Selective decay and coherent vortices in two-dimensional incompressible turbulence

dc.contributor.authorMatthaeus, William H.
dc.contributor.authorStribling, W.
dc.contributor.authorMartinez, Daniel
dc.contributor.authorOughton, Sean
dc.contributor.authorMontgomery, David
dc.date.accessioned2014-04-04T02:07:37Z
dc.date.available2014-04-04T02:07:37Z
dc.date.copyright1991-05
dc.date.issued1991
dc.description.abstractNumerical solution of two-dimensional incompressible hydrodynamics shows that states of a near-minimal ratio of enstrophy to energy can be attained in times short compared with the flow decay time, confirming the simplest turbulent selective decay conjecture, and suggesting that coherent vortex structures do not terminate nonlinear processes. After all possible vortex mergers occur, the vorticity attains a particlelike character, suggested by the late-time similarity of the streamlines to Ewald potential contours.en_NZ
dc.format.mimetypeapplication/pdf
dc.identifier.citationMatthaeus, W., Stribling, W., Martinez, D., Oughton, S., & Montgomery, D. (1991). Selective decay and coherent vortices in two-dimensional incompressible turbulence. Physical Review Letters, 66(21), 2731â 2734. doi:10.1103/physrevlett.66.2731en_NZ
dc.identifier.doi10.1103/physrevlett.66.2731en_NZ
dc.identifier.urihttps://hdl.handle.net/10289/8626
dc.language.isoenen_NZ
dc.publisherAmerican Physical Societyen_NZ
dc.relation.ispartofPhys. Rev. Lett.
dc.rights© 1991 The American Physical Society.en_NZ
dc.subjectturbulenceen_NZ
dc.titleSelective decay and coherent vortices in two-dimensional incompressible turbulenceen_NZ
dc.typeJournal Articleen_NZ
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