{"id":165027,"date":"2023-03-17T08:59:13","date_gmt":"2023-03-17T08:59:13","guid":{"rendered":"\/knowledge\/forums\/topic\/in-a-sentence-what-does-the-the-discrete-random-walk-dispersion-model-do-with-the-particles-trajectories\/"},"modified":"2023-07-31T12:26:45","modified_gmt":"2023-07-31T12:26:45","slug":"in-a-sentence-what-does-the-the-discrete-random-walk-dispersion-model-do-with-the-particles-trajectories","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/in-a-sentence-what-does-the-the-discrete-random-walk-dispersion-model-do-with-the-particles-trajectories\/","title":{"rendered":"In a sentence: what does the the Discrete Random Walk dispersion model do with the particles trajectories?"},"content":{"rendered":"<p>The turbulent dispersion model adds a fluctuating component of the fluid velocity to the mean velocity.  This affects the particle trajectory through the drag force. 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