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How many boundary conditions should I have for a 2-D transient pde?

  1. Nov 1, 2011 #1
    Hello all:

    I'm a newbie, trying to write/use code for solving a 2D advection-diffusion problem. I'm not sure how many boundary conditions I should have for the property that is being transported.

    In my problem, I have diffusion switched off (advection only). The property being transported (from left to right) is a chemical element. I have its initial mass as an initial condition. I have specified its mass at the left boundary. Do I need a second boundary condition at the right?

    Thanks for any advice.
     
  2. jcsd
  3. Nov 6, 2011 #2
    You should. If it is the iterative, then you will need to account for front and end conditions.
     
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