许家旗 - 哈尔滨工业大学

个人简介

许家旗，男，工学博士，航天学院航天科学与力学系助理教授。主持国家自然科学基金青年项目，中国博士后科学基金面上项目，新时代龙江优秀博士学位论文资助项目等。教育经历 2012.09-2016.07 哈尔滨工业大学，航天学院，工程力学，本科（指导老师：胡恒山） 2016.09-2021.12 哈尔滨工业大学，航天学院，固体力学，博士（指导老师：胡恒山） 2019.09-2021.03 美国杜克大学，Pratt工程学院，电子与计算机工程系，联合培养博士（指导老师：Qing Huo Liu）工作经历 2022.01-至今，哈尔滨工业大学，航天学院，助理教授 2021.12-至今，哈尔滨工业大学，数学学院，博士后（合作导师：韩波）荣誉奖励 2023 第一届波动力学前沿与应用学术会议优秀报告奖 2023 国际超声大会(ICU)应崇福声学奖 2022 中国地球物理学会优秀博士论文奖 2022 新时代龙江优秀博士学位论文 2020 博士研究生国家奖学金 2018 全国检测声学会议优秀论文 2016 黑龙江省三好学生

研究领域

主要从事波动力学的正反问题研究及其在油气勘探、无损检测上的应用，研究方向包括 (1)声波远探测；(2)复杂介质波场数值模拟（有限差分/谱元法/有限元）；(3)大规模-跨尺度结构声场快速算法；(4)弹性波反演、逆时偏移成像。

近期论文

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Jiaqi Xu, Hengshan Hu*, and Bo Han, “A fast algorithm for simulation and analysis of wavefields in acoustic single-well imaging of logging-while-drilling considering arbitrary types of sources”, Geophysics, published on 06 November 2023, https://doi.org/10.1190/geo2023-0177.1. Yuan Gao, Hengshan Hu*, and Jiaqi Xu,” Elastic Reverse Time Migration Method for Single-Well Imaging and Elimination of Azimuthal Ambiguity with A Combined Receiver System”, IEEE Transactions on Geoscience and Remote Sensing, published online on 27 October 2023, doi: 10.1109/TGRS.2023.3326615. Jiaqi Xu, Hengshan Hu*, and Bo Han, “3D simulation of wave propagation in the fractured porous media for subsurface sensing: A rotated staggered finite-difference algorithm based on equivalent medium theory”, IEEE Transactions on Geoscience and Remote Sensing, published online on 23 October 2023, doi: 10.1109/TGRS.2023.3326615. Jiaqi Xu, Hengshan Hu*, Qing Huo Liu, and Bo Han. "A high-order perfectly matched layer scheme for second-order spectral-element time-domain elastic wave modelling." Journal of Computational Physics 491 (2023): 112373. Jiaqi Xu, Hengshan Hu*, Qing Huo Liu, and Bo Han. "A spectral element time domain (SETD) method based on poroelastic linear slip conditions for 3D wave propagation in fractured porous media." Waves in Random and Complex Media (2023): 1-26. Jiaqi Xu, Hengshan Hu*, and Bo Han. "A simple method for fast simulation of total reflection waves of single-well imaging with eccentric tools." Journal of Geophysics and Engineering 20.3 (2023): 581-599. Jiaqi Xu, Hengshan Hu*, Qiwei Zhan, Yang Zhong, and Qing Huo Liu*,"Nearly perfectly matched layer implementation for time domain spectral element modelling of wave propagation in 3D heterogeneous and anisotropic porous media." Journal of Applied Geophysics 208 (2023): 104870. Jiaqi Xu, Qing Huo Liu*, Hengshan Hu*, and Yang Zhong. "Simulation of borehole acoustic wavefields in fractured media by combining the spectral-element method and linear-slip model." Geophysics 86.5 (2021): D177-D192. Jiaqi Xu, Hengshan Hu*, Qing Huo Liu*, Qiwei Zhan, and Mingwei Zhuang. "Spectral element modeling of elastic wave propagation in an anisotropic background with discrete anisotropic fractures." Geophysical Journal International 227.2 (2021): 832-848. Yang Zhong, Haiming Wang, Weifeng Huang, Wenhao Xu, Jiaqi Xu, Junwen Dai, and Qing Huo Liu*. "A Hybrid Loop-Tree FEBI Method for Low-Frequency Well Logging of 3-D Structures in Layered Media." IEEE Transactions on Geoscience and Remote Sensing 60 (2021): 1-9. Jiaqi Xu, Hengshan Hu*, and Qing Huo Liu*. "Combination of FDTD With Analytical Methods for Simulating Elastic Scattering of 3-D Objects Outside a Fluid-Filled Borehole." IEEE Transactions on Geoscience and Remote Sensing 59.6 (2020): 5325-5334. Jiaqi Xu and Hengshan Hu*. "Solutions of P-SV and SV-P waves in single-well imaging through reciprocity relations." Geophysics 85.6 (2020): D245-D259. 许家旗, 胡恒山. "声波远探测中偏心声源的辐射以及接收波场研究." 地球物理学报 63.9 (2020): 3545-3561. Jiaqi Xu, Hengshan Hu*, and Zhi Wang. "Asymptotic solution to a 3D dipole single-well imaging system with combined monopole and dipole receivers with an application in elimination of azimuth ambiguity." Geophysics 84.5 (2019): D191-D207.