Analysis of viscoelastic sandwich laminates using a unified formulation and a differential quadrature hierarchical finite element method

被引：47

作者：

Liu, Bo ^{[1
,2
]}

Zhao, Liang ^{[1
]}

Ferreira, A. J. M. ^{[2
]}

Xing, Y. F. ^{[1
]}

Neves, A. M. A. ^{[2
]}

Wang, Jiayi ^{[1
]}

机构：

[1] Beihang Univ, Solid Mech Res Ctr, Beijing 100191, Peoples R China

[2] Univ Porto, Fac Engn, Dept Engn Mecan, Rua Dr Roberto Frias, P-4200465 Oporto, Portugal

来源：

COMPOSITES PART B-ENGINEERING | 2017年 / 110卷

基金：

中国国家自然科学基金;

关键词：

Plates; Layered structures; Vibration; Differential quadrature method; Hierarchical finite element method; DATA APPROXIMATION SCHEME; VIBRATION ANALYSIS; PLATES; MODEL; DESIGN; MULTIQUADRICS; FREQUENCY; TORSION; BEAMS;

D O I：

10.1016/j.compositesb.2016.11.028

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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.

引用

页码：185 / 192

页数：8

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