本模型研究了在恒定频率下驱动的二维声悬浮器，几何结构作了一定程度的简化，弹性小颗粒在驻声场中均匀释放，确定了这些颗粒在声辐射力、黏性阻力以及重力影响下的路径。(In this model, a two-dimensional acoustic levitator driven at a constant frequency is studied. The geometric structure is simplified to a certain extent. Small elastic pa