Stability Analysis of Shock Wave/Boundary Layer Interactions - Jean ...

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Compressible Case: SWBLIResults: comparison between stability analysis and numerical simulation (2)SWBLI - Global Instability X. MERLE SINUMEF - ENSAM Paris 2008-07-15 16/19y/X sh0.2 Wf0.20.150.10.02650.02190.01740.01280.00830.00370.0012-0.0028-0.0069-0.0114-0.0155-0.0200y/X sh0.150.1Wf0.02030.01450.00950.00450.0019-0.0016-0.0030-0.0080-0.0130-0.0175-0.0225-0.02750.050.0500 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2x/X sh00 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2x/X sh0.5 Pf0.5 Pfy/X sh0.40.30.20.00840.00660.00490.00310.0013-0.0004-0.0022-0.0040-0.0057-0.0075-0.0092-0.0110y/X sh0.40.30.20.01410.01140.00860.00590.00320.0005-0.0023-0.0050-0.0071-0.0095-0.0123-0.01500.10.100 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2x/X shEigenfunctions - Stability Analysis00 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2x/X shFluctuating quantities - NumericalSimulation
Conclusion and ProspectsSWBLI - Global Instability X. MERLE SINUMEF - ENSAM Paris 2008-07-15 17/19Conclusionexistence of a global mode which characterizes the transition of theSWBLI from a 2D to a 3D steady state in a simple way ⇒ pertinentapproachProspect: improve the techniquecorrectly capture the convective modesinclude turbulence modelsdevelop finite-difference approach for curvilinear meshes (SWBLI in anozzle)
Page 1 and 2: SWBLI - Global Instability X. MERLE
Page 3 and 4: Why the shock wave / boundary layer
Page 5 and 6: Global Linear Stability TheoryTheor
Page 7 and 8: Incompressible case: Separated Boun
Page 9 and 10: Compressible Case: SWLBLIIntroducti
Page 11 and 12: Compressible Case: SWBLINumerical R
Page 13 and 14: Compressible Case: SWBLIDNS Compari
Page 15: Compressible Case: SWBLIResults: co
Page 19: Compressible Case: SWBLIDNS Compari

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