Abstract
Natural frequency and modes of rocket sled system were gained by modal analysis. In order to decrease the influence of the resonance on the structure destruction, vibration characteristics of rocket sled was analyzed as dynamic testing after designing of sled structure. The rocket sled geometry is established in Solid Works and the geometry is imported into ANSYS Workbench to conduct a modal analysis in order to obtain the natural frequency and vibration model of track and single track sled. Frequency dimension and deformation position were obtained. The results shows that natural frequency of track and single track sled differed greatly and resonance of sled system hadn't happen as dynamic test.
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