A Novel Coupled Meshless Model for Simulation of Acoustic Wave Propagation in Infinite Domain Containing Multiple Heterogeneous Media

This study presents a novel coupled meshless model for simulating acoustic wave propagation in heterogeneous media, based on the singular boundary method (SBM) and Kansa’s (KS). In proposed approach, SBM was used to homogeneous part of domain, while KS employed heterogeneity. The interface compatibility conditions associated with velocities pressures were imposed couple two methods. SBM–KS approach combines respective advantages KS. is especially suitable solving external sound field problems, attractive nonlinear problems bounded non-homogeneous media. Moreover, new methodology completely avoids grid generation numerical integration compared finite element method. Numerical experiments verified accuracy effectiveness scheme.