2012 ©
             Publication
Journal Publication
Title of Article Multi-surrogate-assisted metaheuristics for crashworthiness optimisation  
Date of Acceptance 24 March 2020 
Journal
     Title of Journal International Journal of Vehicle Design  
     Standard SCOPUS 
     Institute of Journal Multi-surrogate-assisted metaheuristics for crashworthiness optimisation  
     ISBN/ISSN  
     Volume Volume 80 
     Issue Issue 2-4 
     Month September
     Year of Publication 2023 
     Page 223-240 
     Abstract This work proposes a multi-surrogate-assisted optimisation and performance investigation of several newly developed metaheuristics (MHs) for the optimisation of vehicle crashworthiness. The optimisation problem for car crashworthiness is posed to find the shape and size of a crash box while the objective function is to maximise the total energy absorption subject to a mass constraint. Two main numerical experiments are conducted. Firstly, the performance of different surrogate models along with the proposed multisurrogate model is investigated. Secondly, several MHs are applied to tackle the proposed crashworthiness optimisation problem by employing the best obtained surrogate model. The results reveal that the proposed multi-surrogatemodel is the best performer. Among the several MHs used in this study, sine cosine algorithm is the best algorithm for the proposed multi-surrogate model. Based on this study, the application of the proposed multi-surrogate model is better than using one particular traditional surrogate model, especially for constrained optimisation. 
     Keyword surrogate-assisted optimisation; crash box design; evolutionary algorithm; constrained optimisation; meta-heuristics; crashworthiness optimisation; Kriging model 
Author
617040031-0 Ms. CHO MAR AYE [Main Author]
Engineering Doctoral Degree

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