High-order FEM-BEM computer models for wave propagation in unbounded and heterogeneous media: Application to time-harmonic acoustic horn problem. - Mahadevan Ganesh; Charles Morgenstern (J. Comput. Appl. Math., 2016)

An efficient multigrid algorithm for heterogeneous acoustic media sign-indefinite high-order FEM models. - Mahadevan Ganesh; Charles Morgenstern (Numer. Linear Algebra Appl., 2017)

A Sign-Definite Preconditioned High-Order FEM, Part I: Formulation and Simulation for Bounded Homogeneous Media Wave Propagation. - Mahadevan Ganesh; Charles Morgenstern (SIAM J. Sci. Comput., 2017)

High-order FEM domain decomposition models for high-frequency wave propagation in heterogeneous media. - Mahadevan Ganesh; Charles Morgenstern (Comput. Math. Appl., 2018)

A coercive heterogeneous media Helmholtz model: formulation, wavenumber-explicit analysis, and preconditioned high-order FEM. - Mahadevan Ganesh; Charles Morgenstern (Numer. Algorithms, 2020)