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January 1, 2014, 12:59
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1D second order upwind
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New Member
peter_3m
Join Date: Dec 2013
Posts: 1
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Hi all,
I am working on modeling hydrodynamic flow using a 2nd order upwind scheme (2nd order Runge-Kutta for the temporal discretization). The code mainly involves solving the Saint-Venant’s equation (SWE) for a one-dimensional flow with a given boundary condition. Here I have attached the code. While running the model it has a problem both in stability and accuracy. But, according to the classical boundary condition that I used, it has to converge to a uniform 1m flow depth throughout the profile. Could anyone help me please? Regards, |
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