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Analytical p-version finite elements and application in analyses of structural collision protection

  • Zhu, B.;Chen, Y.M.;Leung, A.Y.T.
    • Structural Engineering and Mechanics
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    • v.23 no.5
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    • pp.487-504
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    • 2006
  • Several new versatile two-dimensional p-version finite elements are developed. The element matrices are integrated analytically to guarantee the accuracy and monotonic convergence of the predicted solutions of the proposed p-version elements. The analysis results show that the convergence rate of the present elements is very fast with respect to the number of additional Fourier or polynomial terms in shape functions, and their solutions are much more accurate than those of the linear finite elements for the same number of degrees of freedom. Additionally, the new p-version plate elements without the reduced integration can overcome the shear locking problem over the conventional h-version elements. Using the proposed p-version elements with fast convergent characteristic, the elasto-plastic impact of the structure attached with the absorber is simulated. Good agreement between the simulated and experimental results verifies the present p-version finite elements for the analyses of structural dynamic responses and the structural elasto-plastic impact. Further, using the elasto-plastic impact model and the p-version finite element method, the absorber of the T structure on the Qiantang River is designed for its collision protection.

A Study on How the Discourse on the Constitutional Symptoms and Diseases in "Donguisusebowon" Influenced the Formation of the Theory of Eight Constitution ("동의수세보원(東醫壽世保元)"의 병증론이 8체질론(體質論)의 형성에 미친 영향에 대한 고찰(考察))

  • Jeung, Yong-Jae;Park, Seong-Sik
    • Journal of Sasang Constitutional Medicine
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    • v.23 no.4
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    • pp.445-457
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    • 2011
  • 1. Purpose Lee Je-Ma had continued to revise "Donguisusebowon" by adding the contents of the Symptomatic-pharmacology(病證藥理論) on Soeumin, Soyangin and Taeeumin to it from the first establishment of the old version in 1894 to 1900.(new version). This paper tries to find out the contents and meaning of the Discourse on the Constitutional Symptoms and Diseases(病證論) between the old version and new version and what the Discourse on the Constitutional Symptoms and Diseases affected the Theory of Eight Constitution created in subsequent years. 2. Methods I classified the Discourse on the Constitutional Symptoms and Diseases in "DongYiSuseBowon" into old version and new version and tried to find out the Theory of Eight morbidities(8病證論) which is the predecessor of the Theory of Eight Constitution, before reviewing their relation. 3. Conclusions 1) The Discourse on the Constitutional Symptoms and Diseases in the old version specify that the externally sensed diseases are caused by the deep sediment of nature(性) and that the internally touched diseases are caused by the violent activities of emotion(情). In addition, it said that all diseases are caused by the specific characteristics of patient's smaller internal organs(偏小之臟). But in new version, the diseases were understood through the concept Exterior, Interior, Heat and cold(表裏寒熱). The new version said that the diseases may be caused not only the specific characteristics of patient's smaller organs but also by bigger organs(偏大之臟). 2) The Theory of Eight Constitution was derived from the Theory of Eight morbidities, in which all kinds of human diseases are caused by 8 disease-orgin organ and that the diseases therefore can be classified into 8 morbidities. The Theory of Eight morbidities reorganized the Discourse on the Constitutional Symptoms and Diseases in "DongYiSuseBowon" by classifying them into first morbidity and second morbidity. 3) The Discourse on the Constitutional Symptoms and Diseases in "DongYiSuseBowon" has decisively affected the creation of the Theory of Eight morbidities which is the predecessor of the Theory of Eight Constitution. The Theory of Eight morbidities may be deemed another interpretation of the Discourse on the Constitutional Symptoms and Diseases in "DongYiSuseBowon". As the Theory of Eight morbidities put emphasis on the genetic characteristics, the Theory of Eight Constitution stating that Eight morbidities are caused by different specific constitution was derived.

Version Management of Business Processes Managed by BPM (BPM에서 관리되는 업무 프로세스의 버전관리)

  • Cho, Eunmi;Bae, Hyerim
    • Journal of Korean Institute of Industrial Engineers
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    • v.32 no.2
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    • pp.126-132
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    • 2006
  • Recently, business environments have been changing quickly. To establish competitive advantage, most enterprises have been using information systems such as Enterprise Resource Planning (ERP), Supply Chain Management (SCM) and Customer Relationship Management (CRM). Many consider Business Process Management (BPM) a new innovative solution for enterprise-wide processes. As the BPM system is used more widely and matures, new techniques and functions will be developed by commercial vendors. However, they mainly focus on correctly executing process models, and user convenience has not been considered. In this paper, we have developed a new method of designing business processes, which provides users with an easy modeling interface. The method is based on version management. Version management of a process enables a history of the process model to be recorded. In order to prevent wasted storage, not all of the process versions are stored. An initial version and changes to each process are stored by automatically detecting changes. Our method enhances the convenience of the modeling business processes and thus helps the process designer. A prototype system is presented to verify the effectiveness of our method.

Ontology Version Control for Web Document Search (웹문서 검색을 위한 온톨로지 버전 제어)

  • Kim, Byung Gon
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.9 no.3
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    • pp.39-48
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    • 2013
  • Ontology has an important role in semantic web to construct and query semantic data. When system make changes to ontologies, questions arise about versioning of these changes. Applying this changes on a dynamic environment is even more important. To apply these changes, change specification method is needed. Early studies show RDF-based syntax for the operations between old and new ontologies. When several ontology versions can be used for some query, if possible, using possible newest version ontology with prospective use is best way to process the query. Prospective use of ontology means using a newer version of an ontology with a data source that conforms to a more recent ontology. In this paper, for prospective use of ontology version, structure of change specification of class and property through several ontology versions is proposed. From this, efficient adaptive ontology version selection for a query can be possible. Algorithm for structure of version transition representation is proposed and simulation results show possible newest version number for queries.

Using Computer Simulation to Examine Financial Productivity of Merchandise Assortments

  • Kunz Grace I.
    • Fashion Information and Technology
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    • v.2
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    • pp.22-32
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    • 2005
  • Sourcing Simulator is specialized form of software capable of providing great insight into merchandising decision making. It is relatively easy to learn and operate by reading the help menus, experimenting with inputs, and critically analyzing outputs. 1 see that it has great potential in a training program for new merchandisers to help them absorb the complexity of the numbers they must effectively use. The Sourcing Simulator, Version 1 that accompanies my textbook, Merchandising: Theory Principles, and Practice, 2nd ed. is the least complex version available. Two versions are available from [TC]2 - Retail version and The Retail/ Manufacturing version. The Retail Version is very similar to the Version 1. The Retail/ Manufacturing Version includes analysis of processes and costs in the manufacturing process as well as the merchandise planning component that we have discussed here. Sourcing Simulator is developed at North Carolina State University by Dr. Russ King, and available from Textile Clothing Technology Corporation $[TC]^2$, Cary, North Carolina.

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Strategy for Contents Composition of Food Storytelling (음식 스토리텔링의 콘텐츠 구성 전략)

  • Song, Young-Ai
    • The Journal of the Korea Contents Association
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    • v.13 no.7
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    • pp.120-130
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    • 2013
  • This study attempts to deal with the form of new storytelling by contemplating the study on food-related storytelling which has been studied in earnest since 2008 and analyzing the story. In case of the study on storytelling so far, the studies on the emphasis of necessity of discovering materials and the suggest of the way of development of the menu and tourism commercialization through the story and the attitudes of customers by storytelling have been conducted. Also, this study is explained by being divided into version 1.0, 2.0, 3.0 depending on the composition of the story, and attempts to suggest new version 4.0 strategy of food storytelling which we should aim for in the future as well. This will provide the new paradigm of the field of food storytelling.

Advanced Finite Element Technology for Fracture Mechanics Analysis of Cracked Shells (균열된 쉘의 파괴역학해석을 위한 선진유한요소기법)

  • 우광성
    • Computational Structural Engineering
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    • v.4 no.2
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    • pp.77-85
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    • 1991
  • A new finite element technology based on the p-version of E.F.M. is discussed with reference to its potential for application to stress intensity factor computations in linear elastic fracture mechanics, especially cracked cylindrical shells. It is shown that the p-version model is far better suited for computing the stress intensity factors than the conventional h-version models with the help of three test problems. The main advantage of this technology is that the accuracy of approximation can be established without mesh refinement or the use of special procedures such as crack-tip element and mixed variational approach.

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Architecture Design for GNSS Correction Message Generating Module based on RTCM version 2.4 (RTCM 2.4 기반 GNSS 보정정보 메시지 생성 모듈의 아키텍처 설계)

  • Jang, Wonseok;Kim, Youngki;Seo, Kiyeol
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.19 no.10
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    • pp.2285-2291
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    • 2015
  • At present, available positioning satellites are not only the GPS, but also GLONASS, GALILEO, QZSS, BeiDou. However, the differential GPS, the augmentation service for increase the positioning accuracy, is follow the RTCM version 2.3 standard. So, it can service the correction information about only GPS. For solve this problem, RTCM is making the new version of RTCM message standard that can service the correction information for all of available GNSS. In South Korea, the software DGNSS RSIM system was installed at almost the whole DGNSS reference station. In this reason, that can cope with the new RTCM version 2.4 quickly. However, the DGNSS Reference Station based RSIM 1.3 can not make the GNSS's PRC simultaneously and can not support RTCM version 2.4. Thus, in this paper, the version of RTCM 2.4 is analyzed and the RTCM version 2.4 message generating module's architecture for software DGNSS reference station is designed.

Application of New Version of Flood Frequency Analysis (Bulletin 17C) (미국의 새로운 홍수빈도해석 가이드라인(Bulletin 17C)의 적용)

  • Lee, Taesam;England, John F.;Son, Chanyoung
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.37 no.1
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    • pp.247-253
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    • 2017
  • Accurate flood frequency and magnitude estimation has a critical role in flood risk management and damage reduction. In United States, Log Pearson Type-III (LP-III) distribution with method of moments for parameter estimation has been uniformly and consistently employed in estimating design floods. After the first version of flood frequency guidelines (Bulletin 15) was published in 1967, the revised version Bulletin 17B has been employed since 1982 up to now. A new version of flood frequency guidelines, Bulletin 17C, is prepared and about to come out soon. In the current study, we analyzed the new features of the upcoming Bulletin 17C and presented case studies applying its new features. From the presented results, we see what critical components in the new design flood frequency guideline we could learn.