The Numerical Solution Option tab in the Hydrodynamics provides access to several of the numerical solutions schemes available in EFDC. The 2-Time Level and 3-Time Level solutions are primary, as shown in 244056087 Figure 1. The standard case for Buoyancy Forcing is the Internal Pressure Gradient option. Other options can still be set in the EFDC.INP file if the user wants to make such a change, but they should understand the options and ensure the sub-models selected are correct if they make a change.
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