the effect of flexural base on the characteristic of transfer force and radiated sound power of structure is analysised.
分析螺旋桨横向力引起的水下结构辐射噪声的振动声辐射规律及控制方法。
the effect of main factors, such as the thickness of the model, the distribution of symmetric forces excited on the model, and different kind of ribs, on the radiated sound power has been analyzed.
对于影响围壳模型辐射声功率的主要因素,比如围壳模型厚度、不同的加肋情况和激励力分布等,进行研究分析其对围壳辐射声功率的影响。
similarity rules were derived for a finite cylindrical shell, characterized by radiated sound power and radiation efficiency.
以水中有限长圆柱壳体为理论模型 ,用辐射声功率和辐射效率作为表征量导出了相似律。