Changes between Version 6 and Version 7 of Tutorial/DisplacementMeasuredByImageCorrelation


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Timestamp:
Jan 26, 2015, 3:17:30 PM (10 years ago)
Author:
sommeria
Comment:

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  • Tutorial/DisplacementMeasuredByImageCorrelation

    v6 v7  
    66'''Looking at the images:'''
    77
    8 Open an image UVMAT_DEMO06_displacement. This is a target pattern used to measure the displacement of a plate vs time. Observe the motion by scanning the images. 
     8Open an image UVMAT_DEMO06_displacement. This is a target pattern used to measure the displacement of a plate vs time. Observe the motion by scanning the images.
    99
    1010Make a mask to remove the outer part in the PIV processing, like explained for tutorial 5, or introduce the mask provided .ref (selecting the upper bar button .. in uvmat)
    … …  
    1919 * !!CorrSmooth =2 corresponding top carse 'particles': large correlation curves. See ! TestCiv1.
    2020 * Mask selected to isolate the active area
    21  * Fairly large ! FieldSmooth (spatial resolution not critical) and no 'deformation' needed for civ2
    22  * Civ2 smaller search zone as we start form  the prediction of Civ2 (shift)
     21 * Fairly large ! FieldSmooth =20 (spatial resolution not critical) and no 'deformation' needed for civ2
     22 * Civ2, same correlation box, smaller search zone as we start form the prediction of Civ2 (shift)
    2323
    24 '''Observing the civ data:''' 
     24'''Observing the civ data:'''
    2525
    26 velocity, vorticity, div 
     26velocity, vorticity, div
    2727
    2828'''Time series:'''
    2929
    30 Make a point, range=200, and run series/time series. Observe the curve displacement U and V versus time. 
     30Make a point, range=200, and run series/time series. Observe the curve displacement U and V versus time.
    3131
    3232+ rotation + div