Mimetic methods to Helmholtz equation: numerical dispersion
This is the rst in a series of papers in where mimetic nite dierence methods (MFDM) to acoustic scattering are applying. A simple one-dimensional problem has been chosen to
illustrate an implementation of MFDM. This problem consists of an incident at pressure wave that disperses from an innite rigid wall. An absorbent boundary condition is also applied. A study of the order of convergence and numerical dispersion of these methods has been carried out.
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