基本的方法是以双曲型偏微分方程组的简单波解为根据的。
The underlying method is based on the simple wave solutions of a system of hyperbolic partial differential equations.
锚泊线的运动方程是一组高非线性的偏微分方程组，求解困难。
The dynamic equation of motion chain is a group of high non-linear differential equations, the solution is difficulty.
在圆柱状催化剂内的浓度分布的表征方程为二阶偏微分方程组。
The mathematical model describing the profiles of concentration in the cylindrical catalyst is the nonlinear partial differential equations of second order.
根据一阶拟线性偏微分方程组的特征理论，讨论内弹道两相流方程组的类型。
Following the theory on characteristics of first order quasi-linear partial differential equations, classification of the balance equations for two-phase flow in interior ballistics is discussed.
该模型由描述系统振动的双曲型偏微分方程组及相应的边界条件和周期性条件组成。
This model consists the hyperbolic partial differential equations, boundary conditions and cyclical conditions of the system.
由于决定方程组是超定的、线性的或非线性的偏微分方程组，完全求解它们非常困难。
Because the determining systems are a linear or nonlinear overdetermined PDEs, it is very hard to solve them completely.
控制方程是一维非定常气体动力学偏微分方程组，用隐式中心差分结合特征线法解算。
The numerical solution of the governing equations, pertaining to one-dimensional unsteady gas dynamics, utilizes an implicit finite-difference scheme combined with the method of characteristics.
采用直接求解偏微分方程组的方法生成具有复杂扭曲规律的三元离心叶轮贴体网格坐标。
The body-fitted computational grid for twisted channels of a centrifugal impeller is generated by solving elliptic partial differential equations directly, so that the grid lines are smooth.
根据喉部沉积的传热模型建立了偏微分方程组，采用有限差分完全隐式格式进行数值分析计算。
On this heat transfer model the differential equations were based, and the finite difference complete concealed grids were used in the numerical analysis computation.
传输线可以看作集中参数二端口网络的级联，其数学模型—电报方程是一阶双曲型偏微分方程组。
Telegraph equations, can be looked as cascade connection of two-port network of lumped circuit of transmission line, is a hyperbolic partial differential equations.
对三维波动方程做单程波分解，给出了用低阶偏微分方程组逼近上行波方程的2种高阶近似表达式。
This paper performs one-way wave decomposition for 3d wave equation, and 2 kinds of high approximation of up-going wave equation in low order differential equation system are derived.
根据熔融碳酸盐燃料电池（MCFC）电堆内部物质能量流动分析得出的温度分布数学模型是一组偏微分方程组。
The mathematical model of the temperature distribution based on the analysis of material and energy flow in a molten carbonate fuel cell (MCFC) is a set of partial difference equation group.
本文从混凝土坝分层浇筑坝体温度的实际问题中，抽象出一类抛物偏微分方程组的混合问题，并且证明了其广义解的存在唯一。
In this paper, an abstract mixed problem of a class parabolic differential equations is generalized from the dam body temperature during the stratified placement of concrete dam.
利用微元段内的物料与热量平衡，对固定化酶管式热敏传慈器进行了考察，建立了用联立双曲型偏微分方程组描述的数学模型。
By means of the material and energy balances, this paper establishes a mathematical model to describe the tubular hot-sensitive sensor with immobilized enzyme.
本文提出了一种适合在小型混合计算系统上求解抛物型偏微分方程及方程组的分时迭代法。
An iterative time-sharing method suitable for the solution of parabolic differential equations on a small scale digital-analog hybrid computing system is presented.
在小变形情况下，运用伽辽金方法，可将偏微分方程转换为线性常微分方程组进行求解。
A set of linear ordinary differential equations in the case of sm all deflections is determined by application of the Galerkin's method.
对一阶拟线性偏微分方程与其特征方程组的关系，文中给出了简洁的逻辑分析和推导方法。
The paper has used concise methods of logical analysis and reasoning to describe the relation between the first-order quasilinear partial differential equation and its system of characteristic...
考虑具有介质阻尼及非线性粘弹性本构关系的梁方程，证明了它的有界吸收集和有限维惯性流形的存在性，并由此得到在一定的条件下所给偏微分方程等价于一常微分方程组的初值问题。
The equations of nonlinear viscouselastic beam are considered, The existence of absorbing set and inertial manifolds for the system are obtained, and from which we get that the P D E.
考虑具有介质阻尼及非线性粘弹性本构关系的梁方程，证明了它的有界吸收集和有限维惯性流形的存在性，并由此得到在一定的条件下所给偏微分方程等价于一常微分方程组的初值问题。
The equations of nonlinear viscouselastic beam are considered, The existence of absorbing set and inertial manifolds for the system are obtained, and from which we get that the P D E.
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