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- The Navier Stokes equations and the energy equation were derived from the BGK type lattice Boltzmann equation by the Chapman Enskog method. 利用 Chapm an- Enskog方法从 BGK型的格子Boltzmann方程推导出了 Navier- Stokes方程和能量方程。
- By using Chapman-Enskog expansion and multi-scales technique, we obtained a series lattice Boltzmann equations and conservation law in the time scale t0. We select simple equilibrium distribution functions to get moments for the pressure wave equations. 通过使用Chapman-Enskog展开和多重尺度技术;得到了一系列的格子Boltzmann方程和时间尺度t0上守恒律;给出了满足地震压力波方程所要求的高阶矩以及简单的平衡态分布函数表达式.
- Lattice Boltzmann Equation for Transient Flow of Long-distance Water Supply Pipeline 玻尔兹曼网格方程在长输管道瞬变流中的应用
- lattice Boltzmann equation 格子Boltzmann方程
- Since it was first proposed in 1988, the lattice Boltzmann method (LBM) has attracted much attention. 自从1990年基于单弛豫时间近似的晶格玻尔兹曼方法(lattice Boltzmannmethod,简写为LBM)提出以来,对LBM方法及其应用的研究引起了人们广泛的兴趣,关于LBM及其应用每年一届的国际会议已连续开了十二届。
- Sukop and Thorne: Lattice Boltzmann Modeling: An Introduction for Geoscientists and Engineers, 2005. 该书较为简单,适合新手入门使用,并且书中附有相关程序代码。
- A multispecies,multispeeds lattice Boltzmann model is presented to study the mass diffusion properties. 该模型满足流体质量扩散方程和运动方程。
- The lattice Boltzmann method has only a few velocities,thus,the equilibrium distribution simpler than the Maxwell Boltzmann distribution. ( 3 )LBM使用的是几个速度 ,平衡态分布函数比Maxwell Boltzmann分布函数简单。
- The procedure of phase transition from supersaturated gas into droplets was simulated in a multiple lattice Boltzmann method. 摘要用晶格玻尔兹曼方法真实地再现了过饱和气体成核凝结成液滴的过程。
- The analysis on the entropy equation shows that the BGK Boltzmann equation meets the entropy condition strictly,implying that the BGK method meets the entropy condition. 通过对熵方程分析表明,BGK波尔兹曼方程严格满足熵条件,从而阐释了BGK模拟方法满足熵条件。
- The team used discrete lattice Boltzmann method (lattice boltzmann method, referred to as lbm) a ratio of more than two-dimensional model. 研究小组使用离散格子玻尔兹曼方法(latticeboltzmannmethod,简称lbm)建立了一个二维多比例模型。
- On the basis of Lattice Boltzmann method,a dynamical model is proposed for the simulation of particle movement in vortex flows. 格子玻尔兹曼方法是一种新的流体数值计算方法,它具有形式简单、相互作用局域、完全并行、边界条件易于施加等特点。
- This method is developed on the basis of molecular dynamics, Brownian dynamics and lattice boltzmann method, together with others’s strong points. 这种方法是在分子动力学、布朗动力学及格子波尔兹曼等方法基础上发展而来,集成了这些方法的优点,而摒弃了其缺点。
- Lattice Boltzmann Method (LBM) is a kind of mesoscale computational fluid dynamics (CFD) technology that has risen up since 80’s of last century. 格子-Boltzmann方法(Lattice Boltzmann Method)是上世纪80年代以来兴起的一种介观层次计算流体力学(Computational Fluid Dynamics, CFD)数值方法。
- It means to study the flow by simulating the molecules movement in the flow.So it is also called lattice Boltzmann method, or lattice gas automaton. 该方法多用于研究复杂现象,如材料晶体凝聚时的生长过程、城市土地利用的演化等方面。
- In this paper, we use a kind of singular perturbation method to find the normal solution of the Boltzmann equation with small Knudsen number. It is proved that the secular terms may be removed by improving the Hilbert expansion and Enskog expansion. 本文用奇异扰动方法讨论了具有小Knudsen数的Boltzmann方程的正规解,证明把Hil-bert展开和Enskog展开加以改进可以消除久期项。
- Navier|Stokes equations are derived by the Chapman|Enskog method from the BGK Boltzmann equation. 利用Chapman Enskog方法 ,从BGK型Boltzmann方程推导出Navier Stokes方程。
- In the recent years, Lattice Boltzmann Method (LBM) has been developed as a new tool for simulating fluid flows, heat transfer and other complicated physical phenomena. 格子-Boltzmann方法是近年来得以迅速发展的一种模拟流体流动、换热和其他复杂物理现象的数值方法。
- The one dimensional simulation revealed the agreement of the method with the free molecular flow, the exact solution of the continuum flow and the precise solution of the Boltzmann equation. 一维模拟显示其与自由分子流,连续介质的准确解和玻尔兹曼精确数值解相符。
- Lattice Boltzmann method(LBM) has recently been proved competitive for studying the domain of fluid flow for various physics systems with complex boundary. 摘要简要介绍了三维晶格玻尔兹曼方法,它是模拟流体流动以及为复杂物理现象建模的一个新工具。
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