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| Content Provider | Springer Nature Link |
|---|---|
| Author | Fu, Dexun Ma, Yanwen Zhang, Linbo |
| Copyright Year | 2000 |
| Abstract | The three-dimensional compressible Navier-Stokes equations are approximated by a fifth order upwind compact and a sixth order symmetrical compact difference relations combined with three-stage Ronge-Kutta method. The computed results are presented for convective Mach numberMc = 0.8 andRe = 200 with initial data which have equal and opposite oblique waves. From the computed results we can see the variation of coherent structures with time integration and full process of instability, formation of A -vortices, double horseshoe vortices and mushroom structures. The large structures break into small and smaller vortex structures. Finally, the movement of small structure becomes dominant, and flow field turns into turbulence. It is noted that production of small vortex structures is combined with turning of symmetrical structures to unsymmetrical ones. It is shown in the present computation that the flow field turns into turbulence directly from initial instability and there is not vortex pairing in process of transition. It means that for large convective Mach number the transition mechanism for compressible mixing layer differs from that in incompressible mixing layer. |
| Starting Page | 421 |
| Ending Page | 429 |
| Page Count | 9 |
| File Format | |
| ISSN | 10069283 |
| Journal | Science in China Series A: Mathematics |
| Volume Number | 43 |
| Issue Number | 4 |
| e-ISSN | 18622763 |
| Language | English |
| Publisher | Science in China Press |
| Publisher Date | 2000-01-01 |
| Publisher Place | Beijing |
| Access Restriction | Subscribed |
| Subject Keyword | compressible mixing layer transition turbulence compact scheme Applications of Mathematics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mathematics |
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