Balancing lightweight design and crashworthiness in NPR sandwich structures: A multi-objective optimization approach for enhanced crashworthiness
Ali Tian,
Jinhao Zou,
Xu Mingchao
et al.
Abstract:Aiming to address the multi-objective cooperative optimization problem of ship structure lightweight and crashed-resistance, this study proposed a concave reentrant honeycomb-based negative Poisson’s ratio (NPR) sandwich structure to replace the stiffened plate. The feasibility of using the sandwich structure to improve ship crashworthiness is demonstrated through finite element analysis. An intelligent optimization method is established to address the issues of multiple parameters and complex effects associat… Show more
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