vibration and sound radiation的意思|示意

After carrying out a theoretical analysis of vibration and sound radiation of mill cylinder, simulation for acoustic field has been preceded by boundary element method.

本文对球磨机筒体的振动和声辐射进行了理论分析，然后结合边界元方法对筒体辐射声场进行了仿真分析。

Based on the potential theory, an expanding contracting virtual boundary element method (ECVBEM) is presented to solve the vibration and sound radiation from a cavity with an arbitrary shape.

以位势理论为基础，提出了求解含任意形状空穴外场声辐射的伸缩虚拟边界元法。

The results indicate that the vibration of thin flat plane loudspeaker with four corners fixed is anomalistic and the vibration radiation at far sound field doesn't have any directionality.

分析结果表明固定四角薄型平板的振动是不规则的，在远声场振动辐射是无指向性的。

Influences of various types of damages on natural frequencies, vibration modes, acoustic radiation power and directivity of sound are studied.

考虑到不同损伤存在形式，计算分析了损伤对振动频率、模态以及声辐射特性的影响。

The vibration and sound radiation behaviors of the stern of submarine with rudder and vane are studied.

针对带有舵翼的水下航行器尾部结构模型，研究舵翼对水下航行器尾部的振动及声辐射的影响。

Controlling the volume velocity of vibration plate has previously been shown to be a good strategy to reduce its overall sound radiation and vibration energy.

控制振动板结构的体积速度是降低结构总声功率和振动能量的一种有效策略。