Paper Title:

Unsteady Flow past a Combined Pitching and Plunging Aerofoil Using an Implicit RANS Solver

Periodical Applied Mechanics and Materials (Volumes 110 - 116)
Main Theme Mechanical and Aerospace Engineering, ICMAE2011
Chapter Chapter 17: Precision Molding Processes
Edited by Wu Fan
Pages 3481-3488
DOI 10.4028/www.scientific.net/AMM.110-116.3481
Citation K. Siva Kumar et al., 2011, Applied Mechanics and Materials, 110-116, 3481
Online since October, 2011
Authors K. Siva Kumar, Sharanappa V. Sajjan
Keywords Dual Time Stepping, Flapping Aerofoil, Implicit Method, RANS Solver, Unsteady Flow
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Unsteady Reynolds-averaged Navier-Stokes (RANS) computations are presented for low Mach number flow past a combined pitching and plunging NACA 0012 aerofoil. The Implicit RANS solver used for obtaining time-accurate solutions is based on a finite volume nodal point spatial discretization scheme with dual time stepping. The aim is to validate the unsteady solver for flapping motion of the aerofoil. Results are presented in the form of aerodynamic coefficients and compared with available literature, thus demonstrating the capability of the solver to provide useful unsteady input data for aeroelastic and aeroacoustic analysis.

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