UniversityEngineeringFTCS diffusion, upwind advection and lake flushing15–20 min
Grid Transport Lab
Choose a time step so explicit FTCS diffusion stays stable (r ≤ 0.5) and conserves mass, set the Courant number so an upwind pulse reaches a target cell, and tune flushing or decay so a well-mixed lake reaches a target concentration.
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Theory and model assumptions
Choose a time step so explicit FTCS diffusion stays stable (r ≤ 0.5) and conserves mass, set the Courant number so an upwind pulse reaches a target cell, and tune flushing or decay so a well-mixed lake reaches a target concentration.
Teacher guidance
University, Computational Transport Modelling
Expected time: 15–20 minutes.