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A UNIFORM SPECTRAL ANALYSIS FOR A PRECONDITIONED ALL-AT-ONCE SYSTEM FROM FIRST-ORDER AND SECOND-ORDER EVOLUTIONARY PROBLEMS
期刊论文
SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2022, 卷号: 43, 期号: 3, 页码: 1331-1353
作者:
Wu, Shu-Lin
;
Zhou, Tao
;
Zhou, Zhi
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浏览/下载:0/0
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提交时间:2023/02/07
time-parallel algorithm
diagonalization technique
alpha-circulant preconditioner
stability
spectral analysis
Runge-Kutta method
two-step methods
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
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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
Vertex Displacement-Based Discontinuous Deformation Analysis Using Virtual Element Method
期刊论文
MATERIALS, 2021, 卷号: 14, 期号: 5, 页码: 24
作者:
Luo, Hongming
;
Sun, Guanhua
;
Liu, Lipeng
;
Jiang, Wei
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浏览/下载:40/0
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提交时间:2021/05/25
DDA
VEM
degrees of freedom
projection
NUMERICAL INVESTIGATION OF ENSEMBLE METHODS WITH BLOCK ITERATIVE SOLVERS FOR EVOLUTION PROBLEMS
期刊论文
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B, 2020, 卷号: 25, 期号: 12, 页码: 4905-4923
作者:
Ju, Lili
;
Leng, Wei
;
Wang, Zhu
;
Yuan, Shuai
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浏览/下载:18/0
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提交时间:2021/01/14
Ensemble method
ensemble-based time stepping
block CG
block GMRES
iterative linear solver
A new contact potential based three-dimensional discontinuous deformation analysis method
期刊论文
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, 2020, 卷号: 127, 页码: 23
作者:
Xu, Dongdong
;
Wu, Aiqing
;
Yang, Yongtao
;
Lu, Bo
;
Liu, Feng
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浏览/下载:24/0
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提交时间:2021/05/25
Rock mechanics
Three-dimensional discontinuous deformation analysis
Contact potential
Potential contact force
FEM-DEM
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
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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
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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
Uzawa methods for a class of block three-by-three saddle-point problems
期刊论文
NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS, 2019, 页码: 26
作者:
Huang, Na
;
Dai, Yu-Hong
;
Hu, QiYa
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浏览/下载:58/0
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提交时间:2020/01/10
inexact Uzawa method
saddle-point problem
Uzawa method
Numerical research of nonlinear system of fractional Volterra-Fredholm integral-differential equations via Block-Pulse functions and error analysis
期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2019, 卷号: 345, 页码: 159-167
作者:
Xie, Jiaquan
;
Yi, Mingxu
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浏览/下载:2/0
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提交时间:2019/12/30
Block-Pulse functions
Volterra-Fredholm integral-differential equations
Numerical solutions
Operational matrices
Error analysis
Rocking dynamics of a planar rectangular block on a rigid surface
期刊论文
MULTIBODY SYSTEM DYNAMICS, 2019, 卷号: 45, 页码: 105-125
作者:
Zhao, Zhen
;
Liu, Caishan
;
Wang, Nannan
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浏览/下载:11/0
  |  
提交时间:2019/12/30
Surface impact
Rocking block
Friction
Darboux-Keller approach
Impulsive differential equations
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