The dynamics of multiple cavitating bubbles is numerically simulated, with the ambient pressure lower than the saturated vapor pressure, using a pseudopotential lattice Boltzmann method (LBM) coupled with the Carnahan-Starling equation of state. Dual-bubble and multi-bubble systems are tested, and the method for the bubble cluster is validated. It is found that the bubble can either grow or collapse in the early stage, depending on the configuration of the bubble cluster, characterized by the bubble number, the inter-bubble distance and the initial radii. In the induced flow, the bubbles are mutually interacted. Scaling relations of the interaction are proposed according to the numerical results. With consideration of the interactions, the simplified Rayleigh-Plesset equations (RPEs) for multiple bubbles can describe the evolution of the bubbles approximately. The results may serve as the basis for improved cavitation models.

使用伪势格子玻尔兹曼方法（LBM）结合Carnahan-Starling状态方程，在环境压力低于饱和蒸气压的情况下，对多个空化气泡的动力学进行了数值模拟。测试了双气泡和多气泡系统，并验证了气泡聚类的方法。发现气泡可以在早期阶段增长或崩溃，这取决于气泡簇的构造，其特征在于气泡数，气泡间距离和初始半径。在诱导流中，气泡相互相互作用。根据数值结果提出了相互作用的比例关系。考虑到相互作用，多个气泡的简化Rayleigh-Plesset方程（RPE）可以大致描述气泡的演化。结果可作为改进空化模型的基础。