基于改进蝴蝶优化算法的瑞利波频散曲线反演方法

彭刘亚, 冯伟栋, 解惠婷, 李飞, 杨源源, 曹均锋, 任川

An improved butterfly optimization algorithm in the inversion of Rayleigh wave dispersion curve

PENG Liu-Ya, FENG Wei-Dong, XIE Hui-Ting, LI Fei, YANG Yuan-Yuan, CAO Jun-Feng, REN Chuan

图13 10%随机噪声条件下不同算法对模型3的反演结果 a—频散曲线拟合情况;b—反演模型速度剖面;c—反演结果误差曲线;d—迭代收敛曲线;e—后期迭代收敛曲线(40~100次)

Fig.13 Inverted results of model 3 by different algorithms with 10% random noise a—dispersion curves of theoretical model and inverted model;b—shear wave structures of theoretical model and inverted model;c—relative error between theoretical model and inverted model;d—convergence curves of different algorithms;e—convergence curves of different algorithms during iteration No.40~100