A finite-element method is employed in the solution of a full-potential equation for analyzing steady, transonic flows through highly staggered cascades. Convergence characteristics and efficiency of the developed numerical procedure are discussed. Accuracy of the mathematical model is investigated in terms of the employed computational grid. In particular, the importance of an accurate representation of the trailing edge together with the shock on the obtained flow results are studied. Numerical results include choked flows, for cascades of NACA 0012 and 8% circular-arc airfoils with a pitch/chord ratio of 1 and a stagger angle of 45 deg.
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Akay et al. (1982) studied this question.
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