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ansys-cfx-brochure
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Industry Solutions Powerful Computational Fluid Dynamics Software for Process and Product Design Optimization For more than 20 years, companies around the world have trusted ANSYS CFX technology to provide reliable and powerful computational fluid dynamics (CFD) solutions. ANSYS CFX combines advanced solver tech- nology with a modern user interface and an adaptive architecture to make CFD accessible to both designers with general engineering knowledge and fluid dynamics specialists requiring in-depth model control and options. It is used in a vast array of industries to provide detailed insight into equipment and processes that increase efficiency, improve product longevity and optimize processes. ANSYS CFX and the ANSYS Workbench Environment ANSYS CFX software is fully integrated into the ANSYS® Workbench™ environment, the framework for the full suite of engineering simulation solutions from ANSYS. Its adaptive architecture enables users to easily set up anything from standard fluid flow analyses to complex interacting systems with simple drag-and-drop operations. Users can easily assess performance at multiple design points or compare several alternative designs. Within the ANSYS Workbench environment, applications from multiple simulation disciplines can access tools common to all, such as geometry and meshing tools. Geometry: ANSYS® DesignModeler™ software is specifically designed for the creation and preparation of geometry for simulation. Its easy-to-use, fully parametric environment with direct, bidirectional links to all leading CAD packages acts as the geometry portal for all ANSYS products to provide a consistent geometry source for all engineering simulations. Meshing: Providing accurate CFD results requires superior meshing technology. ANSYS Meshing provides a multitude of meshing technologies in a single application to allow users to select the best option on a part- by-part basis. ANSYS® ICEM CFD™ meshing tools also are available and include unlimited mesh editing capabilities as well as structured hexahedral meshing. The ANSYS CFX physics pre-processor is a modern and intuitive interface for the setup of CFD analyses. In addition to a general mode of operation, predefined wizards are available to guide users through the setup of common fluid flow simulations. A powerful expression language gives users the ability to customize their problem definition in numerous ways, such as with complex boundary conditions, proprietary material models or additional transport equations. The adaptive architecture of CFX-Pre even allows users to create their own custom GUI panels to standardize input for selected applications, and thereby ensure adherence to established best practices Vortex structures in a four-stroke engine just after injection of fuel and intake valve opening Nucleate boiling downstream of spacers in a fuel rod bundle assembly Courtesy of Dr. E. Krepper, FZ Dresden. Bottom of the cooling system showing obstructions Courtesy of Voith Turbo.

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Industry Solutions The ANSYS CFX Solver At the heart of ANSYS CFX software is its advanced solver technology using coupled algebraic multigrid, the key to achieving reliable and accurate solutions quickly and robustly. Its engineered scalability ensures a linear increase in CPU time with problem size and parallel performance that is second to none. Users can follow convergence progress and dynamically monitor numerical and physical solution quantities. Solver parameters, boundary conditions and other parameters can be adjusted ‘on the fly,’ without stopping the solver. The ANSYS CFX solver...

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Multiphase: More than two decades of experience in multiphase model- ing is incorporated into ANSYS CFX software, to allow the simulation of multiple fluid streams, bubbles, droplets, particles and free surface flows. The Lagrangian transport model allows the solution of one or more discrete particle or droplet phases within a continuous fluid phase. Break- up models are available to describe both the initial fluid atomization and further fragmentation due to the action of external forces. Further options include an efficient statistical particle-particle collision model and a quasi-static...

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Industry Solutions Cooling air flow predictions to optimize heat transfer around electric motor Simulation of sloshing in partially filled tanks on marine vessels, used to predict structural loads and changes in vessel behavior due combustion engine, or can be an implicit result of the solution using the built-in six-degrees-of-freedom rigid body solver available in ANSYS CFX software. The immersed solids method is an additional option that allows unlimited motion of solid objects through fluid to be defined without any need for mesh deformation. The collection of strategies available means...

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