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The Dynamic Response Analysis of Launch Vehicle with ReducingPayload’s Fundamental Frequency
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Abstract:
In this article we lead different fundamental frequency to the launch vehicle’s longitudinal model.By changing the frequency, vehicle’s dynamic response analysis is analyzed with finite element method and calculate the acceleration/element force response on payload with the changing of jet thrust . It discovers that the fundamental frequency affects the dynamic response of the launch vehicle;The effect is more patency on payload than other parts;The smaller frequency is,the bigger acceleration response of payload.
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GUO Feng, WAN Xiao-peng, ZHAO Mei-ying, SUN Ke. The Dynamic Response Analysis of Launch Vehicle with ReducingPayload’s Fundamental Frequency[J]. Advances in Aeronautical Science and Engineering,2013,4(4):438-442