Abstract
The present study considers a possibility of modeling the correlation of velocity and pressure-gradient vectors, in contrast to the conventional approach where pressure-strain correlation and pressure-diffusion terms are treated individually. A hybrid approach combining the velocity measurement by PIV and the numerical procedure to evaluate instantaneous pressure field in the wake of a rectangular cylinder has indicated that the correlation between the velocity vector and pressure-gradient vector become significant particularly when they are perpendicular to each other. The series of evaluations in necessary to understand the wider variation of complex flow problems. Well designed DNS should provide useful data.
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