Updates on Alternative Solver for FATES-hydro Enhancements
Explore the latest updates on alternative solvers for FATES-hydro model, including a new solver for improved flow calculations and addressing non-convergence issues. Enhance your soil hydrology simulations with these advanced solutions.
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Presentation Transcript
Updates on alternative solver for FATES-hydro Yilin Fang, Ruby Leung, Ryan Knox, Chonggang Xu, Brad Christofferson, Nathan Collier and Charlie Koven
Native Solver 1 2 3 4 .. 8 9 1: x x 2: x x x 3: x x x 4: x x x 5: x x x .. 9: x x
New Solver For each connection Ci, there is a downstream node (conn_dn(Ci)) and an upstream node (conn_up(Ci)). Loop over the number of connections to calculate the flow between nodes. For each node, calculate the residuals of mass conservation equation. Make use of variables of the native solver so that other functions (restart, history, interface with land model etc.) won t be affected. Time step is reduced if solution does not converge at a given time step, then incremented to the original time step before starting a new time step for soil hydrology.
New Solver 1 2 3 4... 10 58 1: x x 2: x x x 3: x x x _ _ _ _ _ x _ _ _ _ _ x 4: x x x _ _ _ _ _ _ _ _ _ _ _ 5: x x x 9: x x 10 x x x 11 x x x ...
Issues Non-convergency!
