scholarly journals Vibro-acoustic optimisation of sandwich panels using the wave/finite element method

2016 ◽  
Vol 156 ◽  
pp. 108-114 ◽  
Author(s):  
C. Droz ◽  
Z. Zergoune ◽  
R. Boukadia ◽  
O. Bareille ◽  
M.N. Ichchou
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Sandwich Panels ◽  
Element Method

Buckling Analysis and Experiment of Fiber-Paper Honeycomb Sandwich Structure Composites

2011 ◽  
Vol 314-316 ◽  
pp. 566-570 ◽  
Author(s):  
Xiao Jun Yang ◽  
Qing Shan Lan ◽  
Yu Ning Zhong
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Composite Structures ◽  
Plate Theory ◽  
Sandwich Panels ◽  
Hexagonal Structure ◽  
Unit Cell ◽  
Honeycomb Sandwich ◽  
Paper Honeycomb ◽  
Element Method

The aim of this paper is to present a finite element method to predict buckling characteristics of paper honeycomb sandwich panels with composite skins under dynamic axial compression via ANSYS/LS-DYNA. First of all, some problems of the conventional method using honeycomb plate theory, sandwich laminboard theory and equivalent panel theory were pointed out. In order to develop an effective predicting method, by assuming appropriate periodic boundary condition on the edges, a simplified finite element model on hexagonal structure of a unit cell for sandwich panels was developed utilizing the 3D finite element method. The effective Young's modulus of the cellular wall was obtained from the result of the test on the honeycomb core. Several useful conclusions are drawn about the axial crushing of honeycomb sandwich composites and unit cell and can be used to guide the design of composite structures. The paper further attempts to explain numerical results are well consistent with the corresponding experimental ones.

scholarly journals Buckling analysis of members restrained by sandwich panels

2021 ◽  
Vol 54 (2) ◽  
pp. 96-116
Author(s):  
Markku Heinisuo
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Differential Equations ◽  
Fourth Order ◽  
Sandwich Panels ◽  
Buckling Analysis ◽  
Analytic Method ◽  
Finite Element Analyses ◽  
Elastic Range ◽  
Element Method

An analytic method is presented for the analysis of flexural restraint of members by sandwich panels. Using the method, which is based on the solutions of the fourth order differential equations, the restraint effect of sandwich panels can be approximated in practical cases. The reliability of the method is shown based on tests and finite element analyses. New results are shown using the analytic method for buckling cases and for P-δ analysis in the elastic range. The exact finite element method (FEM) formulation is given for more complicated cases.

Simulation of tuning graphene plasmonic behaviors by ferroelectric domains for self-driven infrared photodetector applications

Nanoscale ◽  
2019 ◽  
Vol 11 (43) ◽  
pp. 20868-20875 ◽  
Author(s):  
Junxiong Guo ◽  
Yu Liu ◽  
Yuan Lin ◽  
Yu Tian ◽  
Jinxing Zhang ◽  
...  
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Interfacial Effect ◽  
Infrared Photodetector ◽  
The Finite Element Method ◽  
Ferroelectric Domains ◽  
Element Method

We propose a graphene plasmonic infrared photodetector tuned by ferroelectric domains and investigate the interfacial effect using the finite element method.

Contact modelling by the finite element method : Application to the piezoelectric motor

1999 ◽  
Vol 09 (PR9) ◽  
pp. Pr9-217-Pr9-226
Author(s):  
H. Ouazzani Touhami ◽  
J. C. Debus ◽  
L. Buchaillot
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Piezoelectric Motor ◽  
The Finite Element Method ◽  
Contact Modelling ◽  
Element Method
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