Journal
COMPOSITES PART B-ENGINEERING
Volume 110, Issue -, Pages 185-192Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2016.11.028
Keywords
Plates; Layered structures; Vibration; Differential quadrature method; Hierarchical finite element method
Funding
- National Natural Science Foundation of China [11402015, 11372021, 11172028]
- Fundamental Research Funds for the Central Universities
- specialized research fund for the doctoral program of higher education [20131102110039]
- FCT-Fundacao para a Ciencia e a Tecnologia to Project [PTDC/EMS-PRO/2044/2012, SFRH/BPD/99591/2014]
- Fundação para a Ciência e a Tecnologia [PTDC/EMS-PRO/2044/2012, SFRH/BPD/99591/2014] Funding Source: FCT
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In this paper we present a layerwise differential quadrature hierarchical finite element (DQHFE) model for the analysis of sandwich laminated plates with a viscoelastic core and laminated anisotropic face layers. The stiffness and mass matrices of elements are obtained by Carrera's Unified Formulation (CUF). The dynamic problem is solved in the frequency domain with viscoelastic frequency-dependent material properties for the core. The dynamic behavior of the model is compared with solutions found in literature. The DQHFE model was shown to be able to present highly accurate results using much less degrees of freedom than low order schemes like the finite element method. (C) 2016 Elsevier Ltd. All rights reserved.
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