数值算法

Four bands Runge - Kutta method for ordinary differential equations, numerical algorithm of the function subroutine.

4阶龙格库塔方法求常微分方程的数值算法的函数子程序。

The program source code can be achieved in the C programming language of the basic algorithm.

该程序源码能够实现在C语言编程情况下的一些基本的数值算法。

The basic equations of structure are derived from Hamilton variational principle and the constitution of material utilizes the increment theory.

基于Hamilton变分原理导出圆柱壳的运动方程，本构关系采用增量理论，借助增量数值算法求解动力方程组。

The symplectic method and numerical method provide an idea for other researches also.

这种辛方法和数值算法为解决其他问题提供了一种可行的思路。

According to the discrete material balance equation of control volume,a new numerical scheme based on PEBI grid and CVFE grid is provided,where absolute permeability is in tensor form.

根据所建立的单个控制体离散形式的物质平衡方程，基于 PEBI和 CVFE网格，采用任意形式的渗透率张量，建立了相应的数值算法。

According to the discrete material balance equation of control-volume,a new numerical scheme based on PEBI grid and CVFE grid is provided,where absolute permeability is in tensor form.

摘 要：根据所建立的单个控制体离散形式的物质平衡方程，基于PEBI和CVFE网格，采用任意形式的渗透率张量，建立了相应的数值算法。

Based on the synthesizing of the present achievements of numerical algorithm, thermotics, welding mechanics and creep theory, the numerical simulation of mechanical behavior and processing parameters for the local PWHT is achieved in this dissertation.

本文综合了数值算法、焊接传热学、焊接热力学和蠕变理论的成果实现了局部热处理过程力学行为和工艺参数的计算机模拟。

The quenching process computer simulation combined with practical production was developed based on the synthesizing of the present sophisticated achievements of numerical algorithm, heat conduction, thermotics and transformation dynamics, solid mechanics analysis, and the accuracy of model was testified. The studies of this dissertation made an attempt on the application of quenching simulation into the practical productions.

综合现有先进的数值算法、传热学、相变动力学和固体力学分析的研究成果，对淬火应力场进行结合实际生产计算机模拟，并验证了模型的准确性，为淬火模拟应用于实际生产作了初步尝试。

A simplified numeric algorithm expression for solving transcendental equation of optical constants was obtained by analyzing the test principle of ellipsometer. A Microsoft Windows based calculating program for optical constants of thin films with "Solve Block" module of MathCAD by ellipsometer was developed. It can be used to calculate refractive index and thickness of thin films with little absorption or even no absorption as its feature.

通过对椭圆偏振仪测试原理的分析，得到求解薄膜光学常数超越方程的数值算法简化公式，并利用MathCAD的"Solve Block"模块开发了基于Windows系统的椭圆偏振测量薄膜光学常数的计算程序，该程序可用于单层有吸收薄膜或无吸收薄膜折射率和厚度的计算。

A simplified numeric algorithm expression for solving transcendental equation of optical constants was obtained by analyzing the test principle of ellipsometer. A Microsoft Windows based calculating program for optical constants of thin films with "Solve Block" module of MathCAD by ellipsometer was developed.

通过对椭圆偏振仪测试原理的分析，得到求解薄膜光学常数超越方程的数值算法简化公式，并利用MathCAD的"Solve Block"模块开发了基于Windows系统的椭圆偏振测量薄膜光学常数的计算程序，该程序可用于单层有吸收薄膜或无吸收薄膜折射率和厚度的计算。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。