December 13th, 2009, 10:22 AM  #1 
Newbie Joined: Dec 2009 Posts: 1 Thanks: 0  PDE using Green's Function
Hello, I have been struggling with this 2ndorder PDE. I need to solve it using Green's function: Heat equation for conduction in a bar, with Neumann Boundary conditions: Ut=R*Uxx Initial Conditions: U(0,x) = f(x) Time, t>0 0<L<1 f(x) = x for 0<x<(L/3) =0 for x>L/3 Boundary Conditions: Ux (o , x) = 0 Ux (L , x)= 0 Any ideas? The equation seems pretty standard and straightforward but the boundary conditions seem difficult to work with. 

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