Deflection Response of Structural Circular Sandwich Plates Subject to Uniform, Concentrated and Linearly Varying Load

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Ayotomiwa Salau
Ayotomiwa Salau
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Obanishola. M. Sadiq
Obanishola. M. Sadiq
α University of Lagos University of Lagos

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Deflection Response of Structural Circular Sandwich Plates Subject to Uniform, Concentrated and Linearly Varying Load

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Abstract

This research is based on the study of the deflection response of a structural circular sandwich plate, simply supported or clamped at its boundary, under different loading configurations (uniformly distributed, concentrated, and linearly varying load). The non-linear governing differential equation of the plate was solved using an Analytical method, Variational Iteration Method (VIM), after which the Finite Element Method (FEM) was used to validate its accuracy. Results showed a significantly higher deflection value for the simply supported plate compared to the clamped plate for all the various loading configurations, where a sandwich plate of radius 100mm under clamped conditions generated deflection of 0.05mm when exposed to a uniform load while a deflection of 0.25mm for simply supported condition. The concentrated load was also discovered to have a major effect on the body of the sandwich plate as it was seen to generate the highest deflection among all loading configurations regardless of its boundary conditions where a simply supported condition with a point load had a high deflection amounting to 2.1mm.

References

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Ayotomiwa Salau. 2021. \u201cDeflection Response of Structural Circular Sandwich Plates Subject to Uniform, Concentrated and Linearly Varying Load\u201d. Global Journal of Research in Engineering - E: Civil & Structural GJRE-E Volume 21 (GJRE Volume 21 Issue E2): .

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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GJRE-E Classification: FOR Code: 090599
Version of record

v1.2

Issue date

May 24, 2021

Language
en
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Published Article

This research is based on the study of the deflection response of a structural circular sandwich plate, simply supported or clamped at its boundary, under different loading configurations (uniformly distributed, concentrated, and linearly varying load). The non-linear governing differential equation of the plate was solved using an Analytical method, Variational Iteration Method (VIM), after which the Finite Element Method (FEM) was used to validate its accuracy. Results showed a significantly higher deflection value for the simply supported plate compared to the clamped plate for all the various loading configurations, where a sandwich plate of radius 100mm under clamped conditions generated deflection of 0.05mm when exposed to a uniform load while a deflection of 0.25mm for simply supported condition. The concentrated load was also discovered to have a major effect on the body of the sandwich plate as it was seen to generate the highest deflection among all loading configurations regardless of its boundary conditions where a simply supported condition with a point load had a high deflection amounting to 2.1mm.

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Deflection Response of Structural Circular Sandwich Plates Subject to Uniform, Concentrated and Linearly Varying Load

Ayotomiwa Salau
Ayotomiwa Salau University of Lagos
Obanishola. M. Sadiq
Obanishola. M. Sadiq

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