Introductory FLUENT Training-Postprocessing with FLUENT and CFD-Post

•There are two ways to postprocess CFD results from FLUENT

–FLUENT postprocessing tools – legacy tools integrated in the FLUENT solver.

–ANSYS CFD-Post application – a state-of-the-art postprocessor for ANSYS CFD products.  CFD-Post can run as a standalone postprocessor, or within Workbench

•

•Both postprocessors include many tools for analyzing CFD results

–Isosurfaces

–Vector Plots

–Contour plots (shaded and graded)

–Streamlines and pathlines

–XY plotting

–Animation creation

•

•Contains the ability to postprocess any user-defined quantity either defined through custom field functions or user-defined memory (UDF).

•Many post processing tools are
available in FLUENT:

–Surface creation

–Display types

–Rendering options

–Plots of solution data

–Flux reports and Integral
calculations

•Post processing functions
typically operate on surfaces,
which can be automatically
created by FLUENT from
existing zones or by the user.

•For more information, please refer to the web-based lecture, “Post-Processing in FLUENT” on the FLUENT User Services Center
www.fluentusers.com

•Fluent allows you to select portions of the CFD domain, called surfaces, to be used for visualizing and plotting the flow field.

•

•There are a variety of ways to create surfaces:

–Zone surfaces (surfaces automatically created by solver from zones)

–Plane surfaces (specifying a specific plane in the domain)

–Iso-surfaces (surfaces that have constant value for a specified variable)

–Clipping Surfaces (iso-surfaces trimmed within
specified range of values)

–Point surfaces (specifying a particular
location in the domain)

–Line and Rake Surfaces (used for display
of particle path lines)

•Surfaces can be renamed, deleted or
moved and used to write profile files.

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