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Development of a Finite Volume Algorithm for Calculation of Three Dimensional Incompressible Turbulent Recirculating Flows.

IR@NAL: CSIR-National Aerospace Laboratories, Bangalore

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Title Development of a Finite Volume Algorithm for Calculation of Three Dimensional Incompressible Turbulent Recirculating Flows.
 
Creator Majumdar, Sekhar
Sinha, UN
 
Subject Aerodynamics
Numerical Analysis
 
Description 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.
 
Publisher NAL
 
Type Proj.Doc/Technical Report
NonPeerReviewed
 
Format application/pdf
 
Identifier http://nal-ir.nal.res.in/10666/1/PP_CF_8904.pdf
Majumdar, Sekhar and Sinha, UN Development of a Finite Volume Algorithm for Calculation of Three Dimensional Incompressible Turbulent Recirculating Flows. Project Report. NAL, Bangalore.
 
Relation http://nal-ir.nal.res.in/10666/