A. Imperiale
We derive an efficient numerical scheme for transient wave propagation in configurations where a fluid domain and a solid domain are separated by a thin coating material. These type of configurations are numerically challenging for multiple factors: managing fluid solid coupling, enabling non-conform space discretizations, and rendering robust time discrete algorithm w.r.t the thin layer thickness. By combining the mortar element method with effective transmission conditions we are able to address these challenges. We illustrate our approach by proposing relevant 2D numerical illustrations inspired from simple ultrasonic testing experiments.
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Published on 24/11/22Accepted on 24/11/22Submitted on 24/11/22
Volume Computational Applied Mathematics, 2022DOI: 10.23967/eccomas.2022.145Licence: CC BY-NC-SA license
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