In this paper, coordination accuracy calculating program is developed based on studying the main way and method of solving coordination problem, which is able to calculate self-motion and distribute tolerance in reason through input alternant information 研究了解决协调问题的主要方法,由此开发出协调准确度计算软件,具有交互式信息输入、自动计算、合理分配公差等功能。
The paper makes out the calculating program of the surges in throttled ., simple and differential surge tanks with the method of runge-kutta, fortran 90 and the basic formulation of surge tank on the visual fortran background compiler . 4 在windows环境下,使用visualfortran编译平台,从调压室的基本方程出发,采用四阶龙格库塔方法,用fortran90语言编制了阻抗式、简单式及差动式调压室的水位波动计算程序。
Finally, the calculating programs of the processing method of the tested data by doppler radar of the rocket-assisted cartridge have been programmed and the model of the data processing method and the reliability of calculation have been tested and proved by calculation of actual examples 通过编制火箭增程弹多普勒雷达测试数据处理程序,进行实例计算证明,本文推导的数据处理方法正确可靠。该方法可以用于火箭增程弹多普勒雷达测速数据处理。
2 . the fem calculating program of the 3d unstable temperature field is developed, and with the emulator technique, the simulating calculation has also been studied . some examples which have analytic solutions used to validate the program indicate that the program is completely correct . 3 编制了不稳定温度场有限元计算程序,并结合仿真技术,研究了大体积混凝土不稳定温度场的仿真计算方法,在推导典型算例解析解的基础上,验证了计算程序的正确性。
A set of calculating program was compiled by myself, in which calculation speed is fast, calculation results is exact and stability and convergence of numerical calculation is very good, in that continuum of electromagnelism on boundary is considered enough and rtcm is used 独立地编制了一套计算程序,该程序计算速度快,计算结果准确,数值计算结果的稳定性利收敛性都很好,这是由于充分考虑了边界处的电磁场分量的连续性和采用了反射透射系数阵递推算法。
The zero-order, the first-order and the second-order perturbation of the eigenvector are also obtained . on the basis of the above formulas, the calculating program is worked out . a simple supported beam, as an example, is calculated when the anti-bending and the mass of every element are taken as random parameters separately 依据上述计算公式,在matlab环境下编制了计算机分析程序,以简支梁为例,将各单元抗弯刚度和集中质量分别作为不定参数进行摄动计算,通过数值解和理论解的比较,证明了所采用的计算公式和编制计算机分析程序的正确性。
The values of the program are compared with the theoretical values to verify the program and the formulas which are used in the calculation of the statistics of the eigenvalues and the eigenvectors of a structure with random parameters . the second part : on the basis of taylor's expansion of the eigenvalues of structures with random parameters, the formulas calculating the statistics ( the mean value and the variance ) of the eigenvalues and the mode shapes with random parameters are obtained . using the perturbation riccati transfer matrix method, the calculating program is produced 第2部分:根据具有随机参数结构固有频率的taylor展开式,给出了求解具有随机参数结构固有频率和振型的均值和方差计算公式,采用摄动riccati传递矩阵法,编制了求解结构特征值和特征向量统计特性(均值和方差)的计算机应用程序,仍以简基于riccati传递矩阵法的桥梁结构概率损伤识别方法研究支梁为例,将质量密度作为随机参数进行统计特性计算,通过数值解和理论解的比较,证明了公式的正确性,该计算公式为桥梁结构概率损伤识别奠定了理论基础。
To illustrate the feasibility and verify the isolation and re-centring effect of the above system, a series of theory analysis and calculating program is presented in this paper . the following work is done : first, because the constitution relation of shape memory alloys is expressed by differential equation, solving the equation becomes unusual complex . the method of bisection is introduced to carry though value calculation, in this way, the relation of stress and strain is revealed 为了验证上述隔震体系的可行性和合理性,检验其隔振与复位效果,本文进行了一系列理论分析与程序模拟,主要内容有:首先,针对形状记忆合金本构关系中复杂的微分方程组,提出了一种采用对分法的数值求解方法,以得到形状记忆合金材料相变伪弹性过程中的应力?应变关系,编制计算机程序并进行了数值模拟。
This paper firstly explains the significance of researching the continuous enclosure type isolated-phase bus and analyzes the situations in nation and abroad . it presents the calculating method of the structure designing for the continuous enclosure type isolated-phase bus . at the same time, according to the theory, it provides the calculating programs for defining the dimensions of the bus 本文首先阐述了研究全连离相封闭母线的重要意义,并结合国内外的现状进行了分析,提出了全连离相封闭母线的结构设计方法,依据理论计算编制了全连离相封闭母线的截面尺寸的计算程序,可以方便快捷地进行各电压及电流等级全连离相封闭母线的设计计算。
And then, according to finite element theory of reinforced concrete, the main calculating program of " nonlinear finite element ultimate analysis of reinforced concrete thin slabs with complex geometry & boundary condition " is made by using the triangle layered-assembled element of elastic thin slabs and the stress-strain relation by considering concrete as anisotropic material under effecting by two-way stress, and the concrete material model presented by darwin and pechnold, and the yield criterion of concrete presented by kupfer and gerstle 然后根据钢筋混凝土有限元理论,以三角形分层组合式的弹性薄板弯曲单元为基础,考虑混凝土为各向异性材料在双向应力作用下的本构关系,采用darwin和pechnold的混凝土材料模型和kupfer与gerstle等人研究的混凝土破坏准则,编制了“复杂几何形状和边界条件钢筋混凝土薄板非线性有限元极限分析程序”中的核心计算程序。