本文将虚拟样机技术与计算机随机模拟方法结合，探讨了通过计算机仿真的方法获得桥式起重机主梁应力幅谱的基本途径。
The paper expounds a way to get stress amplitude spectrum of main girders of overhead traveling crane through computer simulation combining virtual prototype technology and computer random simulation.
仿真分析结果表明了虚拟随机路面模拟的各种工况应用于ADAMS虚拟样机技术的可行性与有效性。
The results show that the method of inputting the dummy stochastic road model, which can simulate various kinds of extremity conditions to ADAMS, is feasible and effective.
依据多管火箭发射随机动力学的理论分析，运用虚拟样机软件的二次开发功能，建立了多管火箭发射系统随机仿真模型。
According to the theory of the launching random dynamic of MLRS, the virtual prototype software was re-designed for the random simulation model of MLRS.
依据多管火箭发射随机动力学的理论分析，运用虚拟样机软件的二次开发功能，建立了多管火箭发射系统随机仿真模型。
According to the theory of the launching random dynamic of MLRS, the virtual prototype software was re-designed for the random simulation model of MLRS.
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