Cost-Effective Method of Optimization of Stacking Sequences in the Cylindrical Composite Shells Using Genetic Algorithm

Authors

  • Ehsan Daneshkhah Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy https://orcid.org/0000-0003-0629-9050
  • Reza Jafari Nedoushan Department of Mechanical Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran https://orcid.org/0000-0002-2772-2666
  • Davoud Shahgholian Department of Mechanical Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran
  • Nima Sina Department of Mechanical Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran https://orcid.org/0000-0003-4777-7063

DOI:

https://doi.org/10.13052/ejcm2642-2085.2914

Keywords:

Cylindrical composite shells, external pressure, finite element analysis, buckling formula, genetic algorithm

Abstract

Buckling is one of the common destructive phenomena, which occurs in composite cylinders subjected to external pressure. In this paper, different methods to optimize stacking sequence of these cylinders are investigated. A finite element model is proposed in order to predict critical buckling pressure and the results are validated with previous experimental data. Theoretical analysis based on NASA SP‐8007 solution and the simplified equation for cylinder buckling of ASME RD-1172 are presented and discussed. The results of theoretical and finite element analysis and experimental tests are compared for both glass and carbon epoxy cylinders. Using NASA and ASME formulations, optimal laminations of cylinders in order to maximize buckling pressure, are obtained by genetic algorithm method. Suggested laminations and the values of corresponding critical buckling pressure calculated by finite element analysis, are presented and compared in various states. Obtained results show that while predicted buckling loads of finite element analysis are reliable, NASA formulation can be used in a very cost-effective method to optimize the buckling problems.

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Author Biographies

Ehsan Daneshkhah, Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy

Ehsan Daneshkhah is a Ph.D. student of Mechanical Engineering at Politecnico di Torino. He earned his Master’s degree in Mechanical Engineering-Applied Design from Isfahan University of Technology. He worked on different research projects related to solid mechanics and Finite Element methods during his studies. Furthermore, he conducted many experiments and tests related to the mechanical and microstructural behavior of materials. He obtained his Bachelor’s degree in the field of Mechanical Engineering-Solid Mechanics & Design at Bu-Ali Sina University. He started his PhD studies at Politecnico di Torino and joined Mul2 group at the Department of Mechanical and Aerospace Engineering.

 

Reza Jafari Nedoushan, Department of Mechanical Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran

Reza Jafari Nedoushan received his B.Sc., M.Sc., and Ph.D. degrees in Mechanical Engineering from Isfahan University of Technology, Isfahan, Iran in 2005, 2008, and 2012, respectively. Dr. Jafari Nedoushan is currently an Associate Professor at Isfahan University of Technology, Isfahan, Iran. His research interests include ultralight composite structures and metamaterials.

Davoud Shahgholian, Department of Mechanical Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran

Davoud Shahgholian received his M.Sc degree in Mechanical Engineering from Isfahan University of Technology, Iran; Ph.D degree in Mechanical Engineering from Tarbiat Modares University, Iran. His areas of interest include “Composite Material and Structures”, “Manufacturing Engineering”, “Structural Buckling and Vibration”, and “vibration correlation technique (VCT)”. Dr. Shahgholian is currently working on the mechanical behavior of composite sandwich structures with lattice cores. He is the Associate Editor of “Journal of Science and Technology of Composites”.

Nima Sina, Department of Mechanical Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran

Nima Sina received his B.Sc and M.Sc in Mechanical engineering from Iran. He as a Professional Programmer, has published many scientific papers and participated in many scientific projects including Optimization, Neural Networks, Control, Robotics, and Numerical Methods. He has taught more than 16 different courses in Islamic Azad University (IAU) since 2008. He has received IASTEM Excellent paper award in 2017 Malaysia. Recently, he is working on developing a new optimization algorithm which is inspired from the Particle Swarm Optimization (PSO) algorithm.

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Published

2020-11-30

How to Cite

Daneshkhah, E., Jafari Nedoushan, R., Shahgholian, D. ., & Sina, N. (2020). Cost-Effective Method of Optimization of Stacking Sequences in the Cylindrical Composite Shells Using Genetic Algorithm. European Journal of Computational Mechanics, 29(1), 115–138. https://doi.org/10.13052/ejcm2642-2085.2914

Issue

2020: Vol 29 Iss 1

Section

Original Article