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Stability Analysis for Wave Simulation in 3D Poroelastic Media with the Staggered-Grid Method 期刊论文
COMMUNICATIONS IN COMPUTATIONAL PHYSICS, 2020, 卷号: 28, 期号: 2, 页码: 743-767
Authors:  Zhang, Wensheng
Favorite  |  View/Download:8/0  |  Submit date:2020/09/23
3D  stability analysis  poroelastic media  wave propagation  staggered-grid  
Acoustic multi-parameter full waveform inversion based on the wavelet method 期刊论文
INVERSE PROBLEMS IN SCIENCE AND ENGINEERING, 2020, 页码: 28
Authors:  Zhang, Wensheng
Favorite  |  View/Download:9/0  |  Submit date:2020/09/23
Full waveform inversion  multi-parameter  wavelet method  numerical schemes  acoustic wave  time domain  
Convergence analysis of a coefficient inverse problem for the semi-discrete damped wave equation 期刊论文
APPLICABLE ANALYSIS, 2020, 页码: 26
Authors:  Zhang, Wensheng;  Zhao, Zhongliu
Favorite  |  View/Download:6/0  |  Submit date:2020/09/23
Discrete Carleman estimates  damped wave equation  coefficient inverse problem  semi-discrete  convergence  
High order symplectic integrators based on continuous-stage Runge-Kutta-Nystrom methods 期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2019, 卷号: 361, 页码: 670-679
Authors:  Tang, Wensheng;  Sun, Yajuan;  Zhang, Jingjing
Favorite  |  View/Download:18/0  |  Submit date:2020/01/10
Continuous-stage Runge-Kutta-Nystrom methods  Hamiltonian systems  Symplectic integrators  Legendre polynomial expansion  Simplifying assumptions  
Logarithmic stability of an inverse problem for Biot’s consolidation system in poro-elasticity 期刊论文
Journal of Physics Communications, 2019, 卷号: 3, 期号: 11
Authors:  Zhang,Wensheng;  Jiang,Zifan
Favorite  |  View/Download:14/0  |  Submit date:2020/03/10
Carleman estimate  inverse problem  Biot’s system  
Elastic full waveform inversion on unstructured meshes by the finite element method 期刊论文
PHYSICA SCRIPTA, 2019, 卷号: 94, 期号: 11, 页码: 16
Authors:  Zhang, Wensheng
Favorite  |  View/Download:12/0  |  Submit date:2019/10/28
unstructured triangular meshes  elastic wave  full waveform inversion  finite element method  iterative Tikhonov regularization  irregular topography  conjugate gradient method  
A multiscale method for wave propagation in 3D heterogeneous poroelastic media 期刊论文
GEOPHYSICS, 2019, 卷号: 84, 期号: 4, 页码: T237-T257
Authors:  Zhang, Wensheng;  Zheng, Hui
Favorite  |  View/Download:14/0  |  Submit date:2020/01/10
Wave simulation for the poroelastic wave equations by the multiscale method 期刊论文
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2019, 卷号: 62, 期号: 6, 页码: 2176-2187
Authors:  Zhang WenSheng;  Zheng Hui
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Poroelastic wave equations  Inhomogeneous media  Wave simulation  Multiscale method  PML absorbing boundary  
A new family of fourth-order locally one-dimensional schemes for the 3D elastic wave equation 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2019, 卷号: 348, 页码: 246-260
Authors:  Zhang, Wensheng
Favorite  |  View/Download:21/0  |  Submit date:2019/03/05
3D  Elastic wave equation  LOD  Fourth-order accuracy  Splitting  
A Mixed Regularization Method for Ill-Posed Problems 期刊论文
NUMERICAL MATHEMATICS-THEORY METHODS AND APPLICATIONS, 2019, 卷号: 12, 期号: 1, 页码: 212-232
Authors:  Zheng, Hui;  Zhang, Wensheng
Favorite  |  View/Download:40/0  |  Submit date:2018/11/16
Ill-posedness  continuous regularization  iterative regularization  mixed regularization  optimal order