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Vibration Analysis and Damping Prediction of Damped Composite Laminates by Using Multilayer Higher-Order-Deformable Finite Elements (1st Report, Finite Element Formulation and Applications to CFRP Laminates with Constrained Damping Layers)
多層・高次変形有限要素による積層制振材の振動・減衰特性解析 (第1報,有限要素定式化と拘束型CFRP積層制振はりへの適用)

Kohji SUZUKI, Kazuro KAGEYAMA, Isao KIMPARA, Kunio FUNAMI
2004 Transactions of the Japan Society of Mechanical Engineers Series C  

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Multilayer (ML) plate/shell finite elements (FEs) based on a versatile higher-order-deformable (HOD) theory are developed for free vibration analysis and damping prediction of damped composite laminates. The developed FEs allow one to arrange through-the-thickness degrees of freedom (DOF) by specifying the degrees of multilayer dicretization (ML, or Equivalent-Single-Layer: ESL) and deformation assumptions (First-Order-Shear-Deforable: FOSD, or HOD). By comparing the numerical results of the
more » ... sent FEs wih each other and the available experimental results, numerical accuracies of four different types of rough-the-thickness DOF arrangement, that is, ESL/FOSD, ESL/HOD, ML/FOSD and ML/HOD, are investigated for free vibrations of CFRP laminates with constrained viscoelastic damping layers.
doi:10.1299/kikaic.70.933 fatcat:kdbmfpjgqnavjj6se4bm6vslhq
lang:ja
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Kohji SUZUKI, Kazuro KAGEYAMA, Isao KIMPARA, Kunio FUNAMI. "Vibration Analysis and Damping Prediction of Damped Composite Laminates by Using Multilayer Higher-Order-Deformable Finite Elements (1st Report, Finite Element Formulation and Applications to CFRP Laminates with Constrained Damping Layers)." Transactions of the Japan Society of Mechanical Engineers Series C 70.692 (2004) 933-940