This is a preview. Log in through your library . Abstract A scaling argument is used to derive reflectionless sponge layers to absorb outgoing time-harmonic waves in numerical solutions of the ...

This is a preview. Log in through your library . Abstract It is computationally advantageous to solve a finite-difference approximation to Poisson's equation ∇ · (σ ∇ P) + H = 0 in an infinite domain, ...