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Finite diffeence and stream lines graph

  1. Nov 23, 2008 #1
    1. The problem statement, all variables and given/known data
    i want to use finite difference methodolgyto determine the steady-state potential flow field in a two dimensional duct using a square mesh and get epsi at every grid node and graph the stream lines...any suggestions ?

    2. Relevant equations

    i've got an equation epsi(i,j) =1/4* epsi(i+1,j) + epsi(i-1,j) + epsi(i,j+1) + epsi(i,j-1)

    3. The attempt at a solution
    i have the boundary conditions at the entrance anf exit and the button and top of the duct ... how can i attach a file to show you the problem ?
  2. jcsd
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