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Courant Number
What is the formula of the Courant number mentioned in tutorial 3?
What if I set it to an extremely small value even if it is not required for my simulation, will this affect the speed of the simulation or the memory consumption?

OpenFOAM General None min None sec 25-02-21, 3:53 p.m. sahar_Nasser


Courant number is given by the following equation:

Here, Δt is the time step size, u is the velocity and Δx is the grid spacing

For extremely small courant number, your time step size will be very small which in turn will increase the simulation time
25-02-21, 3:58 p.m. subhamdas

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