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

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### 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

154

### Craig's XY distribution and the statistics of Lagrangian power in two dimensional turbulence

... (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

11

### Constrained multi-scale turnover Lagrangian map for anisotropic synthetic turbulence: A priori tests

... 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

24

### Lagrangian evolution of velocity increments in rotating turbulence: The effects of rotation on non-Gaussian statistics

... 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

25

### Lagrangian velocity correlations in homogeneous isotropic turbulence

... 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

20

### Micro structure and Lagrangian statistcs of the scalar field with a mean gradient in isotropic turbulence

... 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

34

### Robust numerical schemes for anisotropic diffusion problems, a first step for turbulence modeling in Lagrangian hydrodynamics

... 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

20

### Towards lagrangian large vortex simulation

... 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

16

### Lagrangian Visualization and Real-Time Identification of the Vortex Shedding Time in the Wake of a Circular Cylinder

... 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

128

### Prediction of growth of turbulence in a uniformly sheared flow using the vortex-in-cell method

... 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

14

### Lagrangian Time Series Models for Ocean Surface Drifter Trajectories

... 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

21

### Single super-vortex as a proxy for ocean surface flow fields

... 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

9

### Optical rogue waves in vortex turbulence

... 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

6

### Model for vortex turbulence with discontinuities in the solar wind

... 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

9

### Insights into the three-dimensional Lagrangian geometry of the Antarctic polar vortex

... (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

14

### Numerical Simulations of Turbulence in Porous Media – A Study on the Vortex Structure and Vortex Interactions at the Pore Scale.

... 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

118

### Lagrangian coherent structures of accumulating inertial particles in vortex flow on a disk

... 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

67

### Vortex merger in surface quasi geostrophy

... 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

28

### Modelling of a Two-Phase Vortex Ring Flow Based on the Fully Lagrangian Approach

... 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

6

### Langmuir turbulence and surface heating in the Ocean Surface Boundary Layer

... 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

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