• Title/Summary/Keyword: Temporal boundary

Search Result 215, Processing Time 0.033 seconds

A Study of the Hybrid on the Fashion and Makeup Trends on the Digital Media Age (디지털 미디어 시대의 패션과 메이크업에 나타난 하이브리드 경향 연구)

  • Barng, Kee-Jung;Kim, Kyung-Hee
    • The Research Journal of the Costume Culture
    • /
    • v.18 no.1
    • /
    • pp.64-79
    • /
    • 2010
  • The digital era in the 21st century is globalized and is collapsed boundary among countries, thereby being able to be said to be characterized most largely by proceeding with being a form like a federation and EU. A change into digital era brought about a change in all the aspects of human behavior and culture, not a change simply in temporal significance and technological significance. In recent days, all the services came to be possibly used the integrated device with the same network owing to innovation of communication technology, which is represented by digital, network, and internet. Now, the broadcasting industry, computer industry, and communication industry are exceeding the peculiar sphere by being mutually merged. Each of industrial sector centering on internet is showing the phenomenon of being united. The hybrid trend, which was formed by phenomenon in the complex digital media society, tended to be indicated in fashion and makeup design. As the digital media era was generated, the hybrid trend induced a change into society in open and horizontal idea. It came to be known that there is independent trend in each field even while organically working in the middle of the whole frame that fashion and makeup express a human being's external beauty. This implies that makeup is not what is always influenced by fashion as an accessory in fashion and a supplementary role, but what can show its contrary phenomenon. This study examined characteristics, which are shown in fashion and makeup due to hybrid influence with greeting the digital media era. This study was carried out in order to be conducive to objective data available for giving help to the future direction and marketing data in product of the relevant businesses, through the results of this study.

Second order Temporal Finite Element Methods in Linear Elasticity through the Mixed Convolved Action Principle (혼합 합성 변분이론에 근거한 선형탄성시스템의 이차 시간 유한요소해석법)

  • Kim, Jinkyu
    • Journal of the Computational Structural Engineering Institute of Korea
    • /
    • v.27 no.3
    • /
    • pp.173-182
    • /
    • 2014
  • The mixed convolved action principle provides a new rigorous weak variational formalism for a broad range of initial boundary value problems in mathematical physics and mechanics in terms of mixed formulation, convolution, and fractional calculus. In this paper, its potential in the development of numerical methods for transient problems in various dynamical systems when adopting temporally second order approximation is investigated. For this, the classical single-degree-of-freedom linear elastic dynamical systems are primarily considered to investigate computational characteristics of the developed algorithms. For the undamped system, all the developed algorithms are symplectic with respect to the time step. For the damped system, they are shown to be accurate with good convergence characteristics.

A Review on the Photochemical Oxidant Modeling as Applied to Air Quality Studies in Complex Terrain

  • Lee Hwa-Woon;Kim Yoo-Keun;Won Gyeong-Mee;Park Jong-Kil
    • Environmental Sciences Bulletin of The Korean Environmental Sciences Society
    • /
    • v.1 no.1
    • /
    • pp.19-33
    • /
    • 1997
  • The high oxidants, which occur the daily maximum concentrations in the afternoon, are transported into the other region via long range transport mechanisms or trapped within the shallow mixing boundary layer and then removed physically (deposition, transport by mountain wind, etc.) and chemically (reaction with local sources). Therefore, modeling formation of photochemical oxidants requires a complex description of both chemical and meteorological processes. In this study, as a part of air quality studies, we reviewed various aspects of photochemical modeling on the basis of currently available literature. The result of the review shows that the model is based on a set of coupled continuity equations describing advection, diffusion, transport, deposition, chemistry, emission. Also photochemical oxidant models require a large amount of input data concerned with all aspects of the ozone life cycle. First, emission inventories of hydrocarbon and nitrogen oxides, with appropriate spatial and temporal resolution. Second, chemical and photochemical data allowing the quantitative description of the formation of ozone and other photochemically-generated secondary pollutants. Third, dry deposition mechanisms particularly for ozone, PAN and hydrogen peroxide to account for their removal by absorption on the ground, crops, natural vegetation, man-made and water surfaces. Finally, meteorological data describing the transport of primary pollutants away from their sources and of secondary pollutants towards the sensitive receptors where environmental damage may occur. In order to improve our present study, shortcomings and limitation of existing models are pointed out and verification process through observation is emphasized.

  • PDF

Study on the single bubble growth at saturated pool boiling (포화상태 풀비등시 단일기포의 성장에 관한 연구)

  • Kim, Jeong-Bae;Lee, Han-Choon;Oh, Byung-Do;Kim, Moo-Hwan
    • Proceedings of the KSME Conference
    • /
    • 2004.04a
    • /
    • pp.1933-1938
    • /
    • 2004
  • Nucleate boiling experiments with constant wall temperature of heating surface were performed using R113 for almost saturated pool boiling conditions. A microscale heater array and Wheatstone bridge circuits were used to maintain a constant wall temperature condition and to measure the heat flow rate with high temporal and spatial resolutions. Bubble images during the bubble growth were taken as 5000 frames a sec using a high-speed CCD camera synchronized with the heat flow rate measurements. The geometry of the bubble during growth time could be obtained from the captured bubble images. The bubble growth behavior was analyzed using the new dimensionless parameters for each growth regions to permit comparisons with previous results at the same scale. We found that the new dimensionless parameters can describe the whole growth region as initial and later respectively. The comparisons showed good agreement in the initial and thermal growth regions. The required heat flow rate for the volume change of the observed bubble was estimated to be larger than the instantaneous heat flow rate measured at the wall. Heat, which is different from the instantaneous heat supplied through the heating wall, can be estimated as being transferred through the interface between bubble and liquid even with saturated pool conditions. This phenomenon under a saturated pool condition needs to be analyzed and the data from this study can supply the good experimental data with the precise boundary condition (constant wall temperature).

  • PDF

Overexpression of ginseng UGT72AL1 causes organ fusion in the axillary leaf branch of Arabidopsis

  • Nguyen, Ngoc Quy;Lee, Ok Ran
    • Journal of Ginseng Research
    • /
    • v.41 no.3
    • /
    • pp.419-427
    • /
    • 2017
  • Background: Glycosylation of natural compounds increases the diversity of secondary metabolites. Glycosylation steps are implicated not only in plant growth and development, but also in plant defense responses. Although the activities of uridine-dependent glycosyltransferases (UGTs) have long been recognized, and genes encoding them in several higher plants have been identified, the specific functions of UGTs in planta remain largely unknown. Methods: Spatial and temporal patterns of gene expression were analyzed by quantitative reverse transcription (qRT)-polymerase chain reaction (PCR) and GUS histochemical assay. In planta transformation in heterologous Arabidopsis was generated by floral dipping using Agrobacterium tumefaciens (C58C1). Protein localization was analyzed by confocal microscopy via fluorescent protein tagging. Results: PgUGT72AL1 was highly expressed in the rhizome, upper root, and youngest leaf compared with the other organs. GUS staining of the promoter: GUS fusion revealed high expression in different organs, including axillary leaf branch. Overexpression of PgUGT72AL1 resulted in a fused organ in the axillary leaf branch. Conclusion: PgUGT72AL1, which is phylogenetically close to PgUGT71A27, is involved in the production of ginsenoside compound K. Considering that compound K is not reported in raw ginseng material, further characterization of this gene may shed light on the biological function of ginsenosides in ginseng plant growth and development. The organ fusion phenotype could be caused by the defective growth of cells in the boundary region, commonly regulated by phytohormones such as auxins or brassinosteroids, and requires further analysis.

A Study on Make-up Design with Application of Genre Deconstruction in Hybrid(Ver. 2) (하이브리드의 탈 장르화를 응용한 메이크업 디자인에 관한 연구(제 2보))

  • Barng, Kee-Jung;Kim, Kyung-Hee
    • Journal of Fashion Business
    • /
    • v.16 no.2
    • /
    • pp.88-107
    • /
    • 2012
  • Hybrid implies that elements in more than two are combined, and is what is merged and used complexly the technologies and materials in several fields according to the development in scientific technology and the progress in technology. In the formative and artistic aspect, the hybrid can be said to be phenomenon that two of mutually different genres are combined. The function and form in each genre, which were combined at this time, are remained wholly or partially, thereby revealing as well without hiding a fact of having been combined. In the digital communication era, the same time level was integrated into one culture, with destroying the temporal·spatial boundary. As for the objectives of this study, first, the aim is to suggest a model for researching into make-up by grasping the developmental process and the characteristics of hybrid art through considering an art theory of hybrid, which was shown in make-up. Second, the aim is to design make-up by analyzing trend by make-up style after applying the genre deconstruction in hybrid. The modern make-up design through genre-deconstruction characteristics beyond diverse plurality and genre could be known to be highlighted as aesthetic characteristic by a slight attempt as communication of open space, which connects culture and genre, which had failed to be recognized and was neglected. Through the results of this study, it could be known that there is infinite possibility in developing make-up design in line with modern sensation through aesthetic element and symbolic significance through genre deconstruction. Based on these findings, its significance can be said to be in substantially contributing to offering new sight to the design & formative characteristic and the expression mode in future make-up, to providing basic data, and to strengthening competitive edge of culture and art.

The Nature of Historical Time and Place as Cultural Contents and Their Potential as Tourist Resources : Focused on the Case of Seoul (역사적 시간과 장소의 문화콘텐츠적 성격과 관광자원화 -서울을 사례로-)

  • Lee, Hyeon-Goon
    • Journal of the Korean association of regional geographers
    • /
    • v.12 no.3
    • /
    • pp.408-420
    • /
    • 2006
  • The present study purposed to examine the possibility of developing historicity inherent in places into tourism resources from the view that the history and location of historical cities have the nature of cultural contents. Previous researches on tourism have been focused on tourist facilities, the development of tourist attractions, economic effects, cultural policies, etc. However, the present study makes a cultural approach to historical cities to explore the meaning of places formed through history and the historicity of places, assuming that the temporal and spatial characteristics of Hanseong-bu can be developed into tourism resources. Major places of Hanseong-bu are classified according to their functions and cultural meanings, and these factors are associated with the geographical structure of the area. By landform and cultural characteristics during the Chosun Dynasty, Hanseong-bu is divided into the central part, the boundary area, and the outskirts. In addition, different elements, which can be developed into tourism resources, are found according to the landscape of Hanseong-bu, the character as a dynastic city, the environs inside the wall, and differences among localities reflecting pre-modem lifestyle.

  • PDF

Velocity Field Estimation using Karman Vortex Images (칼만 와류(渦流) 영상을 이용한 속도장 추정)

  • Kim, Hyeong-kwon;Kim, Jin-woo
    • Journal of the Korea Institute of Information and Communication Engineering
    • /
    • v.22 no.10
    • /
    • pp.1327-1333
    • /
    • 2018
  • Numerical analysis has the advantage that no actual flow pathways need to be formulated, making this technique especially useful for simulation analysis such as pathway design. However, it does require that the complete physical parameters of the fluid and the complete boundary conditions be known. If any of them are unknown, either the calculation will become impossible, or even if the calculation does converge, the reliability of the result will be low. Therefore, a means of more accurate acquisition of flow information is required. In this paper, we present techniques for estimating flow field from a constraint equation for image information and velocity field, based on the image intensity changes accompanying the motion of dye in waterway. In the equation, we entered a stabilizing term to suppress estimation error. We show the effectiveness of our method through experiments with generated and real images of a Karman vortex.

ELECTRICAL RESISTANCE IMAGING OF TWO-PHASE FLOW WITH A MESH GROUPING TECHNIQUE BASED ON PARTICLE SWARM OPTIMIZATION

  • Lee, Bo An;Kim, Bong Seok;Ko, Min Seok;Kim, Kyung Youn;Kim, Sin
    • Nuclear Engineering and Technology
    • /
    • v.46 no.1
    • /
    • pp.109-116
    • /
    • 2014
  • An electrical resistance tomography (ERT) technique combining the particle swarm optimization (PSO) algorithm with the Gauss-Newton method is applied to the visualization of two-phase flows. In the ERT, the electrical conductivity distribution, namely the conductivity values of pixels (numerical meshes) comprising the domain in the context of a numerical image reconstruction algorithm, is estimated with the known injected currents through the electrodes attached on the domain boundary and the measured potentials on those electrodes. In spite of many favorable characteristics of ERT such as no radiation, low cost, and high temporal resolution compared to other tomography techniques, one of the major drawbacks of ERT is low spatial resolution due to the inherent ill-posedness of conventional image reconstruction algorithms. In fact, the number of known data is much less than that of the unknowns (meshes). Recalling that binary mixtures like two-phase flows consist of only two substances with distinct electrical conductivities, this work adopts the PSO algorithm for mesh grouping to reduce the number of unknowns. In order to verify the enhanced performance of the proposed method, several numerical tests are performed. The comparison between the proposed algorithm and conventional Gauss-Newton method shows significant improvements in the quality of reconstructed images.

Predictability of Temperature over South Korea in PNU CGCM and WRF Hindcast (PNU CGCM과 WRF를 이용한 남한 지역 기온 예측성 검증)

  • Ahn, Joong-Bae;Shim, Kyo-Moon;Jung, Myung-Pyo;Jeong, Ha-Gyu;Kim, Young-Hyun;Kim, Eung-Sup
    • Atmosphere
    • /
    • v.28 no.4
    • /
    • pp.479-490
    • /
    • 2018
  • This study assesses the prediction skill of regional scale model for the mean temperature anomaly over South Korea produced by Pusan National University Coupled General Circulation Model (PNU CGCM)-Weather Research and Forecasting (WRF) chain. The initial and boundary conditions of WRF are derived from PNU CGCM. The hindcast period is 11 years from 2007 to 2017. The model's prediction skill of mean temperature anomaly is evaluated in terms of the temporal correlation coefficient (TCC), root mean square error (RMSE) and skill scores which are Heidke skill score (HSS), hit rate (HR), false alarm rate (FAR). The predictions of WRF and PNU CGCM are overall similar to observation (OBS). However, TCC of WRF with OBS is higher than that of PNU CGCM and the variation of mean temperature is more comparable to OBS than that of PNU CGCM. The prediction skill of WRF is higher in March and April but lower in October to December. HSS is as high as above 0.25 and HR (FAR) is as high (low) as above (below) 0.35 in 2-month lead time. According to the spatial distribution of HSS, predictability is not concentrated in a specific region but homogeneously spread throughout the whole region of South Korea.