计算程序

We also have, thanks to Bok from Free-DC, an x86_64 Linux app for the first time.

感谢来自 Free-DC 的 Bok，我们终于有了第一个 x86_64 的 Linux 计算程序。

Basic solving method for boundary elements is given and corresponding computer program was written.

给出了边界元的基本求解方法，并编制了相应的计算程序。

1Algorithm of approximating to a domain bounded by multiple curves anddistinguishing different material regions and inheriting of stresses ispresented.

提出了对多种曲线构成区域的网格逼近和材料分区识别、应力继承的算法，实现了四边形单元弹塑性自适应有限元计算程序。

A structure analysis program for FEM is worked out to analyzing linear and nonlinear buffeting behavior in time domain.

为了方便对实际桥梁进行线性和非线性时域抖振分析，作者还编制了大型有限元结构计算程序。

Calculating programmes of time finite element procedures are developed for structural dynamic analysis. Some practical considerations are presented for applications.

编制了结构动力分析的时间有限元计算程序，并针对编程中遇到的一些具体问题研究并采取了有效的解决方法。

Programming of the fractal dimension based on Windows platform can be done using Visual Basic and Validated by means of lines, rectangles, Cantor Dust and Koch Curve.

利用Visual Basic完成了基于Windows平台的分形维数计算程序的设计，并以直线、矩形、康托尘、科赫曲线等分形图形对其进行了检验。

In this research, the plane 2D mathematical model under Cartesian coordinate system and the

首先建立了直角坐标系正交网格下的平面二维数学模型及复杂边界适体坐标条件下的三维紊流数学模型，对方程的离散差分格式、控制方程的求解、初始边界条件、动边界处理等问题进行了分析研究，并编制相应的计算程序。

However, in many practical problem of the linear system question, the linear system of equations has some important characteristic especially in leaning differential equation method and limited element method.

另外，与直接法相比，迭代法还具有一些明显的优点，比如占用计算机的内存单元少、计算程序比较简单、收敛速度比较快等，从而成为近年来解线性方程组采用较多的方法。

Critical pressures of the cylindrical shells stiffened by rings with semi-torus section and by circular tube are calculated and compared.

在公式推导的过程中，考虑了加肋的实际分布情况，并编制了计算程序，对半圆环界面加肋圆柱壳和圆管加肋圆柱壳的临界水压进行了比较。

A numerical calculation program is written up for the various solution methods in this paper and the program is being used in various aspects of inverse problem of environmental hydraulics, including inverse problem in reverse process of one-dimensional unstable diffusion, inverse problem in reverse process of convection-diffusion, inverse problem for the dispersion coefficient in water quality model, The inverse problem of coefficient identification for nonlinear Boussinesq equation, parameter identification inverse problem for water quality model, the inversion of parameter of BOD-DO water model, the inverse problem of the source of convection-diffusion, identification of the steady-state permeability for two dimensional isotropic medium, two-dimensional steady inverse problem of convection-diffusion and parameter identification inverse problem for two-dimensional parabolic equation, etc.

对本文提出的各种算法，编制了数值计算程序，并把它应用于环境水力学反问题诸多领域，包括污染物一维非恒定扩散逆过程反问题，对流扩散方程逆过程反问题，河流水质纵向弥散系数反问题，非线性Boussinesq方程反问题，河流水质多参数识别反问题，BOD-DO水质模型参数反演问题，对流—扩散方程源项反问题及二维恒定各向同性介质渗透系数反问题，二维定常对流——扩散方程及二维抛物型方程参数控制反问题等。

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。