Open AccessNumerical Simulation of Acoustic Scattering by a Cylinder Based on the Enhanced Optimized Scheme
Author(s) -
Siqi Yuan,
Ruixuan Ma,
Conghai Wu,
Shuhai Zhang
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/2101/1/012030
Subject(s) - scattering , cylinder , wavelength , physics , acoustics , acoustic wave , radius , euler equations , mechanics , computational physics , optics , mathematics , geometry , computer science , computer security , quantum mechanics
The enhanced optimized scheme we developed in the early work is employed to simulate the scattering of acoustic waves from a two-dimensional cylinder by solving the Euler equations. The numerical results of a benchmark problem are found to be in excellent agreement with the exact solution. Our numerical results show that when acoustic waves propagate through a cylinder, the acoustic scattering results in a spatial redistribution of the acoustic energy as well as an alteration of the phase of the waves. The directivities of the scattered fields change significantly for the different length ratios of acoustic wavelength to the radius of the cylinder.