DIRECT NUMERICAL SIMULATION OF SUPERSONIC AND TRANSONIC COMPRESSIBLE VISCOUS FLOW BY KINETIC ENERGY PRESERVING SCHEME

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ABBASI MOOD S.; MALEK JAFARIAN M.

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Paper Information

Journal: Journal of Applied and Computational Sciences in Mechanics Year:2017 | Volume:28 | Issue:1 (15) Page(s): 15-30

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Title

DIRECT NUMERICAL SIMULATION OF SUPERSONIC AND TRANSONIC COMPRESSIBLE VISCOUS FLOW BY KINETIC ENERGY PRESERVING SCHEME

Author(s)

ABBASI MOOD S. | MALEK JAFARIAN M. | Issue Writer Certificate

Keywords

COMPRESSIBLE VISCOUS FLOWQ1

FINITE VOLUME METHODQ2

DIRECT NUMERICAL SIMULATIONQ2

KINETIC ENERGY PRESERVING SCHEMEQ1

Abstract

Present paper investigates the numerical solution of two-dimensional unsteady compressible Navier-Stokes equations by a new scheme based on the FINITE VOLUME METHOD. Kinetic Energy Preserving (KEP) scheme is introduced for solving the supersonic and Transonic external compressible flow field on very fine grids (with a number of cells of the order of the Reynolds number) without artificial dissipation terms even in place of shock waves. It should be noted that the solution of flow field with this scheme in this range of speed, is presented for the first time.By discretization of the governing equations based on KEP scheme and elimination of dissipative effects, the DIRECT NUMERICAL SIMULATION (DNS) of the flow is possible. The results of this solution for supersonic flow over flat plate and Transonic flow over the airfoil at low Reynolds numbers show that the KEP method can be presented stable and non-oscillatory solution by no artificial dissipation even in areas with shock waves. Therefore, the KEP method can be used for DNS of turbulent flows (without a modeling the turbulence phenomena itself).

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APA: Copy

ABBASI MOOD, S., & MALEK JAFARIAN, M.. (2017). DIRECT NUMERICAL SIMULATION OF SUPERSONIC AND TRANSONIC COMPRESSIBLE VISCOUS FLOW BY KINETIC ENERGY PRESERVING SCHEME. JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), 28(1 (15)), 15-30. SID. https://sid.ir/paper/196317/en

Vancouver: Copy

ABBASI MOOD S., MALEK JAFARIAN M.. DIRECT NUMERICAL SIMULATION OF SUPERSONIC AND TRANSONIC COMPRESSIBLE VISCOUS FLOW BY KINETIC ENERGY PRESERVING SCHEME. JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2017;28(1 (15)):15-30. Available from: https://sid.ir/paper/196317/en

IEEE: Copy

S. ABBASI MOOD, and M. MALEK JAFARIAN, “DIRECT NUMERICAL SIMULATION OF SUPERSONIC AND TRANSONIC COMPRESSIBLE VISCOUS FLOW BY KINETIC ENERGY PRESERVING SCHEME,” JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), vol. 28, no. 1 (15), pp. 15–30, 2017, [Online]. Available: https://sid.ir/paper/196317/en

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