The authors extend the Convergent Born Series method to heterogeneous density via a first-order system and universal split-preconditioner, validating it against analytical and time-domain solutions.
A convergent Born series for solving the inhomogeneous Helmholtz equation in arbitrarily large media
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Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density
The authors extend the Convergent Born Series method to heterogeneous density via a first-order system and universal split-preconditioner, validating it against analytical and time-domain solutions.