基于深度学习和梯度优化的弹性超材料设计

肖力,曹志刚,卢浩冉,黄志坚,蔡袁强

Elastic metamaterial design based on deep learning and gradient optimization

Li XIAO,Zhigang CAO,Haoran LU,Zhijian HUANG,Yuanqiang CAI

表 3 约束条件带隙宽度最大化的设计结果及与遗传算法设计的对比

Tab.3 Design results for maximizing band gap width under constraints and comparison with genetic algorithm design

工况 橡胶 拓扑结构 ωl/Hz ωu/Hz td 1） 1）注：上述设计时间结果均为取10次测试后的平均值. 1 #11 [0 0 1 1 1 1 1 2 2 2] 55.2 141.3 3.83 s 2 #11 [0 0 0 0 1 1 1 1 1 2] 52.1 144.0 3.87 s 3 #94 [1 1 1 2 2 2 0 0 0 0] 40.2 149.1 4.38 s GA+BGNN #94 [1 1 1 2 2 2 0 0 0 0] 40.2 149.1 925.3 s GA+TMM #94 [1 1 1 2 2 2 0 0 0 0] 40.2 149.1 7.8 h