Ganesh, M.; Morgenstern, C. A coercive heterogeneous media Helmholtz model: formulation, wavenumber-explicit analysis, and preconditioned high-order FEM. (English) Zbl 1436.35079 Numer. Algorithms 83, No. 4, 1441-1487 (2020). MSC: 35J05 65N30 35J20 65F08 65F10 PDFBibTeX XMLCite \textit{M. Ganesh} and \textit{C. Morgenstern}, Numer. Algorithms 83, No. 4, 1441--1487 (2020; Zbl 1436.35079) Full Text: DOI
Ganesh, M.; Morgenstern, C. High-order FEM domain decomposition models for high-frequency wave propagation in heterogeneous media. (English) Zbl 1409.78007 Comput. Math. Appl. 75, No. 6, 1961-1972 (2018). MSC: 78M10 65N30 65N55 PDFBibTeX XMLCite \textit{M. Ganesh} and \textit{C. Morgenstern}, Comput. Math. Appl. 75, No. 6, 1961--1972 (2018; Zbl 1409.78007) Full Text: DOI
Ganesh, M.; Morgenstern, C. A sign-definite preconditioned high-order FEM. I: Formulation and simulation for bounded homogeneous media wave propagation. (English) Zbl 1422.65385 SIAM J. Sci. Comput. 39, No. 5, S563-S586 (2017). MSC: 65N30 35J05 65F08 65F10 35J20 PDFBibTeX XMLCite \textit{M. Ganesh} and \textit{C. Morgenstern}, SIAM J. Sci. Comput. 39, No. 5, S563--S586 (2017; Zbl 1422.65385) Full Text: DOI
Ganesh, M.; Morgenstern, C. High-order FEM-BEM computer models for wave propagation in unbounded and heterogeneous media: application to time-harmonic acoustic horn problem. (English) Zbl 1382.76163 J. Comput. Appl. Math. 307, 183-203 (2016). MSC: 76M10 76M15 65N30 65N38 76Q05 PDFBibTeX XMLCite \textit{M. Ganesh} and \textit{C. Morgenstern}, J. Comput. Appl. Math. 307, 183--203 (2016; Zbl 1382.76163) Full Text: DOI