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TECHNICAL PAPERS

Resolving Turbulent Wakes

[+] Author and Article Information
Stephen A. Jordan

Naval Undersea Warfare Center, Code 74, Newport, RI 02841e-mail: jordansa@npt.nuwc.navy.mil

J. Fluids Eng 125(5), 823-834 (Oct 07, 2003) (12 pages) doi:10.1115/1.1603302 History: Received July 11, 2002; Revised April 21, 2003; Online October 07, 2003
Copyright © 2003 by ASME
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References

Figures

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Dispersive (a) and dissipative (b) errors of the present compact upwind differences compared to three explicit schemes; O(2) explicit second-order central differences, O(3) explicit third-order upwind, O(5) explicit fifth-order upwind, O(5c) compact fifth-order upwind, and O(3cb) one-sided compact third-order upwind
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Differencing, interpolation and filtering stencils; notation O–indicates order; 2, 3, 4, 5 and 6–order number; c–compact differencing; cf–compact filtering; i–explicit point interpolation; f–explicit filtering; ci–compact interpolation; cui–compact upwind interpolation. Example, O(4c4cui) denotes fourth-order compact differencing of fourth-order compact upwind interpolated quantities.
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DNS results of the explicit third-order and compact fifth-order differencing (advective derivative) of the streamwise energy spectra (in Kolmorgorov units) compared to the experimental measurements, 2426
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DNS results of the explicit third-order and compact fifth-order differencing (advective derivative) of the streamwise dissipation rate and turbulence production (both in Kolmorgorov units) compared to the experimental measurements, 2426
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Phase-averaged LES computations using the compact stencil A(5c4cui); (a) comparisons of the streamwise energy spectra to the experimental measurements, 2426 and LES results of Beaudan and Moin 27, (b) switch from fourth-order Padé to compact fifth-order stencil in spanwise direction A(5c5c)
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Comparisons of the streamwise energy spectra to the experimental measurements 2426 along radii r/D=1.0 and r/D=5.0; scheme K(4cui)
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Spanwise-streamwise instantaneous pressure contours; stencil A(5c5c), max. 0.41, min. −1.5, incr. 0.065; (b) stencil K(4cui), max. 0.15, min. −1.5, incr. 0.055; (c) stencil A(5c4cui), max. 0.30, min. −1.5, incr. 0.06
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Comparisons of the time-averaged streamwise (uu) and transverse (vv) total Reynolds stress using the A(5c4cui) scheme to the experimental measurements, 37, and previous LES results, 3233

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