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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


15/03/2021 Collaboration for ICWET'21: Editorial Board of our journal and Organizing Committee of the6th International Conference on Welding Technologies and Exibition (ICWET’21) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


11/02/2021 Collaboration for ULIBTK 2021: Editorial Board of our journal and Organizing Committee of the 23. Congress on Thermal Science and Technology (ULIBTK 2021) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


31/12/2020 Most Cited Award: 

According to the Editorial Board evaluation, the paper authored by Nelson Batista, Rui Melicio, Victor Mendes entitled as “Darrieus vertical axis wind turbines: methodology to study the self-start capabilities considering symmetric and asymmetric airfoils" is awarded the 2020 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM).


31/12/2020 Best Paper Award:

According to the Advisory Board decision, 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 2020 Best Paper Award of Research on Engineering Structures and Materials (RESM).


02/11/2020 Indexed by SCOPUS: We are informed that our journal is accepted to be included in the SCOPUS Index. See news for more info.


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


For more see News...

LATEST AWARDS


2020 Most Cited Paper Award:

The paper authored by Nelson Batista, Rui Melicio, Victor Mendes entitled as “Darrieus vertical axis wind turbines: methodology to study the self-start capabilities considering symmetric and asymmetric airfoils" is awarded the


2020 Best Paper Award:

The paper authored by Ahsen Ünal, Işıl Özer, Melek Erol Taygun, Sadriye Küçükbayrak entitled as “Fabrication and in-vitro evaluation of copper doped bioactive glass/polymer composite scaffolds for bone tissue engineering” is awarded the 


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