Fluid Flow Analysis

The latest version of the CFX-5 computational fluid dynamics software combines direct CAD input, automatic meshing and a Coupled Algebraic Multigrid algorithm where pressure and momentum conservation equations are solved simultaneously, slashing CPU time associated with CFD (Computational Fluid Dynamics). New features include conjugate heat transfer, grid adaption, higher-order differencing schemes, multi-component fluid models, command language and completely redesigned data structures. The conjugate heat transfer capability, combined with the direct CAD import and automatic meshing, provides engineers with a tool that integrates within their design cycle. This permits rapid analysis of complex heat transfer processes, such as pinpointing hot spots in engine blocks or optimizing the design of heat exchangers.

With the multi-component fluid models, users can simulate mixing flows, perform residence time calculations, and include their own models for chemical reactions and combustion. The new automatic grid adaption redistributes and refines the grid so that it is concentrated in those regions where it is most important. It works with all types of mesh, including tetrahedral, hexahedral, pyramid and prism elements, while maintaining the original underlying surface descriptions. The software has also been completely restructured internally. With features such as data structures, finite-volume discretization schemes, coupled algebraic multigrid solver technology, and scalable parallelization algorithms, it is designed to fully exploit modern computer architectures, hardware trends and user interface concepts.

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