Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.


Torsten
Posts:
1,698
Registered:
11/8/10


Re: Solving PDE (how to introduce an specific Boundary condition)
Posted:
Aug 21, 2013 10:14 AM


"alonsovg" wrote in message <kv0tj5$li1$1@newscl01ah.mathworks.com>... > Hello, > > I have some troubles when trying to solve for a second order PDE. Would be wonderful if you can help me. > > The PDE I want to solve is the following: > > uxx + (2*y^2)*uyy + (1+0.3*x*ux+0.5*(2y)*uy) = 0.3*u > > defined for x>=0 and y>=0 > > and with boundaries: u(0,y)=0 and ux(y,y)=1 > > ( where u denotes the function to solve for u(x,y); ux is the first derivative with respect to x, uy the partial wrt to y, and uxx denote second derivatives). > > My first trouble is with the boundary condition: I am using the pde tool, and I don't see how can I implement this boundary condition in the options of Neumann or Dirichlet available. > > Thank you!
Impossible to solve with pde toolbox.
Best wishes Torsten.



