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Reseach Article

Young’s Modulus and Loss Factor Estimation of Sandwich Beam with Three Optimization Methods by FEM

by Key Fonseca De Lima, Nilson Barbieri, Renato Barbieri, Luiz C. Winniques
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 128 - Number 3
Year of Publication: 2015
Authors: Key Fonseca De Lima, Nilson Barbieri, Renato Barbieri, Luiz C. Winniques
10.5120/ijca2015906485

Key Fonseca De Lima, Nilson Barbieri, Renato Barbieri, Luiz C. Winniques . Young’s Modulus and Loss Factor Estimation of Sandwich Beam with Three Optimization Methods by FEM. International Journal of Computer Applications. 128, 3 ( October 2015), 35-43. DOI=10.5120/ijca2015906485

@article{ 10.5120/ijca2015906485,
author = { Key Fonseca De Lima, Nilson Barbieri, Renato Barbieri, Luiz C. Winniques },
title = { Young’s Modulus and Loss Factor Estimation of Sandwich Beam with Three Optimization Methods by FEM },
journal = { International Journal of Computer Applications },
issue_date = { October 2015 },
volume = { 128 },
number = { 3 },
month = { October },
year = { 2015 },
issn = { 0975-8887 },
pages = { 35-43 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume128/number3/22855-2015906485/ },
doi = { 10.5120/ijca2015906485 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T23:20:53.581970+05:30
%A Key Fonseca De Lima
%A Nilson Barbieri
%A Renato Barbieri
%A Luiz C. Winniques
%T Young’s Modulus and Loss Factor Estimation of Sandwich Beam with Three Optimization Methods by FEM
%J International Journal of Computer Applications
%@ 0975-8887
%V 128
%N 3
%P 35-43
%D 2015
%I Foundation of Computer Science (FCS), NY, USA
Abstract

This work aims to propose an inverse methodology for the physical properties identification of sandwich beams by measured flexural resonance frequencies. The physical parameters are the Young’s modulus and the loss factor. They are estimated for each one of materials that constitute the structure of the sandwich beam which is made with the association of Hot-rolled steel, Polyurethane Rigid Foam and High Impact Polystyrene. This kind of the sandwich beam are widely used for the assembly of household refrigerators and food freezers. The solutions are obtained with parametric optimization of physical parameters of the materials that forming the sandwich beam with three methods: Genetic Algorithms (GA), Differential Evolution (DE), and Particle Swarm Optimization (PSO). Furthermore, this work intend verify the quality of the solutions obtained with parametric optimization. The parameters are estimated using measured and numeric frequency response functions (FRFs). The mathematical model to verify numeric FRF is obtained using the Finite Element Method and the two-dimensional elasticity theory coupled to three optimization methods. The results of the optimizations show that it is possible to determine effectively the physical parameters of a sandwich beam with this methodology.

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Index Terms

Computer Science
Information Sciences

Keywords

Sandwich beam Optimization Young’s Modulus GA PSO DE.