... 1n,j,1ii 11 n,j,i 21 e 1 1n,j,1ii 1 ux2x1u12KKux2x 1 e 1 n,j,i1n,1j,i 211 n,1j,i 21 KKuuu ⋅−=λλ+λλ++++−, 3,2,1e = (67) where: () 1 2x∂τλ=Δ, 22xyΔλ=Δ, and ... case, (67) yields: () 1 1 2 1, j,n 1 1 2, j,n 1 1 2 1, j 1, n 1 1 2 1, j 1, n 1 eK 21 u 2u u uK++−+++−+λ+λ +λ +λλ +λλ = 1 1,j,neKuK=− ⋅, 3,2,1e = (70) For 1j = , when writing ... ()pmpmbi,jbi,jai,jai,j 1= === (78) The unified heating equation in a network point (i, j) will be: ()pmp 1 111 12i 1, j,n 1 i,j,n 1 mm p i 3 mp i mp mp1im 12 12 1 fx, n 1 i, j 1 fy, n 1 i , j, npm...