Dynamic stability of a structurally damped delaminated beam using higher order theory
type: Item
instance of: scholarly article
title: Dynamic stability of a structurally damped delaminated beam using higher order theory
zbMATH Open document ID: 1426.74166
DOI: 10.1155/2018/2674813
author: Tamás Pölöskei
author: András Szekrényes
published in: Mathematical Problems in Engineering
publication date: 2019-02-08T00:00:00Z
review text: Summary: The static and dynamic stability of the composite beam with a single delamination are investigated using the Timoshenko beam theory. The mechanical model is discretized using the finite element method and the equation of motion is obtained using Hamilton's principle. The coefficients of the mass and stiffness matrix for the damping matrix are determined using experimental modal analysis. The effect of harmonic excitation on the dynamic stability of a single delaminated composite beam is investigated using Bolotin's harmonic balance method. The stability boundaries of the damped and undamped system are compared for different static load values and delamination lengths on the excitation frequency-excitation force amplitude parameter field.
Mathematics Subject Classification ID: 74H55
Mathematics Subject Classification ID: 74K10
Mathematics Subject Classification ID: 74S05
zbMATH DE Number: 7018684
MaRDI profile type: Publication
full work available at URL: https://doi.org/10.1155/2018/2674813
OpenAlex ID: W2806175337
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description: scientific article; zbMATH DE number 7018684