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Backwater effect after gaining steady state for few seconds

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Old   September 13, 2019, 13:34
Default Backwater effect after gaining steady state for few seconds
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Mohsin Raza
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Hi ,
I am trying to simulate an open channel flow(a rectangular channel with a slope of almost 10^-6 and) using interfoam. The solution reach to steady state at 3 seconds and remains in steady state for almost 6 to 7 seconds. After that a wave propagate backwards towards the inlet??
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