Graphs DG, Aeroacoustic Problems

Radiation Boundary Conditions, Characteristic Boundary Conditions

Time harmonic source problem - Scattering by cylinder surface.
The computed pressure field using P3 local space and characteristic boundary conditions at the far field boundary part, see mypaper[3j].

Acoustic pulse scattering by a cylinder surface.
The computed pressure field using P3 local polynomial space and
characteristic boundary conditions at the boundaries, see my paper [3j].

Time harmonic source problem. Left: the pressure computed field using P3 local space using characteristic boundary conditions, Right: the variation of the L2 error measured on the boundary elements at every time step.

Propagation and reflection from a solid wall of an acoustic pulse.
The compute pressure field using radiation boundary conditions at the far field boundary parts.