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数学与系统科学研究院 [6]
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A fourth-order unfitted characteristic finite element method for free-boundary problems
期刊论文
OAI收割
JOURNAL OF COMPUTATIONAL PHYSICS, 2022, 卷号: 469, 页码: 19
作者:
Ma, Chuwen
;
Zheng, Weiying
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收藏
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浏览/下载:21/0
  |  
提交时间:2023/02/07
Free-boundary problems
Unfitted characteristic finite element
methods
Convection-diffusion equation
Navier-Stokes equations
Initial boundary value problems for the three-dimensional compressible elastic Navier-Stokes-Poisson equations
期刊论文
OAI收割
ADVANCES IN NONLINEAR ANALYSIS, 2021, 卷号: 10, 期号: 1, 页码: 1356-1383
作者:
Wang, Yong
;
Wu, Wenpei
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收藏
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浏览/下载:42/0
  |  
提交时间:2021/10/26
Elastic Navier-Stokes-Poisson equations
Initial-boundary value problems
Global solution
Exponential decay
Liouville theorem for poly-harmonic functions on R-+(n)
期刊论文
OAI收割
ARCHIV DER MATHEMATIK, 2020, 页码: 11
作者:
Dai, Wei
;
Qin, Guolin
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收藏
  |  
浏览/下载:17/0
  |  
提交时间:2020/05/24
Liouville theorems
Poly-harmonic functions
Super poly-harmonic properties
Harmonic asymptotic expansions
Navier problems
Liouville type theorem for higher order Henon equations on a half space
期刊论文
OAI收割
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2019, 卷号: 183, 页码: 284-302
作者:
Dai, Wei
;
Qin, Guolin
;
Zhang, Yang
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收藏
  |  
浏览/下载:39/0
  |  
提交时间:2020/01/10
The method of scaling spheres in integral forms
Henon equations
Liouville theorems
Nonnegative solutions
Navier problems
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
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浏览/下载:72/0
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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.
Solutions of Navier equations and their representation structure
期刊论文
OAI收割
ADVANCES IN APPLIED MATHEMATICS, 2009, 卷号: 43, 期号: 4, 页码: 331-374
作者:
Cao, Bintao
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收藏
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浏览/下载:22/0
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提交时间:2018/07/30
Navier equations
Lame equations
Polynomial solutions
Bases
Initial value problems
On nonoverlapping domain decomposition methods for the incompressible Navier-Stokes equations
期刊论文
OAI收割
ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2005, 卷号: 39, 期号: 6, 页码: 1251-1269
作者:
Xu, XJ
;
Chow, CO
;
Lui, SH
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收藏
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浏览/下载:16/0
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提交时间:2018/07/30
nonoverlapping domain decomposition
incompressible Navier-Stokes equations
finite elements
nonlinear problems
Numerical experiments on one-dimensional model of turbulence
期刊论文
OAI收割
Physics of Fluids, 1984, 卷号: 27, 期号: 8, 页码: 1957-1965
作者:
Qian J
收藏
  |  
浏览/下载:1026/71
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提交时间:2009/08/03
COMPUTATIONAL FLUID DYNAMICS, ONE DIMENSIONAL FLOW, TURBULENCE, TURBULENCE MODELS, BOUNDARY VALUE PROBLEMS, BURGER EQUATION, KOLMOGOROFF THEORY, NAVIER-STOKES EQUATION