differences
in flow pattern and general behavior,
having
significantly different physical characteristics.
= (eji + wij)
Aj, combustion
or evaporation,
eji = ½ (uj,i
+ ui,j), wij = ½ (uj,i
- ui,j).
the eji
and wij were constants and
so small that their products < 0
1 2
1 2
e1 Aj Aj =
ejk Ak Aj