Abstract
In this work, we will propose and analyse a novel reproducing kernel function-based piecewise approach for solving oscillatory systems of second-order initial value problems (IVPs). Also, the approach can be used to effectively solve wave equations with oscillatory solutions via the space semi-discretisation strategy. Five numerical experiments are implemented to illustrate the remarkable accuracy and efficiency of the present approach.
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Acknowledgements
This research was financially supported by the National Natural Science Foundation of China (NSFC) under Grant 11201041 and 11671200, and China Postdoctoral Science Foundation under Grant 2019M651765.
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Geng, F., Wu, X. Reproducing kernel-based piecewise methods for efficiently solving oscillatory systems of second-order initial value problems. Calcolo 60, 20 (2023). https://doi.org/10.1007/s10092-023-00516-6
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DOI: https://doi.org/10.1007/s10092-023-00516-6
Keywords
- Reproducing kernel
- Highly oscillatory problems
- Multi-frequency oscillatory systems
- Initial value problems