Constructal design associated with genetic algorithm to minimize the maximum deflection of thin stiffened steel plates

Cunha, Marcelo Langhinrichs; Estrada, Emanuel da Silva Diaz; Lima, João Paulo Silva; Troina, Grégori da Silva; Santos, Elizaldo Domingues dos; Isoldi, Liércio André

doi:10.1002/htj.21711

Cited by 1 publication

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“…When it comes to engineering, high structural performance is always a target. Therefore, regarding steel plates, the Constructal Design Method (CDM) associated with computational modeling by FEM, have reached interesting results, as in: Isoldi et al [20,21], Helbig et al [22][23][24], Da Silva et al [25], and Da Silveira et al [26] who investigated the buckling effect on perforated plates; Lima et al [27,28] who analyzed the buckling of stiffened plates; and Cunha et al [29,30], De Queiroz et al [31], Troina et al [32], Nogueira et al [33], and Pinto et al [34,35] who studied the bending of plates with I-Shaped stiffeners.…”

Section: Introductionmentioning

confidence: 99%

Geometric Analysis by Constructal Design of Stiffened Steel Plates Under Bending With Transverse I-Shaped or T-Shaped Stiffeners

et al. 2022

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Several stiffened plates arrangements subjected to bending were configured applying the Constructal Design Method (CDM) and solved by Finite Element Method (FEM), aiming through the Exhaustive Search (ES) technique analyze the influence of transverse I-Shaped or T-Shaped stiffeners in mechanical behavior. Considering a non-stiffened plate as reference and maintaining the total steel volume constant, a portion of the reference plate was deducted from its thickness, and transformed into stiffeners through the ???? volume fraction parameter, which represents the ratio between the steel volume of the stiffeners and the steel volume of the reference plate. Assuming ???? = 0.3, 25 plates with just I-Shaped stiffeners in longitudinal and transverse directions and 25 plates with I-Shaped stiffeners in longitudinal direction and T-Shaped stiffeners in transverse direction were proposed. The results showed that the plates with transverse T-Shaped stiffeners are more effective, reducing the maximum von Mises stress and maximum deflection, respectively, in up to more than 60% and 50% when compared with the plates with just I-Shaped stiffeners.

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Section: Introductionmentioning

confidence: 99%

Geometric Analysis by Constructal Design of Stiffened Steel Plates Under Bending With Transverse I-Shaped or T-Shaped Stiffeners

et al. 2022

View full text Add to dashboard Cite

show abstract

Constructal design associated with genetic algorithm to minimize the maximum deflection of thin stiffened steel plates

Abstract: This paper deals with the application of stochastic technique allied to the constructal design (CD) method and computational modeling for the optimization of composed plates reinforced by stiffeners.

Cited by 1 publication

References 45 publications

Geometric Analysis by Constructal Design of Stiffened Steel Plates Under Bending With Transverse I-Shaped or T-Shaped Stiffeners

Geometric Analysis by Constructal Design of Stiffened Steel Plates Under Bending With Transverse I-Shaped or T-Shaped Stiffeners

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