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How to release tracers at specific heights at a specific point in time

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Old   December 3, 2016, 07:45
Default How to release tracers at specific heights at a specific point in time
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Victor Koppejan
Join Date: May 2015
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Hi Everyone,

First of all apologies if my questions has been answered in a previous post somewhere.

I'd like to do some tracer dispersion studies. A have a rectangular domain with inlet and out plus 2 sets of periodic boundaries.

I'd like to release several tracers, all modeled through their own convection/dispersion equation. For this I'd like to specify a plane for each of them a specific height and release the tracer after a number of seconds.

I can do this using the inlet patch at the bottom see snippet below but I'm not sure how to do it for the other tracers.

Code:
    bottom
    {
        type            uniformFixedValue;
        uniformValue    table
                (
                         (9.99999       0)
                         (10.00001      1)
                );
                outOfBounds     clamp;
    }
Thanks in advance for your help.

Victor
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