Nonsimilar Solution of the Laminar Boundary Layer in an Oscillatory Flow by an Integral Matrix Method

[+] Author and Article Information
B. A. Gastrock, J. A. Miller

Naval Postgraduate School, Monterey, Calif.

J. Basic Eng 93(4), 543-549 (Dec 01, 1971) (7 pages) doi:10.1115/1.3425308 History: Received January 13, 1971; Online October 27, 2010


The development of a numerical technique for the treatment of two-dimensional non-similar, unsteady, laminar boundary layers is presented. The method is an extension to nonsteady flows of the integral matrix procedure of Kendall. Solutions of example problems are presented demonstrating good agreement with known classical results. Core storage requirements of 130K bytes allow consideration of as many as 1250 field points and 50 time increments per oscillation cycle. Solution of oscillating Blasius flow for 8 nodal points and 16 time increments in 13.49 seconds demonstrates the practicality of the computational time required, while agreement with both the analysis and experiment of Nickerson for this flow is excellent.

Copyright © 1971 by ASME
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