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Mitigating horizontal divergence ‘‘checker-board’’ oscillations on unstructured triangular C-grids for nonlinear hydrostatic and nonhydrostatic flows
Unstructured mesh modeling Triangular C-grid Implicit (elliptic) and explicit filtering Horizontal divergence error Secondary circulation
2015/6/30
A complication of finite-volume triangular C-grid methods is the numerical emergence of horizontal divergence errors that lead to grid-scale oscillations in vertical velocity. Nonlinear feedback via a...