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CFD-VIEW User Tips

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Plotter Operations with CFD-VIEW

The Plotter operator in CFD-VIEW supports signal processing for Time History data. A previous user tip – Digital Signal Processing using CFD-VIEW – shows how time history date can be made available and how to perform a PSD on a periodic signal. The aim of this new user tip is to list all options supported by the Plotter Operator.

 

Using the Clone Feature in CFD-VIEW

As the name suggests, the Clone operator creates an exact copy of the input object. The input object could be a surface (iso-surface, cut-plane, geometry surface, border object) or a volume. The drawing style of this copy (or copies) is completely independent from that of the original.

Blanking Option in CFD-VIEW for Visualizing Chimera Grids

CFD-FASTRAN uses closed surfaces, such as walls or blocked regions, to create Chimera holes (or blanked regions) in a grid. By default, the number of buffer layers is set to 1. This means that a closed surface will cut a hole in any mesh that overlaps it, and the initial "blanking" of grid cells defines the hole.

Point Net Option in CFD-VIEW

A Point Net is primarily used for creating an evenly spaced vector field over existing 3D volumes, 2D surfaces (if the domain is two-dimensional) or XYZ cutting planes. The Point Net creates a set of points over the selected entity and the simulation variable values (such as pressure, temperature, etc.,) at these points are derived by interpolation on the underlying mesh.

External Data in CFD-VIEW Plotter

Comparing computational results to experimental data is a task often asked of CFD analysts and engineers.  The line/curve plotter in CFD-VIEW is commonly used for plotting computational results along curves, such as line probes, surface slices, time histories, etc.  The CFD-VIEW V2007.2 release now offers a new feature that allows users to import experimental or other external data in the same plot, thus making it easy to compare results.

Use Perspective View for More Natural Visualizations

By default, CFD-VIEW shows you a ‘parallel’ perspective on your model where the scene has no depth to it.   In reality, things that are farther away from our eyes appear closer together within our field of vision.


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