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analyse of a hot cylinder over supersonic flow |
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February 22, 2012, 08:56 |
analyse of a hot cylinder over supersonic flow
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hessam
Join Date: Feb 2012
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hi all
i want to analyse a cylinder over supersonic flow {thermal study and shock place) I model a symmetric 2D body in gambit and i apply these in fluent: i used steady state density-based solution with spalart almaras for model of turbulency i enabled the energy menu i put the operating pressure zero the boundary condition over the body was pressure far-field with mach Nom=2.5 and gauge pressure= 101235 pa and temp= 300 k for the body i used wall condition with flux=0 (i didn't know how to apply the temperature of cylinder for example 450 k) model for density was ideal gas and for viscosity i used Sutherland model when i started the iteration after few second i got the floating point error and sth about the limitation of temperature and ... where was the mistakes how can I get the answer in these problem i really need the answer please help |
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