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Growing Science » Engineering Solid Mechanics » Numerical analysis of stiffened plates subjected to transverse uniform load through the constructal design method

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Engineering Solid Mechanics

ISSN 2291-8752 (Online) - ISSN 2291-8744 (Print)
Quarterly Publication
Volume 10 Issue 1 pp. 99-108 , 2022

Numerical analysis of stiffened plates subjected to transverse uniform load through the constructal design method Pages 99-108 Right click to download the paper Download PDF

Authors: Vinícius Torres Pinto, Luiz Alberto Oliveira Rocha, Elizaldo Domingues dos Santos, Liércio André Isoldi

DOI: 10.5267/j.esm.2021.9.001

Keywords: Plates with Stiffeners, Numerical Simulation, Constructal Design, Deflection, Rectangular Stiffeners, Trapezoidal Stiffeners

Abstract: When it comes to engineering, high performance is always a desired goal. In this context, regarding stiffened plates, the search for better geometric configurations able to minimize the out-of-plane displacements become interesting. So, this study aimed to analyze several stiffened plates defined by the Constructal Design Method (CDM) and solved through the Finite Element Method (FEM) using the ANSYS® software. After that, these plates are compared among each other through the Exhaustive Search (ES) technique. To do so, a non-stiffened rectangular plate was adopted as reference. Then, a portion of its steel volume was converted into stiffeners through the ϕ parameter, which represents the ratio between the volume of the stiffeners and the total volume of the reference plate. Taking into consideration the value of ϕ = 0.3, 75 different stiffened plates arrangements were proposed: 25 with rectangular stiffeners oriented at 0°; 25 with rectangular stiffeners oriented at 45° and 25 with trapezoidal stiffeners oriented at 0°. Maintaining the total volume of material constant, it was investigated the geometry influence on the maximum deflection of these stiffened plates. The results have shown trapezoidal stiffeners oriented at 0° are more effective to reduce the maximum deflections than rectangular stiffeners also oriented at 0°. It was also observed that rectangular stiffeners oriented at 45° presented the smallest maximum deflections for the majority of the analyzed cases, when compared to the trapezoidal and rectangular stiffeners oriented at 0°.

How to cite this paper
Pinto, V., Rocha, L., Santos, E & Isoldi, L. (2022). Numerical analysis of stiffened plates subjected to transverse uniform load through the constructal design method.Engineering Solid Mechanics, 10(1), 99-108.

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Journal: Engineering Solid Mechanics | Year: 2022 | Volume: 10 | Issue: 1 | Views: 977 | Reviews: 0

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