Evolution of Lagrangian and vortex-surface fields
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, ...
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A hybrid differential evolution augmented Lagrangian method for constrained numerical and engineering optimization
... differential evolution (DE) ability to find global optimum in problems with complex design spaces while directly enforcing feasibility of constraints using a modified augmented Lagrangian multiplier ...the ...
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What Controls Stratocumulus Radiative Properties? Lagrangian Observations of Cloud Evolution
... diurnal evolution such that clouds that are optically thicker than about 10 during the morning are unlikely to break up over the course of the day but will instead show a large diurnal cycle in optical ...Sea ...
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Insights into the three-dimensional Lagrangian geometry of the Antarctic polar vortex
... the surface z = ...is Lagrangian, but here we obtain more fundamental information in this re- ...time evolution of any purely advected scalar field, while the previous one displays just the ...
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A simple kinematic model for the Lagrangian description of relevant nonlinear processes in the stratospheric polar vortex
... the Lagrangian footprint of the planetary waves present in the Southern Hemisphere stratosphere during the exceptional sudden Stratospheric warming event that took place during September ...parcel ...
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A PARTICLE-BASED LAGRANGIAN CFD TOOL FOR FREE-SURFACE SIMULATION
... equations. Lagrangian formulations do not require the discretization of a convective term as evolution laws for fluid magnitudes are expressed in material derivatives unlike mesh-based ...
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Hamiltonian formulation of the problem of a single vortex evolution on a beta-plane
... studying evolution of a single synoptic vortex on the ß-plane has permitted to generalize the earlier- proposed theory by supplementing balance of the forces influencing the vortex with the inertial ...
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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 ...
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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 ...
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Vortex merger in surface quasi geostrophy
... nonlinear surface quasi-geostrophic equations are used to investigate the finite-time evolution of initially identical and sym- metric, constant temperature ...
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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 ...
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Determining the vortex tilt relative to a superconductor surface
... the vortex core with uniaxial anisotropy is illustrated in ...magnetic fields from vortices become weaker as the tilt angle increases, at the same time as the vortex shape becomes more elongated in ...
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Lagrangian Visualization and Real-Time Identification of the Vortex Shedding Time in the Wake of a Circular Cylinder
... velocity fields allows for the visualization of the Lagrangian saddle behavior during the vortex formation process, and the downstream data allows for large enough separation to occur between FTLE ...
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Microstructure evolution and surface cleaning of Cu nanoparticles during micro-fields activated sintering technology
... forming fields activated sintering technology (Micro-FAST). Surface-cleaning of particles, especially during the initial stage of sintering, is a crucial issue for the densification ...of ...
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The evolution of surface magnetic fields in young solar-type stars I: the first 250 Myr
... the evolution of magnetic field in solar-type stars from the PMS, through the ZAMS, and down on to the ...the evolution of magnetic properties at young ages, from the PMS to the ZAMS, is primarily driven by ...
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Vortex evolution in the near wake behind polygonal cylinders.
... 4. Conclusions The wakes behind various polygonal cylinders are systematically studied at subcritical regime, Re = 1.6×10 4 . The side number N of the polygonal cylinder is 3 to 16, along with N = ∞ (a circular cylinder) ...
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The evolution of microphysical and optical properties of an A380 contrail in the vortex phase
... particle fields, we re- frain from giving mean values for these ...the vortex sinking leads to adiabatic heating and subsequent sublimation processes of the ice crystals (Lewellen and Lewellen, ...
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The evolution of microphysical and optical properties of an A380 contrail in the vortex phase
... particle fields, we re- frain from giving mean values for these ...the vortex sinking leads to adiabatic heating and subsequent sublimation processes of the ice crystals (Lewellen and Lewellen, ...
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Satellite and lagrangian observations of mesoscale surface processes in the southwestern Atlantic Ocean
... respectively. The annual cycle was found in PCI at 11.6 months. Intrannual oscillations were centred in peaks ranging from 6.6 months to 10 months. Analysis of the original monthly averaged MCSST images for the period ...
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Polar vortex evolution during Northern Hemispheric winter 2004/05
... 10 Leibniz-Institut fur Atmospharen physik an der Universitat Rostock, K¨uhlungsborn, Germany 11 Department of Electrical and Computer Engineering, University of Alaska, Fairbanks, USA Received: 20 February 2007 – ...
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