Exterior Why not use FDM/FEM? Problems 2-D Heat Flow Example Surface T=Oat co But, must truncate the es Only need a on the surface, but T is computed everywhere Must truncate the mesh,=> T(oo)=0 becomes T(R)=0 SMA+HPC⊙2003M Discretization of Boundary Integral Equations 9
Laplaces Green's Function Equation In 2D f=10(y(0=m)2+(0=)2) then ar2+m2=0(2,y)≠(0,90) In 3D If a (x-a0)2+(y-90)2+(z-0) then 8m2+2+02=0(,y,x)≠(0,9,20) Proof: Just differentiate and see! SMA+HPC⊙2003M Discretization of Boundary Integral Equations 10