EXAMINATION OF THE UPWIND ( DONOR-CELL) FORMULATION IN CONTROL VOLUME FINITE-ELEMENT METHODS FOR FLUID FLOW AND HEAT TRANSFER
- 1 April 1987
- journal article
- research article
- Published by Taylor & Francis in Numerical Heat Transfer
- Vol. 11 (4) , 401-416
- https://doi.org/10.1080/10407788708913562
Abstract
The upwind ( donor-cell) methodology has been explored in the framework of control volume-based finite-element methods using triangular elements. The key advantage of the upwind procedure is that it ensures positive discretization coefficients and hence a stable numerical analog that avoids any undershoots/overshoots. However, the upwind procedure does increase the cross-wind diffusion. Four test problems are solved to study the performance of the scheme.Keywords
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