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中国科学院数学与系统科学研究院机构知识库
KMS Of Academy of mathematics and systems sciences, CAS
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Carleman estimate for wave equations coupled with the second order terms
期刊论文
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2022, 卷号: 506, 期号: 2, 页码: 24
Authors:
Jiang, Zifan
;
Zhang, Wensheng
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View/Download:6/0
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Submit date:2022/04/02
Carleman estimates
Coupled hyperbolic system
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
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View/Download:29/0
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Submit date:2020/09/23
3D
stability analysis
poroelastic media
wave propagation
staggered-grid
H?lder stability in determining elastic coefficients of Biot's system in poroelastic media
期刊论文
Journal of Physics Communications, 2020, 卷号: 4, 期号: 8
Authors:
Zhang,Wensheng
;
Jiang,Zifan
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View/Download:20/0
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Submit date:2021/01/14
H?lder stability
inverse problem
elastic coefficients
Carleman estimate
Biot's system
poroelastic media
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
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View/Download:34/0
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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
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View/Download:26/0
  |  
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
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View/Download:50/0
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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
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View/Download:37/0
  |  
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
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View/Download:42/0
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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
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View/Download:43/0
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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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View/Download:32/0
  |  
Submit date:2020/01/10
Poroelastic wave equations
Inhomogeneous media
Wave simulation
Multiscale method
PML absorbing boundary