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Abstract We present a rationale for the success of nonoscillatory finite volume (NFV) difference schemes in modelling turbulent flows without need of subgrid scale models. Our exposition focuses on certain truncation terms that appear in the modified equation of one particular NFV scheme, MPDATA. We demonstrate that these truncation terms have physical justification, representing the modifications to the governing equations that arise when one considers the motion of finite volumes of fluid over finite intervals of time. Published in 2002 by John Wiley & Sons, Ltd.
Margolin et al. (Wed,) studied this question.