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An investigation of several numerical procedures for time-asymptotic compressible Navier-Stokes solutions (1975)

Blanchard, D. K. ; Rubin, S. G. ; Morris, D. J. ; [et al.]

In: CASI

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Publication Date: 2016-06-07

Description: The status of an investigation of four numerical techniques for the time-dependent compressible Navier-Stokes equations is presented. Results for free shear layer calculations in the Reynolds number range from 1000 to 81000 indicate that a sequential alternating-direction implicit (ADI) finite-difference procedure requires longer computing times to reach steady state than a low-storage hopscotch finite-difference procedure. A finite-element method with cubic approximating functions was found to require excessive computer storage and computation times. A fourth method, an alternating-direction cubic spline technique which is still being tested, is also described.

Keywords: AERODYNAMICS

Type: Aerodynamic Analyses Requiring Advanced Computers, Pt. 1; p 437-468

Format: application/pdf

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