CFX

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CFX
Developed by	ANSYS Inc.
Latest release	11.0
OS	Unix, Microsoft Windows, Linux
Genre	Computational fluid dynamics software
License	Commercial software
Website	http://www.ansys.com/products/cfx.asp

CFX is a commercial Computational Fluid Dynamics (CFD) program used to simulate fluid flow in a variety of applications. CFX allows engineers to test systems in a virtual environment. It has been applied to the simulation of water flowing past ship hulls, gas turbine engines (including the compressors, combustion chamber, turbines and afterburners), aircraft aerodynamics, pumps, fans, HVAC systems, mixing vessels, hydrocyclones, vacuum cleaners, and more. It is scalable.

[edit] History

ANSYS CFX, as it is now known, has its roots in the program CFX-4, formerly Flow3D in the UK and originally developed in-house for use by the United Kingdom Atomic Energy Authority (UKAEA), and TASCflow which was developed by Advanced Scientific Computing (ASC), of Waterloo, Ontario, Canada.

FLOW3D was commercialized by UKAEA in the late eighties and early nineties, based on other in-house codes. It was renamed as CFX-4 in the mid-nineties, since the name Flow-3D was already used in North America. The original product offering was based on a multi-block structured hexahedral code based on the SIMPLE staggered grid solution technique. CFX-4 was very strong in the chemical process industry and included some of the industries most advanced multiphase and chemistry models.

TASCflow was a structured hexahedral grid code, with a co-located primitive variable formulation that utilized a control volume based finite volume discretization scheme to create a linearized system of equations that was solved using a unique, highly effective proprietary coupled-multigrid solver. The Waterloo office has maintained strong ties with the University of Waterloo and its initial, highly academic focus led to the development of advanced discretization methods and solution algorithms. TASCflow was primarily used for mechanical applications, with modeling strengths in combustion and turbomachinery where the coupled solver delivered the simultaneous coupled .