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.
通过以上两种不同的模拟方法，本论文分别阐述了拉伸破坏实验、压缩破坏实验以及电测法测定材料弹性模量和泊松比的仿真软件设计与开发的方法。
Through the two different methods, this paper discusses how to develop the experimental simulation software: tensile test, compressive test, strain measurement of Young modulus and Poisson ratio.
通过对海浪模拟信号的仿真，实验结果表明，该方法可以有效实现测量信号的高精度积分变换，为实际信号的测量提供了新的有效方法。
Simulation result of wave signal demonstrates the high precision of this method in acceleration integration transformation and indicates this method is effective for practical measurement.
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