Changes between Version 29 and Version 30 of u/ehansen


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Timestamp:
09/14/11 10:32:58 (13 years ago)
Author:
ehansen
Comment:

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  • u/ehansen

    v29 v30  
    66[[BR]]
    77=== Rayleigh-Taylor Instability ===
    8 The RT Instability...a dense fluid sitting on top of a light fluid.  When slightly perturbed the light fluid rises upwards.  This simulation shows a single mode perturbation.  It is run in 2D with a fixed grid of 100 x 300.
     8The RT Instability...a dense fluid sitting on top of a light fluid.  When slightly perturbed the light fluid rises upwards, and the heavy fluid sinks downwards.  See this page for more details on the problem analysis and simulations: [wiki:u/ehansen/RT]
     9This simulation shows a single mode perturbation.  It is run in 2D with a fixed grid of 100 x 300.
    910* [attachment:RTmovie.gif RT Movie]
    1011[[BR]]
    … …  
    1314[[BR]]
    1415I realized that uniform gravity was not working properly in the first two simulations, so here is one in which it is working.  Also, this simulation is a 50 x 150 grid with 2 levels of AMR.  This set up could be the one to go into the test suite.
    15 * [attachment:rttestmovie.gif RT Movie (Test Suite Simulation)]
    16 
     16* [attachment:rttestmovie.gif RT Movie (Gravity Working)]
     17[[BR]]
    1718
    1819* [attachment:interface_movie.gif Interface Movie]