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25.5 Density-Based Solver

The density-based solver in FLUENT solves the governing equations of continuity, momentum, and (where appropriate) energy and species transport simultaneously as a set, or vector, of equations. Governing equations for additional scalars will be solved sequentially (i.e., segregated from one another and from the coupled set), in a manner described in Section  25.2. Two algorithms are available for solving the coupled set of equations, the coupled-explicit formulation and the coupled-implicit formulation.

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