Majumdar, S and Sinha, UN Development of a Finite Volume Algorithm for Calculation of Three Dimensional Incompressible Turbulent Recirculating Flows. Project Report. NAL, Bangalore.
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Abstract
This project aims at developing a general purpose, user-friendly computer code for numerical prediction of three-dimensional turbulent separated flows solving the time-averaged, incompressible Navier Stokes equations in bodyfitted nonorthogonal coordinate systems . ,A finite volume method is developed which employs the concept of the Semi Implicit Pressure Linked Equations (SIMPLE) of Patankar & Spalding (1J, revised for cell-centred variable arrangement and 'using' Cartesian velocity components as dependent variables . Two equations (K- E) models of turbulence [21 will be used to simulate the effect of turbulence on time-averaged flow properties . The data structure and the program are so organised that the code, when run on a Vector m/c, may also exploit the hardware -architecture of a Vector processor and consequently the computation is' accelerated . Finally, in order to meet the large Computer-Storage and CPU demand for real-life problems ; a parallelised version of the code will be generated, compatiable to the . in-house MK-II FLOSOLVER at NAL for which also the computer resources and hardware need to be augmented.
| Item Type: | Proj.Doc/Technical Report (Project Report) |
|---|---|
| Uncontrolled Keywords: | Separated Flow;Turbulence Model;Body-Coordinates;Three Dimensional Flows;Irregular Flow Boundaries;Parallel Computers |
| Subjects: | AERONAUTICS > Aerodynamics MATHEMATICAL AND COMPUTER SCIENCES > Numerical Analysis |
| Division/Department: | Computational and Theoretical Fluid Dynamics Division, Computational and Theoretical Fluid Dynamics Division |
| Depositing User: | Mr Nisanth |
| Date Deposited: | 30 Jul 2012 13:26 |
| Last Modified: | 30 Jul 2012 13:26 |
| URI: | http://nal-ir.nal.res.in/id/eprint/10666 |
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