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최문규,Youngjin Choi 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.54 No.6
The present study is an extension of former research where a double-layer (TiO2 /SiO2) microsphere was irradiated by using monochromatic unpolarized plane light. The effect of the shell thickness on the blueshift is primarily investigated in this paper. For a common size (500 nm radius) of a core-shell sphere, various core sizes were chosen to make the shell layer have different thicknesses. With five pre-determined shell thicknesses, we could find the wavelength positions where light absorption should take place. We also demonstrate that the locations of the light intensity fluctuations, i.e., the wavelengths of light absorption, move to smaller values (the blue side). Specifically, numerical calculations show that the absorption wavelengths changed from 580 nm to 463 nm as the shell layer thickness was changed from 250 nm to 50 nm. This may be the cause of the light absorption at the smaller wavelength, which is called the blueshift. The blueshift demonstrated numerically in this investigation has been already seen in many experiments done by other groups.
지진해일 전파특성을 고려한 실용적인 분산보정 기법의 적용 - 속초항
최문규,이욱한,이성재,조용식,Choi. Moon-Kyu,Lee. Uk-Han,Lee. Sung-Jae,Cho. Yong-Sik 한국방재학회 2008 한국방재학회 학술발표대회논문집 Vol.2008 No.1
Pratical dispersion-correction scheme is applicated to simulate the distant propagation of tsunami. This scheme is based on the leap-frog finite difference scheme for the linear shallow-water equations. The new scheme has the advantage of using the constant spatial grid size and time step size even in area of variable depths. And this new model constructed by using the 2nd upwind scheme, dynamic linking method, and staggered grid system. This model is simulated to near Sokcho harbor about The Central East Sea Tsunami in 1983. And this result is compared to tide gage and result of former model.
지진해일 해석을 위한 실용적인 기법의 적용 - 부산 신항만 지역
최문규,조용식,Choi,Moon-Kyu,Cho,Yong-Sik 한국방재학회 2007 한국방재학회 학술발표대회논문집 Vol.2007 No.1
In this study, new dispersion-correction terms are added to leap-frog finite difference scheme for the linear shallow-water equations with the purpose of considering the dispersion effects of the linear Boussinesq equations for the propagation of tsunamis. The new model is applied to near Gadeok island in Pusan about The Central East Sea Tsunami in 1983 and The Hokkaldo Nansei Oki Earthquake Tsunami in 1993 one simulated in the study.
지진해일 전파 수치해석을 위한 실용적인 분산보정기법 적용
최문규,하태민,조용식,Choi, Moon-Kyu,Ha, Tae-Min,Cho, Yong-Sik 한국방재학회 2008 한국방재학회논문집 Vol.8 No.4
지진해일의 초기 파장은 수십에서 수백 킬로미터에 이른다. 따라서 보다 정확한 지진해일 전파 수치모의를 위해 파장의 크기에 따라 중요성이 변하는 분산효과를 고려하여야 한다. 최근에 분산효과를 고려할 수 있는 실용적인 분산보정기법이 개발되었다(Cho 등, 2007). 분산보정기법은 일정 수심에서 해석해와 비교함으로서 검증되었다. 하지만 아직 수심이 변화하는 실제지형에 적용이 되지 않았다. 본 연구에서는 개발된 모형의 실제 지형에서의 적용성을 검토하였다. 모형의 적용성 검토를 위해 역사 지진해일인 1983 동해 중부 지진해일과 1993 북해도 남서 외해 지진해일을 재현하였다. 대상 지역은 당시 검조기록이 존재하는 속초, 묵호, 포항항이고 지진해일 첫 파 도착시간과 검조소 위치에서의 최대 파고를 비교함으로서 적용성을 검토하였다. The initial wave lengths of tsunamis can be several tens to hundreds kilometers. Thus, the importance of the frequency dispersive effects in proportion to variation of the wave length, and should be properly considered in numerical simulation of tsunami propagation for a better accuracy. Recently, a practical dispersion-correction scheme has been developed by adding dispersion-correction terms(Cho et al., 2007). The new model employing the numerical technique has been verified by comparing numerical results with available analytic solutions, however, the new model has not yet been applied on a real topography. In this study, the new model is applied on a real topography and its applicability is examined. To study the applicability of the new model, two historical tsunami events are simulated for Sokcho, Mukho and Pohang harbors, with the tide gage records. Numerical results, the arrival time and the maximum water level at the tidal stations, are compared with observed data at each harbor.
체질(體質)에 따른 혈중(血中) 성분(成分)의 차이(差異)에 관(關)한 실험적(實驗的) 고찰(考察)
최문규,Choi, Moon-Kyu 대한한방내과학회 1992 大韓韓方內科學會誌 Vol.13 No.2
Comparative blook analysis was carried out to investigate the difference of blood constituent in four types of physical constitution. Isoleucine(Ile), Alanine(Ala), Cysteine(Cys), Tyrosine(Tyr), Methionine(Met) were measured. And the following results were obtained: 1. The value of Isoleucine(Ile) on the constitution didn't shown significant difference, but between the value of SO-YANG-IN and SO-EUM-IN showed significant difference. 2. The value of Alanine(Ala) on the constitution didn't shown significant difference. 3. The value of Cysteine(Cys) on the constitution didn't shown significant difference, but between the value of SO-YANG-IN and SO-EUM-IN showed significant difference. 4. Between the value of control group and SO-YANG-IN showed significant difference, and between the value of SO-YANG-IN and TAE-EUM-IN, SO-YANG-IN and SO-EUM-IN showed significant difference. 5. Between the value of control group and SO-YANG-IN showed significant difference.
"범속한 각성", "이미지공간/몸공간" -초현실주의와 발터 벤야민
최문규 ( Moon Gyoo Choi ) 한국독일언어문학회(구 독일언어문학연구회) 2011 독일언어문학 Vol.0 No.53
Walter Benjamins Essay "Der Surrealismus - Die letzte Momentaufnahme der europaischen Intelligenz"(1929) gilt als eine seiner wichtigsten Schriften, in der 냐 sich seine Wendung zur marxistischen Literaturtheorie ankundigt. Zusammen mit Dadaismus und Futurismus gehort der Surrealismus bekanntlich zur Avantgarde, die sich durch die Manifestation der Anti-Kunst von der burgerlichen Tradition der Kunst verabschieden will. Wie Brechts positive Rezeption des Expressionismus versucht Benjamin im Essay, surrealistische Kunst und marxistische Politik miteinander zu verbinden. Durch die positive Aneignung des Surrealismus unterscheidet Benjamin sich von anderen zeitgenossischen Marxisten, denen die avantgardistische Kunst spielerisch, pervers, krankhaft etc. erscheint. Benjamin versucht, vielseitige Aspekte des Surrealismus zu analysieren. Dies zeigt sich in der ratselhaften Begriffskombination wie "profane Erleuchtung", "dichterisches Leben", "Bildraum/Leibraum". Seine Analyse entfaltet sich interessanterweise zweigleisig. Einerseits orientiert sie sich an den grundsatzlichen Aspekten des Surrealismus, die vor allem nach einer Verbindung von Bewußtsein und Traum, Objekt und Zufall, Alltag und Mystik suchen. Durch die hermeneutische Arbeit am Surrealismus negiert Benjamin andererseits sowohl die Lebensordnung des Burgertums als auch die damalige Situation der Marxisten, die seit dem Gotharer Programm(1875) der Sozialdemokratischen Arbeiterpartei mit optimistischen Gefuhlen fur eine Entwicklung der Geschichte getrankt sind. Als Alternative hierzu rekurriert er auf Bakunin, den radikalsten Theoretiker der anarchistischen Bewegung. Diesen halt er fur eine metaphorische Figur des surrealistischen Vorlaufers, in der Kunst und Politik, Rausch und Revolution miteinander verbunden sein sollen was auch durch den Begriff "Bildraum/ Leibraum" suggeriert wird.