Application of Runge-Kutta scheme for high-speed inviscid internal flowsA multi-stage Runge-Kutta method is analyzed for solving the two-dimensional Euler equations for external and internal flow problems. Subsonic, supersonic and, highly supersonic flows are studied. Various techniques for accelerating the convergence to a steady state are described and analyzed. Effects of the grid aspect ratio on the rate of convergence are evaluated. An enthalpy damping technique applicable to supersonic flows is described in detail. Numerical results for supersonic flows containing both oblique and normal shocks are presented confirming the efficiency of the method.
Document ID
19860035230
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Moitra, A. (SASC Technologies, Inc. Hampton, VA, United States)
Turkel, E. (NASA Langley Research Center Institute for Computer Applications in Science and Engineering, Hampton, VA; Tel Aviv, University, Israel)
Kumar, A. (NASA Langley Research Center Hampton, VA, United States)