国家自然科学基金(10901122)

作品数:6被引量:6H指数:2
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相关作者:安荣李开泰李媛更多>>
相关机构:温州大学西安交通大学更多>>
相关期刊:《Journal of Computational Mathematics》《Acta Mathematicae Applicatae Sinica》《计算数学》《应用数学学报》更多>>
相关主题:VARIATIONAL_INEQUALITYSTOKES_PROBLEMKINDITERATION_METHODSTOKES更多>>
相关领域:理学建筑科学环境科学与工程更多>>
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Accuracy Analysis of the Boundary Integral Method for Steady Navier-Stokes Equations around a Rotating Obstacle
《Acta Mathematicae Applicatae Sinica》2016年第2期529-536,共8页Rong AN Kai-tai LI 
the National Natural Science Foundation of China(No.10901122,No.11001205);Zhejiang Provincial Natural Science Foundation of China(No.LY12A01015)
This paper deals with the boundary integral method to study the Navier-Stokes equations around a rotating obstacle. The detail of this method is that the exterior domain is truncated into a bounded domain and a new ex...
关键词:Navier-Stokes equations rotating obstacle exterior domain boundary integral method error analysis 
具有梯度限制的四阶障碍问题的增广Lagrange迭代方法
《计算数学》2013年第1期11-20,共10页安荣 李媛 
国家自然科学基金项目(10901122和11001205);浙江省自然科学基金项目(LY12A01015和Y6110240)资助
基于加罚方法和增广Lagrange泛函,本文给出了一种求解具有梯度限制的四阶障碍问题的增广Lagrange迭代方法,并证明了算法的收敛性.通过采用非协调有限元离散的数值实验表明,该算法是行之有效的.
关键词:四阶障碍问题 梯度限制 增广Lagrange方法 有限元方法 
OPERATOR SPLITTING SCHEMES FOR THE NON-STATIONARY THERMAL CONVECTION PROBLEMS
《Journal of Computational Mathematics》2011年第4期474-490,共17页Hongen Jia Kaitai Li Haiyan Sun 
Acknowledgments. The work of the first author was supported by the grants of the National Natural Science Foundation of China (10971165, 10901122, 11001216, 11026051).
In this work, a new numerical scheme is proposed for thermal/isothermal incompressible viscous flows based on operator splitting. Unique solvability and stability analysis are presented. Some numerical result are give...
关键词:θ scheme STABILITY Isothermal incompressible viscous flows. 
Uzawa Iteration Method for Stokes Type Variational Inequality of the Second Kind被引量:3
《Acta Mathematicae Applicatae Sinica》2011年第2期303-316,共14页Yuan Li Kai-tai Li 
Supported by the National Natural Science Foundation of China(No.10571142,No.10701061,No.10901122, No.10971165 and No.11001205)
In this paper, the Uzawa iteration algorithm is applied to the Stokes problem with nonlinear slip boundary conditions whose variational formulation is the variational inequality of the second kind. Firstly, the multip...
关键词:Stokes problem nonlinear slip boundary variational inequality Uzawa iteration algorithm 
LOCALLY STABILIZED FINITE ELEMENT METHOD FOR STOKES PROBLEM WITH NONLINEAR SLIP BOUNDARY CONDITIONS被引量:1
《Journal of Computational Mathematics》2010年第6期826-836,共11页Yuan Li Kai-tai Li 
supported by the National Natural Science Foundation of China(10901122);Zhejiang Provincial Natural Science Foundation (Y6090108);supported by the National Natural Science Foundation of China(10971165)
Based on the low-order conforming finite element subspace (Vh, Mh) such as the P1-P0 triangle element or the Q1-P0 quadrilateral element, the locally stabilized finite element method for the Stokes problem with nonl...
关键词:Stokes Problem Nonlinear Slip Boundary Variational Inequality Local Stabilized Finite Element Method Error Estimate. 
四阶障碍问题的稳定化混合有限元方法被引量:2
《应用数学学报》2009年第6期1068-1078,共11页安荣 李开泰 
国家自然科学基金(10901122)资助项目
本文讨论了四阶障碍问题的稳定化混合有限元方法.首先,引入网格依赖范数,通过加罚方法得到了与四阶障碍问题的等价的混合变分形式.随后给出了基于C^O协调有限元空间(W_h,V_h)的混合有限元逼近,例如P_k-P_k三角形有限元.在网格依赖范数下...
关键词:四阶障碍问题 稳定化混合有限元 加罚方法 误差估计 
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