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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
作者:  Tang, Wensheng;  Sun, Yajuan;  Zhang, Jingjing
收藏  |  浏览/下载:207/0  |  提交时间: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
作者:  Zhang,Wensheng;  Jiang,Zifan
收藏  |  浏览/下载:148/0  |  提交时间: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
作者:  Zhang, Wensheng
收藏  |  浏览/下载:172/0  |  提交时间: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
作者:  Zhang, Wensheng;  Zheng, Hui
收藏  |  浏览/下载:151/0  |  提交时间: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
作者:  Zhang WenSheng;  Zheng Hui
收藏  |  浏览/下载:152/0  |  提交时间:2020/01/10
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
作者:  Zhang, Wensheng
收藏  |  浏览/下载:169/0  |  提交时间: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
作者:  Zheng, Hui;  Zhang, Wensheng
收藏  |  浏览/下载:235/0  |  提交时间:2018/11/16
Ill-posedness  continuous regularization  iterative regularization  mixed regularization  optimal order  
多孔弹性波方程的多尺度波场模拟 期刊论文
地球物理学报, 2019, 卷号: 062, 期号: 006, 页码: 2176
作者:  张文生;  郑晖
收藏  |  浏览/下载:150/0  |  提交时间:2020/01/10