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Abstract
Performance of a boundary-element scheme, using stream function-vorticity formulation, has been improved in solving 2D time-dependent convection problems with various time scales and arbitrary geometry. Emphasis is placed on careful treatment of numerical difficulties. Advanced integration techniques are used for both boundary and domain integrals of different types. Excellent agreement is obtained between our solutions and published results on oscillatory natural convection. For the first time, this boundary-element scheme is successfully applied in simulating detailed physical processes of small-time-scale problems.
Notes
Address correspondence to Dr. Abdelfattah Zebib, Department of Mechanical and Aerospace Engineering, Rutgers University, P.O. Box 909, Piscataway, NJ 08855-0909, USA.