FLUENT 6.3

Core solver improvements are the main focus of the recently released FLUENT 6.3 computational fluid dynamics (CFD) software. A pressure-based coupled solver joins the existing solver options and improves solution efficiency, as well as convergence and robustness for many cases. Also new are polyhedral meshes, which allow the flexibility of an unstructured mesh to be applied to complex geometries without the overhead associated with a large tetrahedral mesh. The automatic nature of the techniques used to create polyhedral meshes saves the user time, and, since a polyhedral mesh contains many fewer cells than the corresponding tetrahedral mesh, convergence is faster. With FLUENT 6.3,  dynamic mesh capabilities for modeling moving objects, such as impellers in baffled mixing tanks, can now be applied to a series of related steady-state simulations, reducing the amount of time that a user spends on pre-processing. Additional new functionality adds flexibility for simulating complex object motion. Reacting flow simulations benefit from new models for slow chemistry and micromixing. Emissions modeling is more comprehensive through the addition of new SOx and NOx modeling capabilities. Multiphase modeling continues to be an area of focus. The software offers improvements to the accuracy of transient multiphase solutions, as well as enhancements that extend the regimes in which multiphase models can be applied.