查询词典 explicit difference scheme

In order to get the numerical solution, the paper devises a three hierarchic implicit scheme which eliminates the strict restriction of explicit scheme, thus, it can be used in more areas. By using the energy estimation method, the convergence and stability of the difference scheme are proved and the scheme is second order convergence for time and space.

对求解方程构造了一个三层隐式差分格式，消除了显格式的稳定性对计算步长的严格限制，使之适用范围更广，并用能量估计的方法严格证明了差分格式的收敛性与稳定性，该格式对于时间和空间均具有二阶收敛性。

A high precise explicit difference scheme for solving three-dimensional parabolic equation is constructed and studied.

构造和研究了三维抛物型方程的高精度显式差分格式。

These methods will be studied separately with the Euler implicit difference scheme and the Euler explicit difference scheme.

第一种方法是两层有限元Galerkin方法，第二种方法是修正有限元Galerkin方法，对这几种算法我们分别在欧拉显式差分格式和欧拉隐式差分格式下进行讨论研究。

Second-order-accuracy non-oscillatory and non-free-parameters dissipative finite difference scheme and explicit time-marching method were used to obtain numerical solutions.

采用二阶精度无波动、无自由参数的耗散差分格式和显式时间推进法求出数值解。

The time-marching method and explicit finite volume difference scheme are employed to solve the flow inside the turbo-machinery.

教授的粘性体积力法来模拟粘性对叶轮机械内部流动的影响，采用时间推进法和有限体积差分格式对叶轮机械内部的流动进行求解。

For the American put option and binary option which do not have analytical solution, we propose algorithms based on explicit scheme and implicit difference scheme and then

对不存在解析解的美式看跌期权和两值期权分别给出了显式、隐式差分算法，并对格式的相容性、稳定性、收敛性进行了分析。数值实验结果表明这种方法是有效而实用的。

An asynchronous staggered iteration FEM method with explicit difference scheme is suggested to solve solid-liquid coupling dynamic elastoplastic problem.

提出了一个新的次塑性模型并用试验作了初步验证，建议用异步交叉迭代显式差分有限元求解固液耦合动力弹塑性问题。

For dynamic problem, the unsimultaneous staggered iteration FEM method with explicit central difference scheme is used for the elasto-plastic analysis of the dynamic response of a soil foundation. The computed results show good agreement with soil mechanic knowledge.

对于动力问题，采用异步交叉迭代显式有限元解法，对典型的地基算例进行了固液耦合的有限元动力弹塑性反应分析，结果定性符合土力学的一般规律。

Here, the theory and the deducing process of the SEM based on the Legendre polynomial is given. The SEM can get a global diagonal mass matrix, which leads to a very simple explicit time difference scheme and high efficiency. Numerical simulation in the transversely isotropic medium are shown and the results approved that the SEM is a effective method for seismic wave modeling.

文中阐述了基于Legendre多项式的谱元法的理论和推导过程，该方法可以形成全局对角质量矩阵，在时间域使用显式的差分算法，提高运算效率，最后通过横向各向同性介质的数值计算，模拟结果表明该方法是一种有效的数值模拟方法。

Three-dimension parabolic equation ; high precision ; explicit difference scheme ; truncation error

三维抛物型方程；高精度；显式差分格式；截断误差

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。