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박경일(K`I Park),임영진(YJ Lim),김종금(JK Kim) 대한산부인과학회 1979 Obstetrics & Gynecology Science Vol.22 No.4
저자들은 36세와 54세의 경산부에 발생한 과립막 포난종 2례를 경험하였기에 간단한 문헌고찰과 아울러 보고하는 바이다. Granulosa cell tumor is a very rare tumor of the ovary. Authors presented two cases of granulosa cell tumors of the ovary, and references were briefly reviewed.
박석주(Park S. C),제해광(Je H. K),이금주(Yi G. J),박영범(Park Y. B),박경일(Park K. I) 한국마린엔지니어링학회 2010 한국마린엔지니어링학회 학술대회 논문집 Vol.2010 No.10
A method for the identification of structural characteristic parameters of a steel bar in the matrices form such as stiffness matrices and mass matrices from frequency response function(FRF) by genetic algorithm is proposed. As the method is based on the finite element method(FEM), the obtained matrices have perfect physical meanings if the FRFs got from the analysis and the FRFs from the experiments were well coincident each other. The identified characteristic matrices from the FRFs with maximun 40% of random errors by the genetic algorithm are coincident with the characteristic matrices from exact FEM FRFs well each other.
박석주(Park, S.C.),제해광(Je, H.K.),이금주(Yi, G.J.),박영범(Park, Y.B.),박경일(Park, K.I.) 한국소음진동공학회 2010 한국소음진동공학회 논문집 Vol.20 No.10
A method for the identification of structural characteristic parameters of a steel bar in the matrices form such as stiffness matrices and mass matrices from frequency response function(FRF) by genetic algorithm is proposed. As the method is based on the finite element method(FEM), the obtained matrices have perfect physical meanings if the FRFs got from the analysis and the FRFs from the experiments were well coincident each other. The identified characteristic matrices from the FRFs with maximun 40 % of random errors by the genetic algorithm are coincident with the characteristic matrices from exact FEM FRFs well each other. The fitted element diameters by using only 2 points experimental FRFs are similar to the actual diameters of the bar. The fitted FRFs are good accordance with the experimental FRFs on the graphs. FRFs of the rest 9 points not used for calculating could be fitted even well.
장영철(YC Chang),정규수(KS Chung),박경일(K`I Park) 대한산부인과학회 1975 Obstetrics & Gynecology Science Vol.18 No.2
저자등은 임신 29주의 양수과다증 및 조산을 동반한 중량 659gm의 태반혈관종 2례를 경험하였기에 간단한 문헌고찰과 아울러 보고하는 바이다. A case report is made on the hemangioma of the placenta with hydramnionics and premature delivery in 22 years old woman, and the literature on the hemangioma is reviewed briefly.
임영진(YJ Lim),장영철(YC Chang),박경일(K`I Park) 대한산부인과학회 1977 Obstetrics & Gynecology Science Vol.20 No.7
저자등은 난소 갑상선종 1예를 경험하였기에 간단한 문헌고찰과 함께 보고하는 바이다. Struma ovarii is a very rare tumor of the ovary and has been noticed by numerous observers that teratomas contain thyroid tissue in approximately 3-7% of cases entirely of largely. We present a case of struma ovarii and review the literature concerning this tumir briefly.