Abstract
Direct simulation of aero-acoustic waves has been successfully simulated by the finite difference lattice Boltzmann method (FDLBM). So far the sound waves emitted from a stationary body, such as the Aeolian tone or edge tone, but more demands are expected for direct simulation of aero-acoustic waves emitted from moving bodies, especially, rotating bodies such as fans and rotors. Then we proposed the FDLBM with the arbitrary Lagrangian Eulerian (ALE) formulation. In this report, we simulated the acoustic waves emitted from three-dimensional rotor by the FDLBM with the ALE formulation, and good result is obtained.
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