用格林函数，模拟层状介质中地震记录程序

说明：  经典的牛拉法潮流计算matlab程序，IEEE 9 节点、6节点系统 潮流计算(IEEE 9&6 BUS power flow analysis)

基于PSCAD4.5的双馈感应式风力发电系统仿真，矢量控制(Simulation of doubly fed induction wind power generation system based on PSCAD4.5 and vector control)

改进的内聚力模型，二维四节点模型，运用xu-neldman(cohesive element by xu-neeldman)

用红外控制步进电机转动角度，并且用LCD显示，采用51单片机控制，转速误差在1%之内(With infrared control stepper motor rotation angle, and with LCD display, using 51 single-chip microcomputer control, speed error is within 1%)

各种时间之间的转换，包括： 将GPS周和周内秒转换到公历时间， 由公历日期和GPS周内秒计算公历时间， 将公历GPS时间转换到GPS周和周内秒， 将简化儒略日转换到公历时间， 将公历时间转换到简化儒略日， 从儒略日计算公历时间， 将公历时间转换到儒略日等。(The conversion between various times, including: Conversion of GPS weeks and weeks to the calendar time, The calendar time is calculated from the date of the calendar and the seconds within GPS weeks. The GPS time of the calendar is converted to GPS weeks and within seconds, Julian day will simplify the conversion to the calendar time, The Gregorian calendar time to simplify the Julian day, Calculate the Gregorian calendar time from Julian day, Convert calendar time to Julian day.)

主要功能：1.利用油水井井位坐标绘制井位图；2.利用油水井注采液量数据绘制动态曲线图；3.利用油水井注采液量数据，根据容阻模型对井间连通性进行反演，求取注水井注水量平面分配系数，并进行可视化展示。 技术特点：软件自动读取井位信息及油水井注采液量数据，根据改进的容阻模型，利用基于遗传算法的混合优化算法来对模型进行求解，确定表征注采对应关系的参数——连通系数和时间常数，量化表征了注采对应关系，从而指导油田生产为油田开发管理者提供了科学的决策工具。(Main function: 1. wells wells wells by using the coordinate drawing graph; 2. the use of water injection wells drawing dynamic curve of fluid data; 3. the use of oil and water wells injection fluid volume data, according to the volume resistance model of inter well connectivity inversion for the water injection volume plane distribution coefficient, and visual display. Technical features: the software automatically reads the information and the oil injection wells fluid volume data, according to the volume resistance model improved by genetic algorithm, the hybrid optimization algorithm to solve the model based on the determined parameters correlation characterization of injection - connectivity coefficient and time constant, the quantitative characterization of the injection production relationship, so as to guide the oil field the production provides a scientific decision-making tool for oilfield development management.)

说明：  大学高等数学（同济版）的latext编程课件，可供使用者修改(Latxt Programming Courseware of Higher Mathematics (Tongji Edition) for Users to Modify)

说明：  学习VBA for Acad，AUTOCAD二次开发，提高设计制图效率，定制适合自己工作的插件(Learn VBA for Act, AUTOCAD secondary development, improve design and graphics efficiency, customize plug-ins suitable for their own work)

ABAQUS dload子程序，应用于动、静力学计算。(ABAQUS dload subroutine which is applied to dynamic and static calculation.)

This program finds the sum of all integers from 1 up to the number entered, excluding all numbers divisible by 3 and all even numbers that are less than 10 and display sum.