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Help with strong form of flux

  1. Mar 13, 2013 #1
    1. The flux of a conserved quantity can be written
    q(x) = -x2 (du/dx)-u
    If the source term is f(x) = x, write the strong form of the conservation law.

    I know the form of the strong form is : d/dx(c du/dx)+f(x)=0

    I have no idea where to begin for this problem. The examples my professor gave us in class don't help at all. Ive tried searching elsewhere online for a better explanation, with no luck.
    Please help
    Thanks
     
  2. jcsd
  3. Mar 14, 2013 #2
    Anyone? I still have no idea where to even start.
     
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