First , modeling language and method of system dynamic analysis has been put forward . through introduce two modeling language which have been widely applied in engine dynamic simulation system at present such as process - oriented structure language and object - oriented physical system language , object - oriented modeling method is represented in full 首先研究系统动态分析的建模语言与方法,通过介绍目前广泛应用于发动机动态分析和模拟的两种语言环境即面向过程的结构化语言和面向对象的物理系统建模语言,详细阐述了面向对象的发动机建模方法。