numerical equation的例句大全

Depending on euler equation and continuity equation, the internal waves produced by a moving source in the stably-stratified ocean are analyzed, and the formulas to calculate the perturbation velocity and the numerical calculating method of the internal waves produced by submarine are presented.

从Euler方程和连续性方程出发，分析运动点源在密度层化海洋中产生的内波，给出内波速度场的计算公式及数值计算方法，并给出潜艇艇体效应产生的内波的计算方法。

The inviscid flow is obtained by the numerical solution of fully potential equation.

跨声速无粘流用全速势方程模拟。

Since the mathematical model is nonlinear partial differential equations, and each equation is closely coupled, therefore discretized and solved by numerical methods, the mathematics model solved by finite volume method of FLUENT and finite element method of COMSOL in this paper.

由于数学模型主要是非线性偏微分方程，且各方程耦合很紧密，因此采用数值方法进行离散求解。本文分别采用FLUENT的有限体积法和COMSOL的有限元法来求解数学模型。

The three-dimensional numerical model for a single plane fissure grouting was established. By using time-dependent viscosity constitutive equation, the transient law of grout diffusion behavior, pressure field and velocity field was researched.

建立了单一平板裂隙浆液扩散的三维数值模型，采用粘度时变本构方程，研究了浆液扩散形态、压力场和速度场分布、地下水流量的瞬态规律。

Based on Bernoulli equation of unsteady flow, a random walk model is presented for numerical simulation of unsteady flow in river networks in regional planning.

从非恒定流能量方程出发，建立随机游动模型，用蒙特卡罗方法数值模拟区域规划中的河网水流运动。

With numerical calculation from single mode rate equation of semiconductor laser, the output pulse parameters in time and frequency domains are investigated under different gain switching conditions.

从激光器的单模速率方程出发，利用数值方法研究了在不同的增益开关状态下，输出光脉冲的时域及频域特性。

A high-order numerical method of Incompressible Navier-Stokes equation is presented in this paper.

本文构造了一种不可压缩Navier-Stokes方程的高精度高分辨率数值方法。

A numerical study of the separation flow by Navier-Stokes equation& past a circular cylinder and sphere

N-S方程的分离流计算&圆柱和圆球的粘性绕流明渠中跌坎后突扩分离流数值研究

In this numerical model, Navier-Stokes equation is chosen as the basic equation and discretized by the finite elements method.

模型选用Navier-Stokes方程作为基本方程，以有限元法对基本方程进行离散。

A Numerical Method for Solution of Second-order Nonlinear Ordinary Differential Equation

二阶非线性常微分方程初值问题的一种数值解法

Some discussion for numerical solution of initial value problem of an ordinary differential equation

关于常微分方程初值问题数值解误差的探讨

Analytical numerical solution of partial differential equation in reproducing kernel space

再生核空间偏微分方程解析数值解

Inverse Problem Model of Partial Differential Equation of Formation Damage and Research of its Numerical Algorithm

地层伤害偏微分方程反问题模型及计算方法研究

Application of Zero Equation Turbulence Model for Numerical Simulation of Air Distribution in Train Compartment

零方程湍流模型在列车车厢内气流数值模拟中的应用

It will cost much time for numerical simulation of air distribution in train compartment using k-ε turbulence model, so zero equation turbulence model is used for simulating airflow in train compartment.

采用k-ε湍流模型对列车车厢内气流进行数值模拟需要消耗大量的计算时间，为此，提出了采用零方程湍流模型对列车车厢内的气流组织进行数值模拟；

Numerical Solution of Diffusion Equation of Spherical Particle of Absorbent

球形吸附剂颗粒扩散方程的数值求解

Based on the analysis of a large numerical examples, pressure spike amplitude equation and hertz center pressure formula of heavy loaded point contact elastohydrodynamic lubrication are fitted out by the least squares data fitting method.

在分析大量数值算例的基础上，利用最小二乘法拟合出了重载点接触弹流的二次压力峰公式和赫兹中心压力公式。

based on piso algorithm, numerical simulation of plume flow field is studied by solving navier-stokes equation in three cases: one step and two steps reaction model in combustion chamber, no combustion chamber.

基于压力隐式算子分裂（PISO）算法，通过求解Navier-Stokes方程，对燃烧室内一步反应和两步反应模型、无燃烧室三种情形下尾焰流场进行了数值仿真；

equation of motion and numerical results of two laser-cooled ions in a paul trap

Paul势阱中激光冷却离子的运动方程及数值结果

the numerical results show that the scheme is correct and feasible, and that the vfd life is characterized by lognormal distribution, the accelerated model meets arrhenius equation. accurate calculation of the acceleration parameters enables rapid estimation of vfd life.

数值结果表明，该试验方案是正确可行的，VFD的寿命服从对数正态分布，其加速模型符合阿伦尼斯方程，加速参数的精确计算使得快速估算VFD的寿命成为可能。