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<- [[:chaosbook]] ====== Chapter: Turbulence? ====== (ChaosBook.org blog, chapter [[http://chaosbook.org/paper.shtml#PDEs|Turbulence?]]) --- //[[predrag.cvitanovic@physics.gatech.edu|Predrag Cvitanovic]] 2009-03-08// (the latest posts within a section at the top, blog-style) {{gtspring2009:pc.jpg}} ===== Plumbers unite! A manifesto ===== [[researchProgram|click here]] ===== A plane Couette blog ===== [[pCf|click here]] ===== Rėsumė ===== Mark here when summary completed. ===== Commentary ===== Here all references to external literature (avoid them in the text proper, it is meant to be self-contained). ==== Bifurcations - nomenclature ==== F.H. Busse: Many fluid flows exhibit sequences of bifurcations in which new dynamical mechanisms are introduced. Symmetries are broken in each bifurcation. * __primary state__ exhibits full symmetries of the system (example: laminar solution) * __secondary states__ take - for planar flows - form of //2d// rolls * __tertiary states__ are full //3d// structures (examples: equilibria of plane Couette) * __quaternary states__ a time-periodic //3d// invariant solutions (examples: traveling waves?) ===== Exercises ===== ===== References ===== Mark here when correctly ordered. OK to have references not cited, as long as they are relevant to this chapter. ~~DISCUSSION~~
