In the practical engineering,the extreme launch environment leads to greater randomness in the temporal and spatial distribution of the external loads of the underwater vehicle.The existing theory can
In this paper,in situ observations of soil liquefaction data in many major earthquakes worldwide are collected and 14 relative features,such as seismic parameters,soil parameters and soil strength cha
Selecting proper motion parameters to produce proper forces is important in flight control.As for flapping foils whose motion type is sinusoidal,three parameters,the heaving amplitude,the pitching amp
Since the repetition of the finite element analysis process of the electronics cabinet,thermal drawer and other equipment inside the space payload experimental rack,using HyperMeshs secondary developm
The polymer composite material has a wide range of applications in the fields of aerospace,aviation,automobile manufacturing and so on because of its excellent shock absorbing effect,and the dynamic m