• Korean Architects
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• no.5 s.421
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• pp.86-90
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• 2004

세계화의 진전으로 사실상 국가간 장벽이 없어짐에 따라, 전문직 자격에 있어서도 각국이 공통으로 적용할 수 있는 국제적 기준이 필요하게 되었고, 이에 따라 UIA는 건축사자격에 대한 국제 기준이랄 수 있는 '건축실무에 있어서의 전문성에 관한 국제기준 권장안(UIA Accord on Recommended International Standards for Professionalism in Architectural Practice, 1999)'을 발표하였다. 때마침 WTO에 의한 전문서비스분야의 시장개방문화와 함께 우리나라의 건축사제도에도 일대 변혁이 불가피하게 된 것이다. 이에 우리 협회에서는 현안에 대한 신속한 대처를 위하여 UIA와의 관계정립이 필요하다는 판단하에 UIA 회원단체로서의 가입을 추진하는 한편, 구체적인 대안마련을 위한 연구를 진행하여 '건축사자격 상호인정에 따른 대응방안(1999.9)'을 발표하였고, '한중일 건축사협의회'를 설립, 3국의 공동대처방안을 모색하는 등 지속적인 노력을 기울여 왔다. 협회 뿐만 아니라 학회를 중심으로 한 건축학교과과정의 모델연구, 건교부와 건축3단체가 참여한 '건축사자격제도 개선방안에 대한 대응방안연구(2002.12)'등을 통하여 이미 5년이상의 건축학 교육과정이 신설되었고, 건축교육인증을 위한 인증원 설립준비가 진행되고 있다. 이러한 변화는 비단 세계화 혹은 무역자유화라는 현안에 대한 대응의 필요성 뿐 아니라 궁극적으로는 우리나라 건축교육의 질을 높이고 국제기준과 동등한 건축사제도를 갖춤으로써 건축사의 자질을 향상시켜 국제경쟁력을 강화하고자 하는데 목적이 있다 하겠다. 나라마다 건축사제도의 성립 과정과 배경이 다르지만, 대부분의 나라에서 건축사제도는 건축사단체에 의하여 운영되고 있다. 우리 협회도 최근에 진행되고 있는 인증원 설립을 위한 연구에 적극적으로 참여하여 주도적 역할을 담당하고 있기에, 관련 내용을 소개하여 회원여러분의 이해를 돕고자 한다.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.16 no.1
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• pp.853-859
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• 2015

1-DOF shear building was designed, built and tested to investigate the interactions between the shear building and the shaking table excited harmonically by the electro-magnetic forces. In the experiments horizontal accelerations of the shaking table and the shear building were measured. To understand the experimental results experimental setting was modeled as an unconstrained 2-DOF system under the hormonic forces. The responses of the shear building and the shaking table of the unconstrained 2-DOF system were found with the equations of motions. The magnification factors of the table and the shear building with respect to the amplitude of the harmonic forces and the transmission of the shear building with respect to the table excitations were found and compared with the experimental results.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.13 no.9
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• pp.3835-3840
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• 2012

Nanoimprint lithography (NIL) is an emerging technology enabling cost-effective and high-throughput nanofabrication. Recently a lot of research for the nanoimprint have been carried out, but almost are about merely experimental result relating to the material operation and the imprint fabrication, and numerical analysis relating to the understanding of the imprint process with R&D level. In this paper, the viscoelasticity analysis model is developed using the finite element method. With this model, the filling process and residual layer formation in nanoimprint are analyzed, which is evaluated by a nanoimprint experiment.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.36 no.4
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• pp.645-650
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• 2016

In this study, we conducted a numerical simulation using Navier-Stokes Solver (HYMO-WASS-3D) in order to analyze wave attenuation under wave-current interaction found in existing hydraulic experiments. It showed that wave energy and wave height are reduced as the wave propagates in coexisting fields between waves and currents. And the wave attenuation became more serious as the velocity of current and thus turbulence intensity were increased at wave-current coexisting field. As well, the wave attenuation became more serious with lower wave height and shorter period when the wave propagates the same distance under interactions between waves and currents.

• Journal of the Korean School Mathematics Society
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• v.9 no.3
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• pp.265-286
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• 2006

Given that less attention has been paid to teachers than students in mathematics education, this study attempted to provide theoretical foundations to understand better mathematics teacher learning and teaching practice in transition. First, this paper summarized three conceptions of teacher learning on the basis of the relationships of knowledge and practice followed by several implications to mathematics teacher education. Second, this paper provided a brief overview of cognition as situated, social, and distributed. This paper then explored new implications and issues about mathematics teacher learning that the overview brought to light. It is expected for teacher educators and researchers to participate in rich discussion of many implicit issues about teacher learning that this paper begins to raise.

• Transactions of the Korean Society of Mechanical Engineers A
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• v.35 no.1
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• pp.85-90
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• 2011

To maintain the safety and efficiency of railroad vehicles, it is important to understand the working of the brake system with anti-skid control unit (ASCU) for rolling stocks. In this paper, a HILS (Hardware In-the Loop Simulations) system with ASCU hardware (for logic) and a DSP board (for dynamics) is developed to analyze skidding of the Hanvit-200 train during the process of braking. Experimental results are presented for the case that the skid on one of the four wheels is artificially generated using a Simulink model. A convenient GUI is prepared using ControlDesk of dSPACE.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.42 no.7
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• pp.561-566
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• 2014

Our Korean traditional cultural inheritance Bangpae Kite has the stable rectangular shield shape decorated with artistic paint or poem and a good flight performance due to the central wind hole. In this paper, to analyse the wind hole effect to kite performance we performed the wind tunnel testing of the various design factor of kite model and air flow visualization passing through the wind hole. As the result of aerodynamic analysis, we knew that the wind hole of kite displays similar function of slot system for the wing high lift device. This fact demonstrates that our ancestor understood the function of slot system and applied effectively to the development of kite flight performance.

• Journal of Korea Society of Industrial Information Systems
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• v.23 no.3
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• pp.87-95
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• 2018

Recently, with the technological development of artificial intelligence, related market is expanding rapidly. In the artificial intelligence technology field, which is still in the early stage but still expanding, it is important to reduce uncertainty about research direction and investment field. Therefore, this study examined technology trends using text mining and topic modeling among big data analysis methods and suggested trends of core technology and future growth potential. We hope that the results of this study will provide researchers with an understanding of artificial intelligence technology trends and new implications for future research directions.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.31 no.8
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• pp.69-76
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• 2003

For stable combustion and safety of a structure of the propulsion system, a cooling system to the liquid rocket engine should be incorporated. In this study, Eulerian-Lagrangian scheme for two phase combustion, nongray radiation and soot formation effect, and film-wall interaction have been introduced to study the effect of film cooling. After briefly introducing the governing equation, combustion characteristics with change of wall temperature has been investigated by varying such parameters as fuel mass fraction for film cooling, diameter of the fuel droplet, overall mixture fraction of oxygen to fuel. Also, radiative heat flux is compared with the conductive one at the combustor wall.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.33 no.6
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• pp.8-14
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• 2005

Understanding of the flow past a bluff body close to a moving ground is very important in automobile and aeronautical fields because of aerodynamic characteristic and instability induced by unsteady vortex shedding. The passive control method that mounted the vertical and horizontal plates at the lower surface of the cylinder is studied to suppress the unsteady oscillation motion. When the grounds moves, the diminish of the shear layer on the ground promotes the interaction between the lower and the upper separated shear layers of the cylinder, hence vortex shedding occurs at the lower gap height than the stationary ground.