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- 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。
- 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。
- 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。
- 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。
- collisionless Boltzmann equation 符拉索夫方程
- 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.
- Keywords phonon;thermoequilibrium;Boltzmann equation;Landau equation; 声子;热平衡;玻耳兹曼方程;郎道方程;
- collisionless Boltzmann equations 无碰撞玻耳兹曼方程
- 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
- I can't make this equation come out. 我不会解这个方程式。
- As a component of Lorentz force. 安培力的实质是洛仑兹力.
- But Ampere force is Lorentz force nature. 安培力对它作功。
- What does x represent in this equation? 这个方程式中的x代表什么?
- Arcotel Boltzmann : Photos and direct prices! 现在就可以拿到绝佳的价钱!
- Lorentz force changes not the speed but the direction of velocity. 洛伦兹力改变运动电荷的速度方向,而不能改变速度的大小。五、
- maxwell boltzmann equation 麦克斯韦 玻耳兹曼方程
- The ESB spectra of PA are found to be singlet and Lorentz. 发现稀土聚乙炔的ESR谱都为单线谱,符合Lorentz线型;
- The equation of wealth with happiness can be dangerous. 把财富与幸福等同起来是很危险的
- The Lorentz symmetry of spacetime forms the core of relativity. 时空的劳仑兹对称是构成相对论的核心。