[PDF] Top 20 Lagrangian and Vortex-Surface Fields in Turbulence

... of vortex surfaces as Lagrangian surfaces is typically less than 5% in high-Reynolds-number TG and KP flows prior to times typical of a potential singularity time t ∗ ...of Lagrangian structures, ... See full document

... (Dated: March 1, 2008) We examine the probability distribution function (pdf) of energy injection rate (power) in nu- merical simulations of stationary two–dimensional (2D) turbulence in the Lagrangian ... See full document

... the turbulence inside the computational domain, and there is a strong need for ...turbulent fields can be generated by the so-called Multi-scale Minimal Lagrangian Map (MMLM), and the Multi-scale ... See full document

... the Lagrangian evo- lution of material elements, which has been pursued in [30, 31, 32, 33] (see also [34] for a recent ...the Lagrangian evolution of a linear element ...to turbulence in two and ... See full document

... theories in the frozen field (Fig. 14) is due to the fact that the statistics of the frozen field u(x) remain Gaussian. The effect of Gaussianity on the short-time decay of [r] ... See full document

... on Lagrangian statistics taken along trajectories of fluid particles, we found that the extreme events that generate steep scalar cliffs coincide with strong straining ...the Lagrangian stochastic ... See full document

... Abstract. Numerous systems of conservation laws are discretized on Lagrangian meshes where cells nodes move with matter. For complex applications, cells shape or aspect ratio often do not insure sufficient ... See full document

... isolated vortex ring in the limit of high Reynolds ...the vortex ring is unstable to azimuthal perturbations 19] whose rapid growth leads to the formation of a complex \turbulent" vortical structure ... See full document

... The surface of the cylinder was painted with highly concentrated fluorescein dye, and then immersed into still ...three-dimensional turbulence resulted in the majority of the dye being removed from the ... See full document

... mixed Lagrangian-Eulerian description of the evolution of the discretized vorticity eld is used for the numerical prediction of incompressible, uniformly sheared turbulent ...dimensional vortex dynamics ... See full document

... Synthetic surface drifter trajectories were generated using a wind- forced S-coordinate Primitive Equation Model (SPEM ...homogenous surface wind forcing was based on an observed wind time series that has ... See full document

... Received: 22 February 2019 – Discussion started: 1 March 2019 Revised: 13 June 2019 – Accepted: 27 June 2019 – Published: 17 July 2019 Abstract. Empirical flow field data evaluation in a well- studied ocean region along ... See full document

... optics, vortex-mediated turbulence without driving has been observed in nematic liquid crystals [27], chemi- cal reactions [28] and fluid dynamics ...driving, vortex turbulence can excite RWs ... See full document

... of vortex with embedded discontinuities in plasma flow is developed in the framework of ideal MHD in a low β ...plasma. Vortex structures are considered as a re- sult of 2-D evolution of nonlinear shear ... See full document

... (d) the same with τ = 10 days. field of a purely advected quantity. The right-hand column shows the M function at the surface z = 31.3 km obtained from particle trajectories in full 3-D calculations. Similarly to ... See full document

... 75 When the porosity decreases such that it enters the range of 0.67 ≤ φ ≤ 0.8, flow is entrained by the vortex interaction in a single direction that causes a shift in the stagnation point. Close to the ... See full document

... A MATLAB code is written to solve the equations of motion of the inertial and gas particles and which immediately calculates the corresponding FTLE fields at that time step. The code is tested for a simple case ... See full document

... the surface quasi-geostrophic model is a simple, but efficient model, for the representation of surface intensified ...that surface temperature vortices can merge only at closer range than their ... See full document

... Fully Lagrangian Approach (FLA) for the dispersed phase coupled with the DNS solver for the carrier phase, an axially symmetric transient particle-laden flow in a vortex ring has been ...a vortex ... See full document

... the vortex force, the Coriolis–Stokes force, and a modified pressure (Craik and Leibovich 1976; McWilliams et ...the surface Stokes drift; z is depth (negative); d is the Stokes pene- tration length ... See full document