In this work, moving meshes will be employed to solve unsteady computational
problems, while maintaining high-order, and high-accuracy. The main problem of
interest is that of a plunging piston. The plunging piston problem, first presented in
the First Workshop for Computational Aeroacoustics.
Typically, computational aeroacoustics is seperate from aeroelasticity, a field where
moving surfaces is integral. This project will join the two field, attempting to resolve
propagating waves from a moving boundary. While this particiular problem has been
attempted before, it was done using boundary conditions.
This project’s main goal is to bridge the gap between computation fluid dynamic
disciplines, creating a general standalone mesh morpher, enabling a new breed of
acoustic problems to be solved.
To do this, a highly efficient method of moving the mesh will need to be developed.
Since the code uses high-order schemes to resolve the small sound waves, the mesh
mover must be methods which keep the grid metrics continuous and smooth.