Design and optimization of the sound diffusers using radial basis functions-based shapes and genetic algorithms

2017 ◽  
Vol 141 (5) ◽  
pp. 3664-3664
Author(s):  
Ricardo Patraquim ◽  
Luis Godinho ◽  
Paulo Amado Mendes
Keyword(s):  
Genetic Algorithms ◽  
Radial Basis Functions ◽  
Basis Functions ◽  
Design And Optimization ◽  
Radial Basis

Effects of sections added to multi-cell square tubes on crash performance

2020 ◽  
Vol 62 (5) ◽  
pp. 471-480 ◽  
Author(s):  
Emre İsa Albak
Keyword(s):  
Finite Element ◽  
Genetic Algorithms ◽  
Radial Basis Functions ◽  
Axial Loading ◽  
Basis Functions ◽  
Finite Element Analyses ◽  
Energy Absorber ◽  
Radial Basis ◽  
Crash Performance

Abstract In this study, the effects of sections added to multi-cell square tubes on crash performance are examined. Square, hexagonal and circular sections are added to multi-cell square tubes and their results are examined. Finite element analyses under axial loading are performed to examine the crash performance of the multi-cell tubes. Analyses show that by adding a section to the multi-cell square tubes. the crash behavior of the tubes is improved. According to the results, S5H multi-cell square tube reveals the best crash performance. The optimization of S5H is carried out by using genetic algorithms and radial basis functions. The S5H tube presents a good crashworthiness performance and could be used as an energy absorber.

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