Recent Advances in Computational Electromagnetics for Forward and Inverse Problems

Journal of PIER (E-ISSN: 1559-8985) | www.jpier.org

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PIERS —— A global symposium committed to
advancing photonics and electromagnetics for the benefit of humanity.

Recent Advances in Computational Electromagnetics for Forward and Inverse Problems

Session Organizers

Dezhi Wang

Fang-Fang Wang

Nanjing University of Posts and Telecommunications

Session Chairs

Fang-Fang Wang

Nanjing University of Posts and Telecommunications

Yunyun Hu

Tongji University

Session Information

This session focuses on recent theoretical, numerical, and computational advances in electromagnetic modeling for geophysical applications. It highlights how modern computational electromagnetics (CEM) methods --- such as finite element, finite difference, integral equation, and hybrid approaches—are enabling more accurate and efficient simulation of complex geological structures, anisotropic and heterogeneous media, and multi-physics coupling environments.
Topics include forward modeling and inversion for CSEM, MT, GPR, EM logging, and airborne/spaceborne EM systems; fast algorithms and high-performance computing; uncertainty quantification; and the integration of physics-based models with data-driven and machine learning approaches. The session aims to bridge methodological innovation with real-world geophysical challenges, promoting cross-fertilization between computational electromagnetics and geophysical exploration, monitoring, and imaging.

Submitted Articles

Note: The following submitted articles are not guaranteed to be scheduled in the final program at this stage. The final presentation type and arranged session will be decided by Technical Program Committee.
Note: +: Presenting Author, *: Corresponding Author

Talk Time	Paper Title \| Authors \| Abstract	Session Date / Room
13:00	3D Forward Modeling for DC Resistivity Method Based on Multi-scale Finite Element Algorithm +Yanfu Qi (Chang'an University), **	3P4 2026-07-30 PM Room: 4 - CR 6
13:15	A 3D Time-domain Finite-element Forward Modeling of Unexploded Ordnance Responses for the Semi-airborne Transient Electromagnetic Method +Yinfeng Wang (Jilin University), Bo Zhang (Jilin University)*	3P4 2026-07-30 PM Room: 4 - CR 6
13:30	A Reparameterization-based Method for 2D MT Inversion: An Analysis of the Implicit Preconditioning Mechanism +Haikuo Li (Jilin University), Yunhe Liu (Jilin University), *, Changchun Yin (Jilin University)*	3P4 2026-07-30 PM Room: 4 - CR 6
14:00	Multi-frequency Electromagnetic Forward Modeling Based on Spectral Element Method for Small-scale Targets in Shallow Water Xin Huang (Yangtze University), +Shucong Cui (Yangtze University), Xiaoyue Cao (Yangtze University), Beirong Liu (Yangtze University), Liangjun Yan (Yangtze university)*	3P4 2026-07-30 PM Room: 4 - CR 6
14:15	High-order Spectral Element Method for 3D Magnetotelluric Modeling +Jiao Zhu (China University of Mining and Technology), , , **	3P4 2026-07-30 PM Room: 4 - CR 6
14:30	Fast Electromagnetic Scattering Simulation for Multi-transmitter Multi-receiver Systems Using Randomized Matrix Approximation +Dezhi Wang ()*	3P4 2026-07-30 PM Room: 4 - CR 6
14:45	A Physics-constrained Neural Network for Electromagnetic Inverse Scattering Imaging Wei Yang (Tongji University), +Yunyun Hu (Tongji University), Qing He (Tongji University), Mei Song Tong (Tongji University)*	3P4 2026-07-30 PM Room: 4 - CR 6
15:00	A Scalable 3-D Parallel Inversion Framework for Multi-source CSEM Data +Jian Li (Southwest Jiaotong University), Rongwen Guo (Central South University), Yasuo Ogawa (Tohoku University), Jian-Xin Liu (Central South University)*	3P4 2026-07-30 PM Room: 4 - CR 6
15:15 Short-Oral	Study on the Mechanism of Marine Magnetotellurics Based on Electromagnetic Wave Propagation Theory +Guihang Shao (Shandong Provincial Research Institute of Coal Geology Planning and Exploration), Yuguo Li (Ocean University of China), Jie Lu (Yangtze University), Tianyi Dai (Ocean University of China), Jiaqi Ge (Aerospace Information Technology University)*	3P4 2026-07-30 PM Room: 4 - CR 6
15:18 Short-Oral	Application of the Opposing Coils Transient Electromagnetic Method in Gold Mine Goaf Area +Guihang Shao (Shandong Provincial Research Institute of Coal Geology Planning and Exploration), Song Gao (Shandong Airport Management Group Yantai International Airport CO., Ltd.), Xinglong Huang (Shandong Provincial Research Institute of Coal Geology Planning and Exploration), Hui Zhang (Shandong Provincial Research Institute of Coal Geology Planning and Exploration), Yu Song (Shandong Provincial Research Institute of Coal Geology Planning and Exploration), Delong Tian (Shandong Provincial Research Institute of Coal Geology Planning and Exploration), Li Cao (Shandong Provincial Research Institute of Coal Geology Planning and Exploration), Liang Ru (Shandong Provincial Research Institute of Coal Geology Planning and Exploration), Changyong Lu (Shandong Provincial Research Institute of Coal Geology Planning and Exploration), Yongjun Wang (Shandong Provincial Research Institute of Coal Geology Planning and Exploration), Guodong Cao (Shandong Provincial Research Institute of Coal Geology Planning and Exploration), Qidong Yang (Shandong Provincial Research Institute of Coal Geology Planning and Exploration), Yubao Shao (Shandong Provincial Research Institute of Coal Geology Planning and Exploration)*	3P4 2026-07-30 PM Room: 4 - CR 6
15:30	Coffee Break
16:00 Invited	Efficient Adjoint-based Sensitivity Approximation for 2D Marine Controlled-source EM Inversion +Gang Li (Zhejiang University), , , **	3P4 2026-07-30 PM Room: 4 - CR 6
16:20	Efficient 3D Surface Breaking Slot Reconstruction for ECNDT +Xun Xu (Nanjing University of Posts and Telecommunications), Yiming Liu (Nanjing University of Posts and Telecommunications), Fang-Fang Wang (Nanjing University of Posts and Telecommunications), Yang Bao (Nanjing University of Posts and Telecommunications)*	3P4 2026-07-30 PM Room: 4 - CR 6
16:35	Power Pattern Synthesis of Holographic Metasurfaces Using the Wirtinger Flow Algorithm Wei Cheng (Nanjing University of Posts and Telecommunications), Zi-Xuan Ou (Nanjing University of Posts and Telecommunications), +Fang-Fang Wang (Nanjing University of Posts and Telecommunications)*	3P4 2026-07-30 PM Room: 4 - CR 6
16:50	Logging-While-Drilling Electrical Imaging Method in Oil-based Mud +Yunxin Zeng (Southwest Petroleum University), Zhenguan Wu (Southwest Petroleum University), , *	3P4 2026-07-30 PM Room: 4 - CR 6
17:05	PSF-consistent Scattering Center Reconstruction for Near-field RCS Inversion +Yue Ouyang (Nanjing University of Posts and Telecommunications), Ting Ting Yu (Nanjing University of Posts and Telecommunications), Dong Chen (Nanjing University of Posts and Telecommunications), Baoguang Liu (Nanjing University of Posts and Telecommunications), Yuan Yao (Nanjing University of Posts and Telecommunications), Yong Cheng (Nanjing University of Posts and Telecommunications)*	3P4 2026-07-30 PM Room: 4 - CR 6
17:20	A Physics-driven Unet for Inverse Scattering Problems Hui Wang (Tongji University), +Yunyun Hu (Tongji University), Qing He (Tongji University), Mei Song Tong (Tongji University)*	3P4 2026-07-30 PM Room: 4 - CR 6
17:35	An Efficient DCU-accelerated Parallel FDTD Method for Large-scale Electromagnetic Simulations +Youshen Tian (The Hong Kong Polytechnic University), Qingtao Sun (Eastern Institute of Technology, Ningbo), Wen Chen (The Hong Kong Polytechnic University), Qing Huo Liu (Eastern Institute of Technology, Ningbo)*	3P4 2026-07-30 PM Room: 4 - CR 6

Recent Advances in Computational Electromagnetics for Forward and Inverse Problems

Session Organizers

Session Chairs

Session Information

Submitted Articles

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