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数学与系统科学研究院 [7]
力学研究所 [1]
长春光学精密机械与物... [1]
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期刊论文 [7]
会议论文 [2]
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Iterative two-grid methods for semilinear elliptic equations
期刊论文
OAI收割
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2020, 卷号: 80, 期号: 3, 页码: 522-530
作者:
Zhang, Weifeng
;
Fan, Ronghong
;
Zhong, Liuqiang
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收藏
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浏览/下载:22/0
  |  
提交时间:2020/06/30
Iterative methods
Two-grid method
Convergence
Semilinear elliptic equations
Acceleration of Weak Galerkin Methods for the Laplacian Eigenvalue Problem
期刊论文
OAI收割
JOURNAL OF SCIENTIFIC COMPUTING, 2019, 卷号: 79, 期号: 2, 页码: 914-934
作者:
Zhai, Qilong
;
Xie, Hehu
;
Zhang, Ran
;
Zhang, Zhimin
  |  
收藏
  |  
浏览/下载:37/0
  |  
提交时间:2020/01/10
Weak Galerkin finite element method
Eigenvalue problem
Two-grid method
Two-space method
Lower bound
A DECOUPLING TWO-GRID METHOD FOR THE STEADY-STATE POISSON-NERNST-PLANCK EQUATIONS
期刊论文
OAI收割
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2019, 卷号: 37, 期号: 4, 页码: 556-578
作者:
Yang, Ying
;
Lu, Benzhuo
;
Xie, Yan
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收藏
  |  
浏览/下载:22/0
  |  
提交时间:2020/05/24
Poisson-Nernst-Planck equations
Two-grid finite element method
Decoupling method
Error analysis
Gummel iteration
A strong coupled CFD-CSD method on computational aeroelastity (EI CONFERENCE)
会议论文
OAI收割
2011 2nd International Conference on Mechanic Automation and Control Engineering, MACE 2011, July 15, 2011 - July 17, 2011, Inner Mongolia, China
Xi R.
;
Jia H.
收藏
  |  
浏览/下载:67/0
  |  
提交时间:2013/03/25
In this paper
a strong coupled CFD-CSD method is developed to simulate the aeroelastic phenomena. The CFD solver is based on the finite-volume algorithm for the Navier-Stokes equations on unstructured grid. The CSD solver solves the aeroelastic governing equations in the modal space. Their coupling is realized by a dual-time method. The spring-based smoothing method is adopted to deform and regenerate the aerodynamic grid. Two test cases are selected to validate the authors' method for static and dynamic aeroelastity .The results of the simulation for the static aeroelastic problems of a missile wing show that the Lift Coefficient and Drag Coefficient are severally 7% and 5% lower than those don't consider the elasticity of the wing. The results for the flutter boundary prediction of the AGARD 445.6 wing have been proved much closer to the experiment than using the DLM. This method can describe the effects of fluid viscosity more exactly for highly nonlinear transonic flight conditions. The calculation has proved reliable in the subsonic regime
but not accurate enough in the supersonic regime. 2011 IEEE.
DPD simulation of multiphase flow at small scales
会议论文
OAI收割
2nd International Conference on Computer and Automation Engineering, ICCAE 2010, Singapore, Singapore, February 26, 2010 - February 28, 2010
作者:
Liu MB(刘谋斌)
;
Chang JZ(常建忠)
;
Liu HT
收藏
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浏览/下载:22/0
  |  
提交时间:2017/06/20
Complex geometries
Dissipative particle dynamics
Gas phasis
Grid-based
Lagrangian particle method
Mesoscale
Micro-scale
Micro-scales
Moving interface
Multi-phase fluid flow
Multiphase fluid motion
Multiple components
Numerical example
Particle-particle interactions
Single components
Small scale
Two-component
Viscosity contrast
Weight functions
Local and parallel finite element algorithms for the Navier-Stokes problem
期刊论文
OAI收割
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2006, 卷号: 24, 期号: 3, 页码: 227-238
作者:
He, YN
;
Xu, JC
;
Zhou, AH
;
Aihui Zhou
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收藏
  |  
浏览/下载:13/0
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提交时间:2018/07/30
Navier-Stokes problem
finite element
two-grid method
local and parallel algorithm
Local and parallel finite element algorithms based on two-grid discretizations for nonlinear problems
期刊论文
OAI收割
ADVANCES IN COMPUTATIONAL MATHEMATICS, 2001, 卷号: 14, 期号: 4, 页码: 293-327
作者:
Xu, JC
;
Zhou, AH
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收藏
  |  
浏览/下载:17/0
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提交时间:2018/07/30
adaptive
finite elements
local a priori and a posteriori error
estimates
nonlinear
parallel algorithm
two-grid method
A two-grid discretization scheme for eigenvalue problems
期刊论文
OAI收割
MATHEMATICS OF COMPUTATION, 2001, 卷号: 70, 期号: 233, 页码: 17-25
作者:
Xu, JC
;
Zhou, AH
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收藏
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浏览/下载:8/0
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提交时间:2018/07/30
eigenvalue problems
finite elements
partial differential equations
integral equations
two-grid method
Local and parallel finite element algorithms based on two-grid discretizations
期刊论文
OAI收割
MATHEMATICS OF COMPUTATION, 2000, 卷号: 69, 期号: 231, 页码: 881-909
作者:
Xu, JC
;
Zhou, AH
  |  
收藏
  |  
浏览/下载:16/0
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提交时间:2018/07/30
adaptive
finite elements
local a priori and a posteriori error estimates
nonsymmetric
parallel algorithm
two-grid method