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Parallel multi-stage preconditioners with adaptive setup for the black oil model
期刊论文
COMPUTERS & GEOSCIENCES, 2022, 卷号: 168, 页码: 16
作者:
Zhao, Li
;
Feng, Chunsheng
;
Zhang, Chen-Song
;
Shu, Shi
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2023/02/07
Black oil model
Fully implicit method
Parallel computing
Multi-color Gauss-Seidel smoother
Multi-stage preconditioners
A class of block alternating splitting implicit iteration methods for double saddle point linear systems
期刊论文
NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS, 2022
作者:
Dou, Yan
;
Liang, Zhao-Zheng
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  |  
浏览/下载:10/0
  |  
提交时间:2022/07/19
block alternating splitting implicit iteration
convergence analysis
preconditioning
saddle point problems
Efficient preconditioning techniques for velocity tracking of Stokes control problem
期刊论文
Applied Numerical Mathematics, 2021, 卷号: 165, 页码: 322-338
作者:
Liang, Zhao-Zheng
;
Dou, Yan
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  |  
浏览/下载:10/0
  |  
提交时间:2021/04/12
Eigenvalues and eigenfunctions
Iterative methods
Linear systems
Numerical methods
Optimal control systems
Spectrum analysis
Control problems
Iterative solution methods
Krylov subspace acceleration
Optimal control problem
PDE-constrained optimization
Preconditioners
Preconditioning
Preconditioning techniques
Stokes flows
Velocity tracking
Optimal rotated block-diagonal preconditioning for discretized optimal control problems constrained with fractional time-dependent diffusive equations
期刊论文
APPLIED NUMERICAL MATHEMATICS, 2021, 卷号: 163, 页码: 126-146
作者:
Bai, Zhong-Zhi
;
Lu, Kang-Ya
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  |  
浏览/下载:56/0
  |  
提交时间:2021/04/26
Fractional optimal control problem
Numerical discretizations
Block two-by-two linear system
Preconditioning
Spectral bounds
Krylov subspace iteration methods
Convergence property
Variational inequality transport model on the sphere by the active-set reduced-space algorithm
期刊论文
COMPUTER PHYSICS COMMUNICATIONS, 2021, 卷号: 260, 页码: 10
作者:
Yang, Haijian
;
Yang, Chao
;
Huang, Jizu
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  |  
浏览/下载:22/0
  |  
提交时间:2021/04/26
Transport problem on the sphere
Variational inequality
Parallel computing
Fully implicit scheme
Active-set reduced-space method
Diagonalization-based parallel-in-time algorithms for parabolic PDE-constrained optimization problems
期刊论文
ESAIM-CONTROL OPTIMISATION AND CALCULUS OF VARIATIONS, 2020, 卷号: 26, 页码: 26
作者:
Wu, Shu-Lin
;
Zhou, Tao
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  |  
浏览/下载:9/0
  |  
提交时间:2021/04/26
Parabolic PDE-constrained optimization
PinT algorithm
diagonalization technique
preconditioner
GMRES
BiCGStab
Efficient and robust Schur complement approximations in the augmented Lagrangian preconditioner for the incompressible laminar flows
期刊论文
JOURNAL OF COMPUTATIONAL PHYSICS, 2020, 卷号: 408, 页码: 18
作者:
He, Xin
;
Vuik, Cornelis
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浏览/下载:2/0
  |  
提交时间:2020/12/10
Navier-Stokes equations
Stabilized finite element method
Block structured preconditioners
Schur complement approximations
Augmented Lagrangian preconditioner
Fast matrix splitting preconditioners for higher dimensional spatial fractional diffusion equations
期刊论文
JOURNAL OF COMPUTATIONAL PHYSICS, 2020, 卷号: 404, 页码: 13
作者:
Bai, Zhong-Zhi
;
Lu, Kang-Ya
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浏览/下载:27/0
  |  
提交时间:2020/05/24
Spatial fractional diffusion equations
Shifted finite-difference discretization
Block Toeplitz-like matrix
Block circulant-like matrix
Preconditioning
Eigenvalue distribution
A limited-memory block bi-diagonal Toeplitz preconditioner for block lower triangular Toeplitz system from time–space fractional diffusion equation
期刊论文
Journal of Computational and Applied Mathematics, 2019, 卷号: 362, 页码: 99-115
作者:
Zhao, Yong-Liang
;
Zhu, Pei-Yong
;
Gu, Xian-Ming
;
Zhao, Xi-Le
;
Cao, Jianxiong
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  |  
浏览/下载:5/0
  |  
提交时间:2020/11/14
Gradient methods
Linear systems
Matrix algebra
Partial differential equations
Circulant preconditioner
Fractional differential equations
Krylov subspace method
Toeplitz matrices
WSGD
A limited-memory block bi-diagonal Toeplitz preconditioner for block lower triangular Toeplitz system from time-space fractional diffusion equation
期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2019, 卷号: 362, 页码: 99-115
作者:
Zhao, Yong-Liang
;
Zhu, Pei-Yong
;
Gu, Xian-Ming
;
Zhao, Xi-Le
;
Cao, Jianxiong
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  |  
浏览/下载:11/0
  |  
提交时间:2019/11/15
Block triangular lower Toeplitz matrix
Skew-circulant preconditioner
Krylov subspace methods
Fractional differential equations
WSGD
L2-1(sigma) formula
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