Variable thickness approach for finding minimum laminate thickness and investigating effect of different design variables on its performance

• Autorzy: Kulkarni N. S. , Tripathi V. K.

Identyfikatory

DOI

10.24425/ame.2018.125441

• Języki publikacji: EN

Abstrakty

EN

The performance of majority engineering systems made of composite laminates can be improved by increasing strength to weight ratio. Variable thickness approach (VTA), in discrete form, used in this study is capable of finding minimum laminate thickness in one stage only, instead of two stage methodology defined by other researchers, with substantial accuracy for the given load conditions. This minimum required laminate thickness can be used by designers in multiple ways. Current study reveals that effectiveness of VTA in this regard depends on ply thickness increment value and number of plies. Maximum Stress theory, Tsai Wu theory and Tsai Hill theory are used as constraints, while ply angles, ply thicknesses and number of plies in discrete form are used as design variables in current simulation studies. Optimization is carried out using direct value coded genetic algorithm. The effect of design variables such as ply angles, ply thicknesses and number of plies in discrete form on optimum solution is investigated considering Uniform Thickness Approach (UTA) and Variable Thickness Approach (VTA) for various load cases.

Słowa kluczowe

EN

composite laminate; weight minimization; OptiComp; Uniform Thickness Approach (UTA); Variable Thickness Approach (VTA)

PL

laminat kompozytowy; minimalizacja wagi; OptiComp; jednolite podejście do grubości (UTA); zmienne podejście do grubości (VTA)

• Wydawca: Komitet Budowy Maszyn PAN
• Czasopismo: Archive of Mechanical Engineering
• Rocznik: 2018
• Tom: Vol. LXV, nr 4
• Strony: 527--551
• Opis fizyczny: Bibliogr. 29 poz., rys., tab.

Twórcy

autor

Kulkarni N. S.

• Mechanical Engineering Department, College of Engineering, Pune, Maharashtra, India – 411005

autor

Tripathi V. K.

• Mechanical Engineering Department, College of Engineering, Pune, Maharashtra, India – 411005

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).