214 補強された積層円筒殼の振動と振動最適化(機械力学)(オーガナイズドセッション(a)材料力学・材料強度に関する新展開)

概要

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This paper presents the free vibration analysis of stiffened, FRP laminated circular cylindrical shells by transfer matrix method. For this purpose, the governing equations for vibration of the shells are derived according to Classical Lamination Shell Theory, and the equations are written as a coupled set of first-order differential equations by using the transfer matrix of the stiffened shells. Once the transfer matrix has been determined by the numerical integration of the transfer matrix equation, the frequency equations are derived in terms of the elements of the matrix. The method is applied to stiffened laminated circular cylindrical shells and natural frequencies are calculated numerically. The effects of stiffener and stacking sequence on the vibration characteristics are also studied from the comparison of frequencies obtained for various shells with different stiffeners and stacking sequences.
一般社団法人日本機械学会の論文
2000-09-25