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유한차분법을 이용한 비등방성 복합적층판의 안정성에 관한 연구
백한솔,이상열,장석윤 서울시립대학교 산업기술연구소 1998 산업기술연구소논문집 Vol.6 No.1
The solution of anisotropic plates using classical methods is limited to relatively simple load and boundary conditions. If these conditions are more complex, the analysis becomes increasingly tedious and even impossible. For many plate problems of considerable practical interest analytic solutions to the governing differential equations cannot be found. Among the numerical techniques presently available, the finite difference method(FDM) is a powerful numerical method. The objective of this paper is to analyze stability of anisotropic composite laminated plates considering shear deformation. In applying numerical methods to slove differential equations of anisotropic plates, this study uses the finite difference methods. In determining the eigenvalue for unsymmetric system matrix by FDM, this paper uses the householder method in IMSL(International Mathematical Software Library). Several numerical examples show the effectiveness of this study and they will give a guide in deciding minimum buckling load and various mode shapes.