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14 实测资料不同算法反演结果 a—最终反演结果计算得到的理论频散曲线与实测频散数据对比;b—不同算法的迭代收敛曲线;c—IBOA算法10次反演模型结果及平均值;d—最终反演模型与实际钻孔揭露地层对比

Fig.14 Inverted results of actual field data by different algorithms a—dispersion curves of measured data and inverted models by different algorithms;b—convergence curves of different algorithms;c—shear wave structures of 10 times inversions by IBOA;d—comparison between actual borehole data and inverted models