The low frequency noise of the ring-stiffened cylinder with double shell is depressed by increasing structure stiffness, the numerical simulation is adopted to evaluate the acoustics performance, find that the vibration and acoustic radiation of the struc
The low frequency noise of the ring-stiffened cylinder with double shell is depressed by increasing structure stiffness, the numerical simulation is adopted to evaluate the acoustics performance, find that the vibration and acoustic radiation of the struc
摘要通过增大双层加肋圆柱壳的刚度降低低频噪声，使用数值仿真技术，评价结构的声学性能，发现增大双层加肋圆柱壳结构刚度，可在低频段有限频率范围降低结构的振动与声辐射。