搜索结果: 1-15 共查到“知识库 MHD”相关记录81条 . 查询时间(0.046 秒)
开发高性能的磁流体力学数值模拟方法是提高空间天气数值预报研究的一个重要方面.有限体积法的逆风分裂格式具有良好的间断捕获能力，Steger-Warming和AUSM（Advection Upstream Splitting Method）是逆风分裂格式FVS（Flux Vector Splitting）方法中具有代表性的两种格式.采用这两种格式求解具有伽利略不变性的扩展型广义拉格朗日乘子磁流体力学（...
Eigenvalues, Eigenvectors and Symmetrization of the Magneto-Hydrodynamic (MHD) Equations
Eigenvalues Eigenvectors MHD
2015/6/23
Eigenvalues, Eigenvectors and Symmetrization of the Magneto-Hydrodynamic (MHD) Equations。
基于全球三维磁层MHD（Magnetohydrodynamics）模拟模型， 研究了行星际磁场（Interplanetary Magnetic Field， IMF）北向与南向时磁尾横断面（X=?18 RE）的结构及等离子片的粒子注入机制. 模拟结果很好地符合一些已知的观测数据和经验模型. 从向阳面磁层顶IMF及重联后磁力线尾向运动过程的角度， 对磁尾横断面粒子热压力分布、磁力线投影、等离子片或电...
Plane Stagnation Double-Diffusive MHD Convective Flow with Convective Boundary Condition in a Porous Media
Plane Stagnation Double-Diffusive MHD Convective Flow and Porous Media
2013/1/30
A numerical analysis has been carried out to study the problem of plane stagnation double-diffusive MHD convective flow with convective boundary condition in a porous media. The governing nonlinear pa...
Long-time properties of MHD turbulence and the role of symmetries
Long-time properties MHD turbulence the role of symmetries Fluid Dynamics
2012/4/20
We investigate long-time properties of three-dimensional MHD turbulence in the absence of forcing and examine in particular the role played by the quadratic invariants of the system and by the symmetr...
Heat Generation Effects on MHD Natural Convection Flow along a Vertical Wavy Surface with Variable Thermal Conductivity
Natural Convection Magnetohydrodynamics Heat Transfer Wavy Surface Temperature Dependent Thermal Conductivity Heat Generation
2013/1/30
The heat generation effects on magnetohydrodynamic(MHD) natural convection flow along a vertical wavy surface with variable thermal conductivity have been investigated. The governing boundary layer eq...
Analysis of 3D MHD Instability of Antisolar Latitudinal Differential Rotation in F, G and K stars
Analysis Instability Latitudinal Differential Rotation
2011/10/8
Motivated by observations that only a very few stars have been found to have antisolar differential rotation, much weaker in amplitude than that of the Sun, we analyze the stability of antisolar and s...
A non-ideal MHD Gadget: Simulating massive galaxy clusters
MHD - magnetic fi elds - methods: numerical - galax- ies: clusters
2011/9/28
Magnetic fields in the intra-cluster medium of galaxy clusters have been studied in the past years through different methods. In the next years the up-coming generation of radio telescopes is going to...
High Lundquist Number Resistive MHD Simulations of Magnetic Reconnection: Searching for Secondary Island Formation
Lundquist Number Resistive MHD Simulations Magnetic Reconnection
2011/9/9
Recently, secondary island formation due to the tearing instability of the Sweet-Parker current sheet was identified as a possible mechanism that can lead to fast reconnection (less sensitive dependen...
自然频率对 MHD 问题的促进效应再探
MHD 问题 真正的自然频率 促进效应
2012/11/21
通过 Gegerenzer 主张的一种真正的自然频率格式所表达的 MHD 问题，对单纯采用自然频率格式能否在 MHD 问题的解决中产生促进效应重新进行检验。结果发现：采用真正的自然频率格式能够对 MHD问题的解决产生促进效应。
Hodograph transformations in unsteady MHD transverse flows
Hodograph and Legendre transformation porous media
2010/11/1
Hodograph-Legendre transformation have been used to find exact solutions of equation of motion governing the two dimensional unsteady viscous incompressible electrically conducting fluid flows under t...
Radiation effects on natural convection MHD flow in a rotating vertical porous channel partially filled with a porous medium
Natural convection radiation permeability
2010/9/21
The unsteady natural convection MHD flow of a rotating viscous electrically conducting fluid in a vertical channel partially filled by a porous medium with high porosity in the presence of radiation e...
Radiative MHD flow over a non-isothermal stretching sheet in a porous medium
Stretching sheet porous medium thermal radiation
2010/9/27
In this communication, we present a numerical study for the steady twodimensional radiative MHD boundary−layer flow of an incompressible, viscous, electrically conducting fluid caused by a non-i...
Mathematical analysis on MHD pulsatile flow of blood through a rough thin-walled elastic tube
Pulsatile two-phase flow Elastic tube Phase velocity
2010/9/27
In this paper, the effect of an externally applied uniform transverse magnetic field on pulsatile flow of blood containing particles through a rough thinwalled elastic tube has been studied. The inter...
3D numerical MHD modeling of sunspots with radiation transport
MHD – radiative transfer – Sun sunspots – Sun photosphere – Sun magnetic
2010/11/10
Sunspot fine structure has been modeled in the past by a combination of idealized magneto-convection simulations and simplified models that prescribe the magnetic field and flow structure to a large d...