Numerical and experimental study on free vibration of 3D-printed polymeric functionally graded plates

Amirpour, M, Bickerton, S, Calius, E, Mace, B and Das, R 2018, 'Numerical and experimental study on free vibration of 3D-printed polymeric functionally graded plates', Composite Structures, vol. 189, pp. 192-205.


Document type: Journal Article
Collection: Journal Articles

Title Numerical and experimental study on free vibration of 3D-printed polymeric functionally graded plates
Author(s) Amirpour, M
Bickerton, S
Calius, E
Mace, B
Das, R
Year 2018
Journal name Composite Structures
Volume number 189
Start page 192
End page 205
Total pages 14
Publisher Elsevier
Abstract The paper presents the free vibration analysis of simply supported 3D printed polymeric functionally graded (FG) plates with variation of material stiffness and density along their length. The analytical formulation based on Higher- Order Shear Deformation Theory (HSDT) accounts for both the shear deformation and thickness stretching effect by a sinusoidal variation of the displacement field across the thickness. The problem is then modelled using the finite element (FE) method. The FE solutions are obtained using linear hexahedral solid elements with spatially graded property distribution at different Gauss points, which is implemented by a subroutine (USDFLD) in the ABAQUS FE software. In order to validate the proposed graded FE solutions, experimental tests using Portable Digital Vibrometer (PDV) performed to capture the first natural frequency of designed and manufactured 3D printed polymeric FG plates. It can be concluded that the presented analytical formulation is not only accurate, but also provides for simple prediction of the free vibration of FG plates. Also, the good agreement found between the numerical models and experimental results demonstrates the effectiveness of graded solid elements in the modelling of FG plate vibration.
Subject Polymers and Plastics
Dynamics, Vibration and Vibration Control
Solid Mechanics
Keyword(s) Functionally graded materials
Natural frequency
Portable Digital Vibrometer
USDFLD
DOI - identifier 10.1016/j.compstruct.2018.01.056
Copyright notice © 2018 Elsevier Ltd. All rights reserved.
ISSN 0263-8223
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