The normal mode model is one of the most popular approaches for solving underwater
sound propagation problems. Among other methods, the finite difference method is widely …

In this paper, an approach for the reduction of trailing edge noise due to flow scattering from
a semi-infinite splitter plate is proposed. It utilizes the fluid–structure interactions of well …

Solving an acoustic wave equation using a parabolic approximation is a popular approach
for many existing ocean acoustic models. Commonly used parabolic equation (PE) model …

The parabolic approximation has been used extensively for underwater acoustic
propagation and is attractive because it is computationally efficient. Widely used parabolic …

Many problems in fluid mechanics and acoustics can be modelled by Helmholtz scattering
off poro-elastic plates. We develop a boundary spectral method, based on collocation of …

The propagation of sound waves in a horizontally stratified environment, a classic problem
in ocean acoustics, has traditionally been calculated using normal modes. Most programs …

The accuracy and efficiency of sound field calculations highly concern issues of
hydroacoustics. Recently, one-dimensional spectral methods have shown high-precision …

The sound of a vortex ring passing near a semi-infinite porous edge is investigated
analytically. A Green's function approach solves the associated vortex sound problem and …

Kernel density estimation on a finite interval poses an outstanding challenge because of the
well‐recognized bias at the boundaries of the interval. Motivated by an application in cancer …

Direct Numerical Simulation (DNS) is adopted to investigate the acoustic response of a
NACA-0012 airfoil with an elastic serrated trailing-edge (TE) extension. To study the airfoil …