Code-verification techniques for the method-of-moments implementation of the combined-field integral equation

Freno, Brian A.; Matula, Neil R.

doi:10.1016/j.jcp.2023.112231

Code-verification techniques for the method-of-moments implementation of the combined-field integral equation

Journal Article · Thu May 18 00:00:00 EDT 2023 · Journal of Computational Physics

DOI:https://doi.org/10.1016/j.jcp.2023.112231· OSTI ID:2311427

^[1]; Matula, Neil R. ^[1]

Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Code verification plays an important role in establishing the credibility of computational simulations by assessing the correctness of the implementation of the underlying numerical methods. In computational electromagnetics, the numerical solution to integral equations incurs multiple interacting sources of numerical error, as well as other challenges, which render traditional code-verification approaches ineffective. In this paper, we provide approaches to separately measure the numerical errors arising from these different error sources for the method-of-moments implementation of the combined-field integral equation. Here, we demonstrate the effectiveness of these approaches for cases with and without coding errors.

View Accepted Manuscript (DOE)

Research Organization:: Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: NA0003525

OSTI ID:: 2311427

Alternate ID(s):: OSTI ID: 1975881

Report Number(s):: SAND--2023-06365J

Journal Information:: Journal of Computational Physics, Journal Name: Journal of Computational Physics Vol. 488; ISSN 0021-9991

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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