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用晶格玻尔兹曼方法研究小颗粒在涡流中的运动.涡流由流经空腔的流体产生.用动量交换法和压力张量积分法计算颗粒在涡流中的运动轨迹、速度和角速度.最后用张量积分法计算两个不同半径的颗粒在涡流中的运动.
The lattice Boltzmann method is used to study the motion of small particles in a vortex flow, which is generated by the fluid flowing through the cavity.The momentum trajectory, velocity and angular velocity of the particles in the vortex flow are calculated by the momentum exchange method and pressure tensor integration method. Finally, the tensor integral method is used to calculate the motion of two different radius particles in the vortex flow.