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lattice boltzmann methods中文是什么意思
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- 中文翻译
- 造句
- 格波尔兹曼方法
- lattice n. 1.格子。 2.【物理学】点阵；网络。 3.【建筑 ...
- method n. 1.方法，方式；顺序。 2.(思想、言谈上的)条理 ...
- boltzmann 玻耳兹曼; 波尔兹曼; 这种气体不遵循经典的; 组成的气体
- boltzmann-faktor boltzmann-factor 波茨曼因子
- methods (方法)：是指定给对象的函数。在函数被指定给对象之后，该函数就可以被称为是该对象的方法。; 方式; 理论; 套套; 研究方法
- methods of 个案工作的方法
- boltzmann approximation 波尔兹曼近似
- boltzmann constant 玻耳曼常; 玻耳兹曼常数，玻耳兹曼常量; 玻耳兹曼常数，玻耳兹曼恒量; 玻尔兹曼常量; 玻尔兹曼常数; 波耳兹曼常数; 波尔兹曼常数; 波兹曼常数; 波子曼常数
- boltzmann distribution 玻耳兹曼分布; 波耳兹曼分布定率; 波尔兹曼分布; 麦克斯韦-玻尔兹曼分布
- boltzmann equation 玻耳兹曼方程; 玻尔兹曼方程; 波尔兹曼方程; 波兹曼方程式; 输运方程
- boltzmann factor 玻耳兹曼系数; 玻耳兹曼因子; 波尔兹曼因数
- boltzmann fluid 玻尔兹曼流体
- boltzmann formula 玻耳兹曼公式; 玻尔兹曼公式
- boltzmann law 玻耳兹曼定律
- boltzmann machine 波耳兹曼机; 博尔茨曼机
- boltzmann number 波尔兹曼数
- boltzmann operator 玻耳兹曼算符
- boltzmann principle 玻耳兹曼原理
- boltzmann relation 玻耳兹曼关系; 玻尔兹曼关系; 波耳兹曼关系式
- boltzmann statistics 玻耳兹曼统计; 玻尔兹曼统计
- ludwig boltzmann 玻尔兹曼; 路德希玻耳曼
- lattice n. 1.格子。 2.【物理学】点阵；网络。 3.【建筑】格构。 crystal lattice 晶体；【物理学】点阵，晶格。 a lattice frame 格子框架。 vt. 1.把…制成格子状。 2.用格子覆盖[装饰]。
- boltzmann distribution law 玻耳兹曼分布定律; 玻耳兹曼分布律; 玻尔兹曼分布律; 玻尔兹曼分布率; 波尔兹曼分布定律
- boltzmann distribution principle 玻耳兹曼分布原理
- boltzmann einstein system of equations 玻耳兹曼-爱因斯坦方程组
- In this background , the lattice boltzmann method comes forth and progresses rapidly as an attractive numerical computation method
格子法就是在此背景下孕育发展起来的一种极具魅力的数值计算方法。 - The lattice boltzmann method is a rising method of numerical simulation . it comes from the discrete movement theory and has been applied to simulate fluid flow and heat transfer
格子boltzmann方法是一种新兴的数值模拟方法，它从离散运动论出发，在介观尺度上研究流体的流动和传热机理。 - In the third chapter , lattice boltzmann method is introduced into the reserch of traffic - flow , the lattice boltzmann model for determined traffic flow is proposed directly departing from the lw model of determined traffic
第3章将latticeboltzmann方法引入交通流的研究中，直接从交通流的宏观lw模型出发，建立了交通流的latticeboltzmann模型。 - A two - dimensional multicomponent lattice boltzmann model is developed and its accuracy is proved through theoretical deduction and numerical simulation . boundary condition and stabilization of the lattice boltzmann method are also discussed
本文建立了二维两相流格子boltzmann模型，通过理论推导证明了格子boltzmann模型的正确性，并分析了格子boltzmann模型的边界条件和稳定性。 - In the second chapter , firstly , the development of lattice boltzmann method is introduced simply . and the essential idea and function of lattice boltzmann model are forth , and the other hand , several typical mathematical of fluid dynamics of traffic - flow are presented and analyzed and compared with each other . the characteristics and scope of application of these models are also dicussed
在第2章中，首先简单介绍了latticeboltzman方法的发展，阐述了lattice模型的本质及其建模过程；然后，重点介绍了交通流理论中的流体力学模拟理论的几种有代表性的数学模型，分析并比较了这几种交通流流体力学模型，指出了模型的特点、适应范围，并作出了几点评述。 - Numerical stability , the other issue of the lattice boltzmann method , is discussed in chapter 5 . corresponding to the uniform and shear background flow , the stability of d2q7 d2q9 and d3ql5 model is analyzed through the von neumann linear stability theory , both the conclusion about the mass distribution parameters , the wave number , the relaxation time and the uniform velocity , and the linear stability criterion n r0 . 58 are instructive to numerical simulation of flow
第五章考虑了数值方法另外一个方面的问题，在均匀流和剪切流两种背景流场下，运用vonneumann线性分析法，针对d2q7 、 d2q9及d3q15格子模型，分析了质量分布参数、波数、松弛时间和平均流速等决定模型稳定性的主要参数对模型稳定性的影响，得到了对流场数值计算具有指导意义的一般性结论与线性稳定性标准n r _ e ~ ( 0 . 58 ) 。 - Aiming at the key issues of lattice boltzmann method applications in engineering design , the main work , based on the extensive inquisition and pursuing the evolution and status in quo , is presented as following : firstly , the intrinsic relationship between lattice boltzmann method and other traditional numerical methods is interpreted through the chapman - enskog expansion and multi - scale analytic technique . and the essential idea and foundation of lattice boltzmann model are set forth
本文在广泛调研，追踪国内外研究进展及现状的基础上，针对目前格子法在工程应用中所面临的主要问题，开展了以下几方面的研究工作：首先运用chapman - enskog展开及多尺度分析技术，揭示了格子法与传统数值计算方法间的内在联系，阐述了格子模型的思想本质及其建模过程。 - According to the mathematic modeling principle of physical problem , the error of lattice boltzmann model is analyzed in chapter 3 . the nonlinear deviation term from the navier - stokes equation is given , and the main model coefficients , such as speed of sound , viscosity and so on , are verified by numerical computation , the results show that the lattice boltzmann method has second order precision in space and in time which satisfy the engineering application , whereas , the compressible effect ca n ' t be neglected along with mach number increasing , and must be reduced or eliminated
其次，按照物理问题数学建模的原则，对格子法的误差进行了分析，给出了格子bgk方程再现navier - stokes方程时的压缩误差项，并数值验证了格子模型的声速及粘性系数等相关参数的精度，表明格子模型尽管具有时空二阶精度，能满足工程计算的要求，但随着mach数增大，压缩误差逐渐成为主要误差，必须予以消除。
Lattice Boltzmann methods (LBM) (or Thermal Lattice Boltzmann methods (TLBM)) is a class of computational fluid dynamics (CFD) methods for fluid simulation. Instead of solving the Navier?Stokes equations, the discrete Boltzmann equation is solved to simulate the flow of a Newtonian fluid with collision models such as Bhatnagar-Gross-Krook (BGK).
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Last modified time:Wed, 13 Aug 2025 00:29:56 GMT
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