Research Article

Crashworthiness Design and Multiobjective Optimization for Hexagon Honeycomb Structure with Functionally Graded Thickness

Figure 11

Various trends of optimal thickness under four cases by three surrogate models. (a) SEA = 18.5 kJ/kg. (b) SEA = 20 kJ/kg. (c) SEA = 22 kJ/kg. (d) SEA = 24 kJ/kg.
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