneity over 50 cm DSV is improved from 24 ppm to 1.87 ppm in the case study for 9.4 T whole-body MRI shimming. Finally, the results are compared with the finite element method (FEM) simulation results to validate the feasibility and accuracy of the design.

• Bulletin of the Korean Chemical Society
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• 제9권6호
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• pp.410-410
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• 1988