Papers › Barrier Simulations and Experimental Calculations Using Cell Merging Method

Barrier Simulations and Experimental Calculations Using Cell Merging Method

17 Dec 2021arXiv:2112.09566links table onlyarchive 2025-07-28

Chanyang Ryoo, Kyle Mandli

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We apply the cell merging method to a model shallow water problem with a permeable boundary. We use a cut cell approach which is more easily and systematically scalable with different shapes of boundaries. The novel cell merging method presented in this paper uses both wave propagation algorithm and gradient reconstruction for second order corrections, along with minmod and Barth-Jespersen limiters. We observe second order convergence in two model problems, one with a linear boundary and other with a composite, V-shaped boundary. We assess the effectiveness of these two boundaries by doing a realistic scenario including an island and observing inundation at the peak of the island.

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