... is expressed as shown in equation (7). 22 2 2 11 222 2 111 11222 2 111 111 1 05 05 05 0505 05 1 05 05 05 0505 05 1 05 05 05 05nn ni aj b ij ij ijnn nij ... Cqxy**,,() ; () (8) where: 11 11 11 1114ij ij i j i j i j i ju uuuuu*,,,,,, (9) 11 11 11 1114ij ij i j i j i j i jv vvvvv*,,,,,, ... follows: 11 11122ni j i j ij ijnij ij ijijuu vvh Advec_h t h hxy,, ,,**,,, (18) where: 11 11 11 1114ij i...