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Simulation Study on Dynamic Response Characteristics of Projectile-Borne Recorder Under Impact Loading
Abstract
Dynamic finite element simulation models of two projectile-borne recorder structures with different natural frequencies are established. The dynamic response characteristics with different elastic modulus of buffer materials under different pulse width of half sinusoidal signals impact loading are analyzed. The simulation results show that the acceleration peak value decreases with the increasing of elastic modulus of buffer under low frequency loading, which is contrary to under high frequency loading. And it increases firstly and then decreases with the increase of loading frequency, which is opposite in different loading frequency bands for two structures. The acceleration peak value of circuit component with low natural frequency is larger than that with high natural frequency when a half sinusoidal signal acts with low frequency, which is contrary to that with high frequency
DOI
10.12783/ballistics2019/33216
10.12783/ballistics2019/33216
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