1. Center for Separation Processes Modeling and Nano-Computations; School of Chemical Engineering; College of Engineering; University of Tehran; P.O. Box 11365-4563 Tehran Iran
2. Advanced Control Research Laboratory; School of Chemical Engineering; College of Engineering; University of Tehran; Tehran Iran
3. Multiphase Systems Research Laboratory; School of Chemical Engineering; College of Engineering; University of Tehran; Tehran Iran
4. The George Adomian Center for Applied Mathematics; 316 South Maple Street, Hartford MI 49057-1225 USA