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OpenFOAM-6/tutorials
Will Bainbridge d2175f8fe0 fvOptions: verticalDamping: Added spatial ramping
The onset of vertical damping can now be graduated over a distance. The
user specifies an origin and a direction along which the graduation
occurs, and a ramping function to specify the form of the graduation. An
example specification for the fvOption is:

    verticalDamping1
    {
        type            verticalDamping;

        selectionMode   all;

        origin          (1200 0 0);
        direction       (1 0 0);
        ramp
        {
            type        halfCosineRamp;
            start       0;
            duration    600;
        }

        lambda          [0 0 -1 0 0 0 0] 1; // Damping coefficient

        timeStart       0;
        duration        1e6;
    }

If the origin, direction or ramp entries are omitted then the fvOption
functions as before; applying the damping to the entire volume or the
specified cell set.

This work was supported by Jan Kaufmann and Jan Oberhagemann at DNV GL.
2018-01-09 08:47:37 +00:00
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2017-12-31 20:15:10 +00:00
2017-12-31 20:15:10 +00:00
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