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22.16.4 Reporting of Current Positions for Unsteady Tracking

In transient cases, when using unsteady tracking, you may want to obtain a report of the particle trajectory/trajectories showing the current positions of the particles. Selecting Current Positions under Report Type in the Particle Tracks panel enables the display of the current positions of the particles.

The procedure for generating files containing current position reports is listed below:

1.   Follow steps 1 and 2 in Section  22.16.1 for displaying trajectories. You may want to track only one particle stream at a time, using the Track Single Particle Stream option.

2.   Select Current Position as the Report Type.

3.   Select File as the Report to option. (The Display button will become the Write... button.)

4.   In the Significant Figures field, enter the number of significant figures to be used in the step-by-step report.

5.   Click on the Write... button and specify a file name for the current position report file in the resulting Select File dialog box.

The current position report lists the positions and velocities of all particles that are currently in the domain:

Time        X-Position  Y-Position  Z-Position  X-Velocity  Y-Velocity  Z-Veloc
 0.000e+00   1.000e-03   3.120e-02   0.000e+00   1.000e+01   5.000e+00   0.000e
 1.672e-05   1.168e-03   3.128e-02   0.000e+00   1.010e+01   4.988e+00   0.000e
 3.342e-05   1.337e-03   3.137e-02   0.000e+00   1.019e+01   4.977e+00   0.000e
 5.010e-05   1.508e-03   3.145e-02   0.000e+00   1.028e+01   4.965e+00   0.000e
 6.675e-05   1.680e-03   3.153e-02   0.000e+00   1.038e+01   4.954e+00   0.000e
 8.338e-05   1.854e-03   3.161e-02   0.000e+00   1.047e+01   4.942e+00   0.000e
     .           .           .           .           .           .           .
     .           .           .           .           .           .           .
     .           .           .           .           .           .           .

Also listed are the diameter, temperature, density, mass of the particles, number in parcel and the variable selected from the Color By list. (You may need to use the scroll bar to view this information.)

elocity  Diameter   Temperature  Density    Mass       Number     ColorBy
000e+00   7.000e-05  3.000e+02    1.300e+03  2.335e-10  3.183e+03  0.000e+00
000e+00   7.000e-05  3.009e+02    1.300e+03  2.335e-10  3.183e+03  1.672e-05
000e+00   7.000e-05  3.019e+02    1.300e+03  2.335e-10  3.183e+03  3.342e-05
000e+00   7.000e-05  3.028e+02    1.300e+03  2.335e-10  3.183e+03  5.010e-05
000e+00   7.000e-05  3.037e+02    1.300e+03  2.335e-10  3.183e+03  6.675e-05
000e+00   7.000e-05  3.046e+02    1.300e+03  2.335e-10  3.183e+03  8.338e-05
     .           .           .           .           .           .           .
     .           .           .           .           .           .           .
     .           .           .           .           .           .           .


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Next: 22.16.5 Reporting of Interphase
© Fluent Inc. 2006-09-20