兰州大学机构库

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On Chebyshev accelerated iteration methods for two-by-two block linear systems 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021, 卷号: 391
Authors:  Liang, Zhao-Zheng;  Zhang, GF(张国凤)
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Iterative method  Chebyshev acceleration  Convergence analysis  Block structured linear system  
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
Authors:  Liang, Zhao-Zheng;  Dou, Yan
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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  
Experimental and numerical studies on a new double-stage tandem nesting cyclone 期刊论文
CHEMICAL ENGINEERING SCIENCE, 2021, 卷号: 236
Authors:  Yu, Guoyin;  Dong, Sijie;  Yang, Linna;  Yan, Di;  Dong, Kejun;  Wei, Yi;  Wang, B(王博)
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Cyclone separator  Double stage  Fine particles removal  PM2  5  Three product sorting  
Fast preconditioned iterative methods for fractional Sturm-Liouville equations 期刊论文
NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS, 2021, 卷号: 37, 期号: 3, 页码: 2278-2295
Authors:  Zhang, Lei;  Zhang, GF(张国凤);  Liang, Zhao-Zheng
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fractional Sturm–  Liouville problems  preconditioning  spectral analysis  fast Fourier transform  tensor train  
Finite element method with the total stress variable for Biot's consolidation model 期刊论文
Numerical Methods for Partial Differential Equations, 2021, 卷号: 37, 期号: 3, 页码: 2409-2428
Authors:  Qi, Wenya;  Seshaiyer, Padmanabhan;  Wang, Junping
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Numerical analysis  Numerical methods  Biot's consolidation  Computational experiment  Continuous approximations  Convergence order  Error estimates  Finite element formulations  Fully discrete  Fully discrete scheme  
Finite element method with the total stress variable for Biot's consolidation model 期刊论文
NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS, 2021, 卷号: 37, 期号: 3, 页码: 2409-2428
Authors:  Qi, Wenya;  Seshaiyer, Padmanabhan;  Wang, Junping
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Biot&apos  s consolidation model  error estimate  fully discrete  Taylor–  Hood finite elements  the total stress  
Fast preconditioned iterative methods for fractional Sturm–Liouville equations 期刊论文
Numerical Methods for Partial Differential Equations, 2021, 卷号: 37, 期号: 3, 页码: 2278-2295
Authors:  Zhang, Lei;  Zhang, GF(张国凤);  Liang, Zhao-Zheng
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Computation theory  Iterative methods  Linear systems  Matrix algebra  Numerical methods  Tensors  Discretized systems  Fast convergence speed  Krylov subspace acceleration  Numerical experiments  Preconditioned iterative methods  Preconditioned matrix  Related coefficients  Solution techniques  
A restrictive preconditioner for the system arising in half-quadratic regularized image restoration 期刊论文
Applied Mathematics Letters, 2021, 卷号: 115
Authors:  Zhao, Pei-Pei;  Huang, YM(黄玉梅)
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Conjugate gradient method  Linear systems  Matrix algebra  Newton-Raphson method  Numerical methods  Restoration  Ill conditioned problems  Image restoration problem  Numerical experiments  Preconditioned matrix  Regularization methods  Spectral properties  Structured systems  Symmetric positive definite  
Heterogeneous condensation combined with inner vortex broken cyclone to achieve high collection efficiency of fine particles and low energy consumption 期刊论文
POWDER TECHNOLOGY, 2021, 卷号: 382, 页码: 420-430
Authors:  Zhang, Yumeng;  Jin, Ruizhi;  Dong, Sijie;  Wang, Yanlei;  Dong, Kejun;  Wei, Yi;  Wang, B(王博)
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Fine particles separation  Cyclone  Heterogeneous condensation  Inner vortex broken  Pressure drop  
Higher Order Approximation for Stochastic Space Fractional Wave Equation Forced by an Additive Space-Time Gaussian Noise 期刊论文
JOURNAL OF SCIENTIFIC COMPUTING, 2021, 卷号: 87, 期号: 1
Authors:  Liu, Xing;  Deng, WH(邓伟华)
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Spectral Galerkin method  Modified stochastic trigonometric method  Higher strong convergence rate  Extra regularity