1. Display contours

EDPIV includes a function to create and display contour maps of  vorticity, velocity components and turbulent components in “Evaluation” window. The displayed contour maps may not have high quality for formal publication, but they provide helpful references for further processing the PIV recordings. The following example shows how to display a vorticity contour map.

 

When a 2D vector map is obtained after an evaluation of a PIV recording pair, e.g. application example 2 as

 

 

Select menu “View \  Contours” to open window

 

 

Select color map, smooth level and contour type; set contour variable as “Vorticity”; adjust the value limit; and then press “OK” button. The vorticity contour map is created as

 

 

Use left mouse function to draw a small frame at the interesting area and press the zoom button to get a closer view as

 

 

The color map is shown as

 

 

 

Please note that the value shown in this box should be divided by the time interval. 

 

 

Edpiv pE 2013 Other