NISTRefprop9.1

北京航空航天大学发动机结构强度与振动大作业之一(One of the major operations of the strength and vibration of the aero engine at Beihang University)

经典弹簧质量的车桥耦合程序，ansys平台编写(Vehicle bridge coupling program with classical spring mass, written on ANSYS platform)

PBR一个用来作PB资源文件的工具,有了它就可以自已方便地制作PB的资料文件了.(PBR used as a resource document PB tool With it could easily produce their own PB information documents.)

并联机构动力学方程的建立以及matlab仿真详细注释程序(Establishment of dynamic equation of parallel mechanism and detailed annotation program of MATLAB simulation)

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.)

说明：  滑动轴承弹流润滑程序，压力，油墨厚度等等，十分方便(The elastohydrodynamic lubrication procedure, pressure, ink thickness and so on are very convenient)

说明：  迭代计算算法，能够完成收敛分析，求解非线性方程根的一个很有效的方法。(Iterative algorithm can complete convergence analysis and solve the roots of non-linear equations.)

环保局污染设备在线控制系统(商业源码).完整,实用的VC写的控制系统,下位分析设备采样控制系统. (Environmental Protection Agency pollution equipment on-line control system (commercial source). A complete, practical, written in VC control systems, under-sampling analysis equipment control systems.)

说明：  abaqus中vumat下铝的fortran本构，二次开发，只适用于初学者，非常简单的那种(FORTRAN constitutive model, secondary development, elementary study)

The power electronic drive controls the rate of induction motor by V/F method.