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Crashworthiness design methodology using a hybrid cellular automata algorithm for the synthesis of topologies for structures subject to nonlinear transient loading

机译:使用混合细胞自动机算法的耐撞性设计方法,用于非线性瞬态载荷下结构的拓扑综合

摘要

Crashworthiness designing of a structure using a Hybrid Cellular Automata (HCA) algorithm where field states are computed using finite element analysis (FEA) and the material distribution of the structure is updated at each iteration using cellular automata method. The HCA algorithm optimizes the topology of the structures to achieve certain performance within the limits of various constraints applied to ensure crashworthiness of the structures. The HCA algorithm may also be applied to designing of structures to be fabricated by an extrusion method having the same cross section along the direction of extrusion or stamped structures having thickness varying across the structure.
机译:使用混合细胞自动机(HCA)算法设计结构的耐撞性,其中使用有限元分析(FEA)计算场态,并使用细胞自动机方法在每次迭代中更新结构的材料分布。 HCA算法优化了结构的拓扑,以在为确保结构的耐撞性而施加的各种约束的限制内实现某些性能。 HCA算法还可以应用于通过挤压方法制造的结构的设计,该挤压方法沿挤压方向具有相同的横截面,或者冲压结构的厚度在整个结构上变化。

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