通过数值计算，分析了材料参数和球体的半径比对孔穴生成和增长的影响，并与相应的静态结果进行了比较。
The influence of the material parameters on the void formation and growth is considered by numerical computation and the results are compared with those for static analysis.
根据数值计算结果，提出一个计算束半径的近似公式。
According to the results of numerical calculation, the proximate formula of estimating radius of the beam was developed.
通过数值计算，获得稳定平衡半径，以及它与驱动声压的相关性。
By numerical calculation, the steady ambient radius together with its dependency on the driving pressure is obtained.
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