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PREDICTION OF SHOCK WAVE AND EXTERNAL FLOW FIELD PARAMETERS IN A MODERATE SUPERSONIC FLOW OVER A 3-D ARC CIRCULAR BUMP | ||
| Iraqi journal of mechanical and material engineering | ||
| Article 1, Volume 9, Issue 1, 2009, Pages 1-14 | ||
| Author | ||
| Dr. Ahmed Kadhim Hussein | ||
| Abstract | ||
| This study is used to compute the primitive variables of moderate supersonic flow based on finite difference computational fluid dynamic methods. The problem considered deals with a three-dimensional external, inviscid ,compressible supersonic flow over a three-dimensional arc circular bump. In this work, Euler equation was solved using time-marching MacCormack’s explicit technique. The flow conditions are taken at sea level and Mach number at 1.97. To deal with complex shape of arc circular bump the so-called “body fitted coordinate system” were considered and the algebraic methods were used to generate grids over an arc circular bump. The results showed a good agreement with other published results. | ||
| Keywords | ||
| Arc circular bump; CFD; Supersonic aerodynamics; Euler Equation | ||
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