Transverse Vibration Analysis of Composite Plates with Multiple Distributed Composite Patches

Transverse vibration of rectangular composite plates with multiple distributed composite patches is analyzed in this paper. Because of the geometric discrepancy between the plate and patch, analytical solutions are usually hard to achieve. The present model is formulated by using the Rayleigh–Ritz m...

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Main Authors: Yan Guo, Yanan Jiang, Bin Huang, Ji Wang
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Shock and Vibration
Online Access:http://dx.doi.org/10.1155/2020/6618983
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author Yan Guo
Yanan Jiang
Bin Huang
Ji Wang
author_facet Yan Guo
Yanan Jiang
Bin Huang
Ji Wang
author_sort Yan Guo
collection DOAJ
description Transverse vibration of rectangular composite plates with multiple distributed composite patches is analyzed in this paper. Because of the geometric discrepancy between the plate and patch, analytical solutions are usually hard to achieve. The present model is formulated by using the Rayleigh–Ritz method and adopting various types of modal shape functions of uniform beam as admissible functions for different boundary conditions. The total system energies are calculated by adding the energies of the substrate plate and the energies of the patches. By imposing the displacement-matching condition at the patch domains, the coordinate systems of the substrate plate and patches are coupled. By means of the present method, it is very convenient and efficient to build the system governing equations and solve the eigenvalue problem. For the composite patches, they are also assumed to be symmetrically layered and have the same layer stacking sequence with the substrate laminate. The effects of layer stacking sequence, modulus ratio, aspect ratio, and boundary conditions on the natural frequencies are investigated and discussed. The results are also compared with the existed benchmark solutions and FEM solutions for validation. The numerical results demonstrate that the proposed approach is computationally very efficient and accurate and can be used as a tool to solve transverse vibration problems of composite plate with multiple composite patches.
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spelling doaj-art-30631b2ac7e4439b82ca7aea1eec77762025-02-03T01:03:56ZengWileyShock and Vibration1070-96221875-92032020-01-01202010.1155/2020/66189836618983Transverse Vibration Analysis of Composite Plates with Multiple Distributed Composite PatchesYan Guo0Yanan Jiang1Bin Huang2Ji Wang3College of Science & Technology, Ningbo University, Ningbo 315300, ChinaCollege of Science & Technology, Ningbo University, Ningbo 315300, ChinaKey Laboratory of Impact and Safety Engineering (Ningbo University), Ministry of Education, Ningbo 315211, ChinaPiezoelectric Device Laboratory, Faculty of Mechanical Engineering & Mechanics, Ningbo University, Ningbo 315211, ChinaTransverse vibration of rectangular composite plates with multiple distributed composite patches is analyzed in this paper. Because of the geometric discrepancy between the plate and patch, analytical solutions are usually hard to achieve. The present model is formulated by using the Rayleigh–Ritz method and adopting various types of modal shape functions of uniform beam as admissible functions for different boundary conditions. The total system energies are calculated by adding the energies of the substrate plate and the energies of the patches. By imposing the displacement-matching condition at the patch domains, the coordinate systems of the substrate plate and patches are coupled. By means of the present method, it is very convenient and efficient to build the system governing equations and solve the eigenvalue problem. For the composite patches, they are also assumed to be symmetrically layered and have the same layer stacking sequence with the substrate laminate. The effects of layer stacking sequence, modulus ratio, aspect ratio, and boundary conditions on the natural frequencies are investigated and discussed. The results are also compared with the existed benchmark solutions and FEM solutions for validation. The numerical results demonstrate that the proposed approach is computationally very efficient and accurate and can be used as a tool to solve transverse vibration problems of composite plate with multiple composite patches.http://dx.doi.org/10.1155/2020/6618983
spellingShingle Yan Guo
Yanan Jiang
Bin Huang
Ji Wang
Transverse Vibration Analysis of Composite Plates with Multiple Distributed Composite Patches
Shock and Vibration
title Transverse Vibration Analysis of Composite Plates with Multiple Distributed Composite Patches
title_full Transverse Vibration Analysis of Composite Plates with Multiple Distributed Composite Patches
title_fullStr Transverse Vibration Analysis of Composite Plates with Multiple Distributed Composite Patches
title_full_unstemmed Transverse Vibration Analysis of Composite Plates with Multiple Distributed Composite Patches
title_short Transverse Vibration Analysis of Composite Plates with Multiple Distributed Composite Patches
title_sort transverse vibration analysis of composite plates with multiple distributed composite patches
url http://dx.doi.org/10.1155/2020/6618983
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AT yananjiang transversevibrationanalysisofcompositeplateswithmultipledistributedcompositepatches
AT binhuang transversevibrationanalysisofcompositeplateswithmultipledistributedcompositepatches
AT jiwang transversevibrationanalysisofcompositeplateswithmultipledistributedcompositepatches