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朴喜椿 西原大學校 1982 西原大學 論文集 Vol.11 No.-
Korea Buddhist Temple Bells are attached with 36 horns and horn Cylinder, and those angular frequencies are distributed in 1000 - 6000 c/s. The frequency spectrum of Korea Temple bell is in accordance with the continuous changes of the angular frequencies, and its spectrum distribution is 4-8 lines above the minimum level of 40 dB. Next, the differential equation results are fig. 3. Finally, the calculated results by the computer and the experimental results are fig. 1.
朴喜椿 西原大學校 1991 西原大學 論文集 Vol.27 No.-
A computational study of finite element method for the solution of two dimensional diffusion equation is subject to Crank-Nicolson methode. The analysis of water-polution model is determind by solving a to dimensinal diffusion equation and finite element structure.
LIOUVILLE 미분 방정식의 경계치 문제에 관한 연구
朴喜椿 西原大學校 1988 西原大學 論文集 Vol.21 No.-
The resear cher tries to find out the solution of the Louvill's differential equation based on the law of Ragular-falsi and Rung-Kutta and fur thermore tries to do so by taking anwantage of the combinede law of Newton-rapson and Runge-Kutta. As a result the very highly pricise value can be obtained.
朴喜椿 서원대학교 응용과학연구소 1994 응용과학연구 Vol.3 No.1
A computational study of finite element method for the solution of dispersion of pollutants equation is subject to Crank-Nicolson method. The analysis of turbulent flow is determined by solving a two-dimensional dispersion equation and finite element structure. The concentration of Air-Pollution in the Tunnel is larger than concentration water-pollution in the river.
朴喜椿 西原大學校 1981 西原大學 論文集 Vol.10 No.-
This paper describes the method of tuning of Korean temple bells. Ordinarily, the characteristic frequency of the special bell is related to the thickness of bell, center of gravity and its ratio of element. I have investigated the dependency of characteristic frequency, Hwang Jong frequency and the thickness of bell. The results have shown that the characteristic frequency of Korean temple bells is three times the number of Hwang Jong qerfuency and the relations of the thickness of bell are found that. f=C????×10?C/S.
朴喜椿 西原大學校 1985 西原大學 論文集 Vol.15 No.-
A computational study of boundary element methodes for the solution of Laplace defferential equation is subject to general linear and separated boundary conditions. In this methode, the approximate solution is determind by solving a system of linear algebraic equations with an boundary element structure. In this paper I describe a methode for approximately solution on a fixed bounded block(0<x<2, 0<y<5).
朴喜椿 西原大學校 1983 西原大學 論文集 Vol.12 No.-
This paper described about the frequencies of Buddhist temple hells and it's Sound Spectrum. In its experiment I measured the characteristic frequencies and its Sound Spectrum by Using Cassette tape recorder. Sound and Vibration analyzer, frequency Counter, receiver, dualtracer ossiloscope and Wave analyzer. I analyzed them by Using Simple rigression analysis. I obtaind the angular frequency out of the measured characteristic frequencies and made up the Spectrum diagram. As a result of this experience. I found out that While decibel and Height per Radius increased. Height and Radius decreased with the increase of the frequencies.