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RESEARCH PAPERS

Transonic Flow Computations in Cascades Using Finite Element Method

[+] Author and Article Information
H. U. Akay

Purdue University at Indianapolis, Indianapolis, Ind. 46205

A. Ecer

Mechanical Engineering, Purdue University at Indianapolis, Indianapolis, Ind. 46205

J. Eng. Power 103(4), 657-664 (Oct 01, 1981) (8 pages) doi:10.1115/1.3230788 History: Received December 01, 1980; Online September 28, 2009

Abstract

Analysis of transonic flow through a cascade of airfoils is investigated using the finite element method. Development of a computational grid suitable for complex flow structures and different types of boundary conditions is presented. An efficient pseudo-time integration scheme is developed for the solution of equations. Modeling of the shock and the convergence characteristics of the developed scheme are discussed. Numerical results include a 45 deg staggered cascade of NACA 0012 airfoils with inlet flow Mach number of 0.8 and angles of attack 1, 0, and −1 deg.

Copyright © 1981 by ASME
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