Li Wang, PhD

This is a good benchmark for fluid-structure-acoustics interaction, and it is simple with analytical soultion. In this simulation, a periodic Gaussian sound source is interacting with a rigid sphere in the flow field, and the sound field can be well captured by the penalty immersed boundary method. See section 3.6 in ref.

This is a 2D direct numerical simulation of the sound generation of a 2D MAV, which has a circular body and two elliptical wings flapping periodically. By using the developed immersed-boundary method based solver, both the aerodynamics and sound can be well captured. See section 3.4 in ref.

This is a direct numerical simulation (DNS) of the aerodynamics and aeroacoustics of a 3D flexible flapping wing simultaneously for the first time, which explored a range parameters in including the inertial and flexible effects of the wing on the aerodynamics and acoutics performance. By using the DNS, it is found that the low mass ratio wing with suitable flexibility can reduce the noise generation and maintain good aerodynamic performance. See ref for more details.