http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
충만 디스크의 면내 진동 해석을 위한 1차원 환상 평판 요소
곽동희(Kwak, Dong-Hee),임정기(Lim, Jung-Ki),김창부(Kim, Chang-Boo) 한국소음진동공학회 2009 한국소음진동공학회 논문집 Vol.19 No.12
We present a one-dimensional annular plate element with which the in-plane vibration of full disks can be analyzed efficiently and accurately by using the FEM. Its elementary mass matrix and stiffness matrix are derived, respectively, from the virtual work by effective forces and the virtual strain energy. The static deformation modes obtained from an integration of the differential equilibrium equations of the annular plate are used as interpolation functions of the one-dimensional annular plate element. The in-plane natural vibration characteristics of a 2-step full disk and a uniform full disk are analysed. Its results are compared with the results obtained by utilizing two-dimensional 8-node quadrilateral plane elements and cyclic symmetry of the disk. And also, by comparing with the theoretical results of previous researchers, the efficiency and accuracy of the presented element are verified.
유한요소법을 이용한 계단 형상 디스크의 면내 고유진동 해석
김창부(Kim Chang-Boo),곽동희(Kwak Dong-Hee),임정기(Lim Jungki) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.11월
We analyze the in-plane natural vibration of a stepped disk by the FEM using 1-dimensional annular plate element of which the elementary mass matrix and stiffness matrix are derived, respectively, from the virtual work by effective forces and the virtual strain energy by using the static deformation modes obtained from an integration of the differential equilibrium equations of the annular plate element as interpolation functions. The in-plane natural vibration characteristics of a full disk of two-step thickness are analysed. By comparing its results with the results obtained by utilizing 2-dimensional 8-node quadrilateral plane elements and cyclic symmetry of the disk, the efficiency and accuracy of the 1-dimensional annular plate element are verified.