但目前的特征有限元方法大多是对拟线性标量方程给出。
However, the mostly existed characteristic methods are the schemes for the quasilinear scalar equations.
从动能定理出发，推导出一个对速度瞬心轴的角动量定理，它是一个简便的标量方程。
In accodance with kinetic energy theorem, this paper presents an angular mo- mentum theorem of velocity instantaneous centre axis. This theorem is a simple and convenient scalar equation.
计算量采用修正标量位，这样在同样的节点数下相对于矢量位它可以减少联立方程的阶数。
The modified scalar potential is used to reduce the order of the coupled equations in the comparison with the vector potential under the same node number.
他们的解析解法对我们寻求标量场方程的解析解有着重要的启发意义。
This method is helpful for us to find the way of the analytic solution of scalar field equation.
以标量波动方程和隧道效应为例子，说明纤维光学中波动分析与量子力学方法的相似性。
Taking scalar wave equation and tunnel effect for example, the similarity of fiber optics to quantum mechanics was shown.
将辛算法运用到标量波动方程的时域模拟中。
The symplectic integrator method is applied to time evolution of the scalar wave equation.
给出了相对论荷电粒子体系的分布函数，并证明了它的洛伦兹标量性质；建立了推广的刘维尔方程并证明了它的协变性。
The specific distribution function of a relativistic kinetic system is given and its Lorentz scalar property is proved. A relativistic generalized Liouville equation is established.
为此它以矢量磁位的积分表达式和洛仑兹规范代替了矢量磁位和标量电位的积分表达式，对积分方程进行展开。
To do that, the integral definition of vector magnetic potential and the Lorentz gauge is used to expand the integral equation of the PEEC model.
本文主要研究高维空间中带有退化粘性的标量守恒律方程的光滑解的整体存在性，以及该解逼近强平面稀疏波的衰减率。
This paper is concerned with the decay rates of the solution to the strong planar rarefaction waves for scalar conservation laws with degenerate viscosity in several space dimensions.
根据双标量各向同性弹性损伤理论，提出了一个土体损伤模型，给出了相应的损伤演化方程。
Based on double scalar isotropic damage theory, a new soil damage model and damage evolution equations were presented.
在非结构化网格中，数值求解标量扩散方程(导热方程)是当今数值计算的基础问题。
It is one of the basic problems to study the heat conduction equation (the diffusion equation) using numerical method on unstructured grids.
本方法从光波导的标量变分关系出发，通过状态方程对问题求解计算。
By using scalar variational principle, the numerical transfer function equations are derived.
通过引入静电场的标量位函数，将电场强度的矢量泊松方程转化为位势的椭圆型偏微分方程的诺依曼边值问题。
And the problem is converted to the typical Neumann boundary value problem for the elliptic equations by inducing the scalar potential function.
本文研究用有限元法求标量波动方程的数值解。
This paper mainly describes how to get the numerical solution of the scalar wave equation by finite element method.
本文根据标量波动方程，导出了色散公式及波导色散和模场直径间的关系。
In this paper, the relation between the dipersion formula, the waveguide dipersion and the mode field diameter is derived, based on the scale wave equation.
它满足麦克斯韦方程标量形式和基尔霍夫边界条件，包括传播波和衰减波。
It satisfies the Maxwell's scalar equations and Kirchhoff's boundary conditions and includes propagating waves and evanescent waves.
它满足麦克斯韦方程标量形式和基尔霍夫边界条件，包括传播波和衰减波。
It satisfies the Maxwell's scalar equations and Kirchhoff's boundary conditions and includes propagating waves and evanescent waves.
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