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- W2943020716 abstract "ABSTRACT A basic hypothesis adopted for theoretical formulation of fluid flows is the hydrostatic pressure distribution. However, many researchers have pointed out that this simplification can lead to errors, in cases such as dam break flow. Discrepancy between computational solution and the experiment is attributed to the pressure distribution. These findings are not new, but it is not presented any formulation in the literature that considers the non-hydrostatic pressure distribution in 2D flow. This article deduces the Boussinesq Equations as an evolution of the Shallow Water Equations with the hypothesis of non-hydrostatic pressure distribution in the vertical direction. XYZ Orthogonal Cartesian System is used, considering the influence of channel bed slope and head losses of flow. It is presented the non-hydrostatical correction in the Boussinesq equation in two dimension using Fourier series. The solution uses Runge-Kutta Discontinuous Galerkin Method and the formulation is applied to a cylindrical dam-break." @default.
- W2943020716 created "2019-05-09" @default.
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- W2943020716 date "2019-01-01" @default.
- W2943020716 modified "2023-09-26" @default.
- W2943020716 title "Two-dimensional Boussinesq equations applied to channel flows: deducing and applying the equations" @default.
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- W2943020716 doi "https://doi.org/10.1590/2318-0331.241920180159" @default.
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