discretization equation at a corner point (urgent)
Suppose we have a rectangular geometry and on all the faces we have convective boundary condition. This is a steady state conduction problem. Then on any corner point if we write discretization eq. we will have 2 imaginary points which we have to find by boundary conditions. Please exlain how do we get those 2 imaginary points to substitute in the discretization eqn.
Thank you, Sumeet Kumar 
Re: discretization equation at a corner point (urg
boundary conditions will take care of the missing info that you will need. If you are still not clear on what I am talking about, check out dirichlet or neuman boundary conditions from a numerical methods book.

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