Teaching

·     Seismic wave propagation theory, Digital signal processing, (for undergraduate students)

·     Seismic wave propagation theory and numerical simulation; Seismic inversion theory and methodology; Seismic wave propagation and scattering in complex media (for graduate students)

Students

·     Current students ：

Master：Longchun Li, Zhongyi Fan, Songqin Nong, Peien Han

Doctor：Minao Sun, Jianhua Wang

·     Former students ：

Master：Hongzhi Wang, Yongde Li, Baolong Liu, Zhao Xue, Jixia Tao, Jinping Zhu, YananYuan, Chao Huang, Yuwei Wang, Xiaoling Guo, Xiaofeng Wu

Doctor：Xiaobo Li, Yi Wang, Benxin Chi, Jizhong Yang, Yuwei Wang, Chao Huang

Research Interests

·     Wave propagation theory, modeling and seismic wave illumination

Research interests on seismic wave propagation theory in complex media, numerical seismic wave simulation methods development (finite-difference, pseudo-spectral method, finite-volume, discontinued Galerkin method, et al.) and the application of such techniques to guide the seismic data acquisition, data processing, inversion and interpretation.

·     Full waveform inversion

Research on seismic waveform inversion theory, methodology and inversion strategy (including data subsets, multiscale and multistep strategies)

·     Seismic tomography

Research on developing seismic tomography methods to utilize different kinds of information contained in seismic data (such as travel time, amplitude, waveforms et al.) and the applications of the developed tomography methods to deal with field data.

Projects

·     Research on theory and application of High resolution velocity model building using Reflection waveform inversion method，National Natural Science Foundation project (No: 41674115)，2017/01-2020/12，on going，director

Publications

2023

·     Jianming Zhang，Liangguo Dong，Jianhua Wang，Chao Huang，2023. Preconditioned transmission + reflection joint traveltime tomography with adjoint-state method for subsurface velocity model building. Geophysical Prospecting，71:171–190

·     Jianming Zhang, Liangguo Dong*, Jianhua Wang, Yilin Wang, 2023. Illumination compensation for the adjoint-state first-arrival traveltime tomography in VTI media. Journal of Applied Geophysics，211：1-19.

·     Yilin Wang, Liangguo Dong*, Jianhua Wang, Jianming Zhang, 2023. Characteristic reflector-based wave-equation reflection traveltime inversion. Geophysics，88（3）：R323–R337,

2022 

·     Jianhua Wang, Liangguo Dong∗, Jianhua Wang, Chao Huang, Yuzhu Liu，2022. Monochromatic wave equation traveltime inversion in vertical transverse isotropic media.  Geophysics, 87(6) :C173–C190.

2021

·     Jianhua Wang and Liangguo Dong∗，2021. Memory-efficient frequency-domain Gauss–Newton method for wave-equation first-arrival traveltime inversion. Near Surface Geophysics, 2021, 19, 415–428

·     Jianhua Wang, Jizhong Yang, Liangguo Dong*, and Yuzhu Liu*，2021. Frequency-domain wave-equation traveltime inversion with a monofrequency component. Geophysics, 86(6): R913–R926.

·     Jiangming Zhang and Liangguo Dong*, 2021. Preconditioned transmission+reflection joint traveltime tomography with adjoint state method for subsurface velocity modeling building. 2021 EAGE（Oral）, 2021/10/19, Amsterdam

·     Liu Yuzhu, Weigang Liu, Jizhong Yang*, Liangguo Dong, 2021, Extracting angle domain common image gather with variable density acoustic wave equation. Journal of Geophysics and Engineering, 18(2): 192-199.

2020

·     Jiangming Zhang, Jianhua Wang and Liangguo Dong,2020,A first arrival multi-information joint inversion method based on wave-equation for near surface velocity model building, 2020 SEG（Oral）， 2020.10.11--16，Houston

2019

·     Jizhong Yang, Yunyue Elita Li, Arthur Cheng, Yuzhu Liu, and Liangguo Dong，2019. Least-squares reverse time migration in the presence of velocity errors. GEOPHYSICS, VOL. 84, NO. 6; P. S567–S580

·     Yang Jizhong, Yuzhu Liu*, Yunyue Elita Li, Arthur Cheng, Liangguo Dong, and Yue Du, 2019, Joint least-squares reverse time migration of primary and prismatic waves, Geophysics, 84(1): S29-S40.

2018

·     Sun Minao, Liangguo Dong*, Jizhong Yang, Chao Huang, Yuzhu Liu, 2018, Elastic least-squares reverse-time migration with density variations, Geophysics, 83(6): S533-S547.

·     Songqin Nong, Chao Huang, Liangguo Dong*. 2018. Source-independent wave-equation based microseismic source location using traveltime inversion. Earthquake Science. 31(2): 100–109.

·     Liangguo Dong∗, Zhongyi Fan, Hongzhi Wang, Benxin Chi and Yuzhu Liu. 2018. Correlation-based reflection waveform inversion by one-way wave equations. Geophysical Prospecting, 66: 1503–1520.