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신영재,전수주,윤종학,유영찬,Shin, Young Jae,Jaun, Su Ju,Yun, Jong Hak,Yoo, Yeong Chan 한국강구조학회 2006 韓國鋼構造學會 論文集 Vol.18 No.1
본 논문은 원형 판의 진동 해석에 미분변환법을 적용하였다. 계산된 수치적인 결과들은 이전의 연구결과들과 비교되었다. 그 결과를 기존의 연구 결과와 비교하여 미분변환법의 타당성을 검증하였고, 두께 형상과 경계조건 및 내경변화에 의한 고유진동수의 변화를 해석 및 고찰하였다. 유용성을 입증하였다. paper presents the results of the use of the differential transformation technique in analyzing the free vibration of circular plates.calculations were carried out and were compared with previously published results. The results that were obtained when this method was used coincide with the results of The present analysis shows the usefulness and validity of differential transformation in solving a solid-circular and annular-plate problem in terms of free-vibration responses.
신영재(Youngjea Shin),전수주(Suju Jaun),윤종학(Jonghak Yun) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper presented the application of the technique of differential transformation of free vibration of non-homogeneous damped beam. It is concerned with computing the eigenvalues of a continuous beam model with damping. The beam considered has different stiffness, damping and mass properties in each of two parts. The various boundary conditions are assumed at each end. The results obtained by the present method agree very well with those reported in the previous works. The present analysis shows the usefulness and validity of differential transformation in solving a non-homogeneous damped beam problem.