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Research Article

Constructal design applied to geometrical evaluation of rectangular plates with inclined stiffeners subjected to uniform transverse load

Vinícius Torres Pinto1Marcelo Langhinrichs Cunha1,  Grégori da Silva Troina1Kauê Louro Martins1Elizaldo Domingues dos Santos1, Liércio André Isoldi1Luiz Alberto Oliveira Rocha2 

1Graduate Program in Ocean Engineering (PPGEO), Federal University of Rio Grande – FURG, Rio Grande, RS, Brazil.                                                                                                                                                               2Graduate Program in Mechanical Engineering, University of Vale do Rio dos Sinos – UNISINOS, Porto Alegre, RS, Brazil

Keywords

Abstract



Stiffened Plates;

 Numerical Simulation; 

Constructal Design; 

Deflection

This study employs the Constructal Design method associated with the computational modeling (by the Finite Element Method) to evaluate the mechanical behavior related to deflections of stiffened rectangular steel plates submitted to uniform transverse loading. To do so, a rectangular reference plate without stiffeners was used. A material volume portion of this plate was converted into stiffeners through the parameter ϕ, which represents the ratio between the stiffeners volume and the total volume of the reference plate. By adopting ϕ = 0.3, 50 stiffened plates were configured: 25 with orthogonal stiffeners to the plate edges and 25 with stiffeners oriented at 45°. Keeping the total volume of material constant, the influence of the orientation of the stiffeners and the effect of the degree of freedom hs/ts (ratio between height and thickness) variation were numerically analyzed. The results showed that variations in the geometry of the stiffeners can increase the rigidity of the plate, reducing its deflection. Further, it has been found that depending on the number of stiffeners, orienting them at 45° may be an alternative to minimize deflections in rectangular plates.  © 2019 MIM Research Group. All rights reserved.

LATEST News


21/02/2020 Collaboration for SET 2020: Editorial Board of our journal and Organizing Committee of the 19th International Conference on Sustainable Energy Technologies (SET 2020) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


25/12/2019 Most Cited Paper Award: The paper authored by Manoj Sahni and Sanjeev Sharma entitled as “Elastic-plastic deformation of a thin rotating solid disk of exponentially varying density" is awarded the 2019 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM).

25/12/2019 Best Paper Award: The paper authored by Marcelo Mesquita do Amaral, Matheus Wanglon Ferreira and Mauro de Vasconcellos Real entitled as “A simplified method for analysis of reinforced concrete beams exposed to fire situation” is awarded the 2019 Best Paper Award of Research on Engineering Structures and Materials (RESM).


13/11/2019 Data articles as a new type of submision: Editorial Board of our journal have decided to accept a new type of submission: data articles. The focus of these papers is only on data and how it is collected but not on its interpretation and drawn conclusions. For more see News section.


(More details of the news may be given in the News section)


For more see News...

LATEST AWARDS


2019 Most Cited Paper Award:

The paper authored by Manoj Sahni and Sanjeev Sharma entitled as “Elastic-plastic deformation of a thin rotating solid disk of exponentially varying density" is awarded the


2019 Best Paper Award:

The paper authored by Marcelo Mesquita do Amaral, Matheus Wanglon Ferreira and Mauro de Vasconcellos Real entitled as “A simplified method for analysis of reinforced concrete beams exposed to fire situation” is awarded the 


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Last Update:

15.06.2020

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