[PDF] Top 20 Towards lagrangian large vortex simulation
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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
Numerical framework for the computation of urban flux footprints employing large-eddy simulation and Lagrangian stochastic modeling
... were now directly obtained from their corresponding LES grid cells. Figure 5 illustrates the effect of target volume dis- cretization by comparing crosswind integrated footprints f ¯ y at different levels of refinement. ... See full document
19
The stochastic vortex simulation of an unsteady viscous flow in a multiconnected domain
... We found an additional eect of the pressure correctness condition|it stabilises the numerical process. When this condition is switched o then, after relatively small number of steps, the velocity attains locally very ... See full document
15
Fast numerical simulation of vortex shedding in tube arrays using a discrete vortex method
... The steady state mass and heat transfer in heat exchanger tube bundles have been successfully modelled numerically by making use of the periodic nature of the geometry (e.g. Johnson et al., 1993; Beale & Spalding, ... See full document
17
Numerical Analysis of Unsymmetric Flatbak Trailing Edge Airfoil to Reduce Turbomachinery Noise in Power Generation Cycle
... to vortex shedding behind TE when compared with a sharp ...numerical simulation. In order to do so, the flow was simulated using large eddy simulation (LES) and the noise was analysed by ... See full document
16
Large-scale-vortex dynamos in planar rotating convection
... dynamo problem for velocity fields obtained from the full convective velocity by the removal of selected spectral modes, with the aim of identifying which modes are the key players in the dynamo process. Note that only ... See full document
29
Lagrangian coherent structures of accumulating inertial particles in vortex flow on a disk
... in vortex flow on a disk and its Lagrangian Coherent Structures is ...numerical simulation of inertial and gas particles, as in a gas-particle separator with a region of high vorticity, is ... See full document
67
Vortex particle-mesh simulations of vertical axis wind turbine flows: from the airfoil performance to the very far wake
... A vortex particle-mesh method, here briefly presented, has been applied to large-scale and high-resolution large-eddy simulation (LES) of VAWT ...the vortex dy- namics at work inside ... See full document
12
Identification of Lagrangian Coherent Structures around Swimming Jellyfish from Experimental Time-series Data
... the Lagrangian particles at t = 1; (c) shows the corresponding backward-time FTLE field of the vortex dipole flow; (b) and (d) plot the corresponding FTLE field at after 39 time ...The Lagrangian ... See full document
38
Optimisation of the simulation particle number in a Lagrangian ice microphysical model
... the Lagrangian ice microphysics code ...of simulation ice particles (SIPs) used to represent the bulk of real ice ...a large number of SIPs is ... See full document
15
3D vortex simulation of flow in an opposed-piston engine
... of vortex elements in the domain peaked at ...the vortex tiles were rather ...the large scales of the flow only, and to draw qualitative conclusions with regard to the flow dynamics in this complex, ... See full document
12
Incorporating terminal velocities into Lagrangian stochastic models of particle dispersal in the atmospheric boundary layer
... relatively large number of particles moving upwards, which are slowed by gravity, and a relatively small number of particles moving downwards and being accelerated by ...average Lagrangian velocity of any ... See full document
17
Simulation of heat-vortex interaction by the diffusion velocity method
... new vortex scheme for simulating flows involving interaction of temperature and vorticity is ...a vortex pair from a temperature particle or by changing the strength of ...the vortex number from ... See full document
11
Numerical Simulation of a Vortex Combustor Based on Aluminum and Steam
... is large enough, the combustion efficiency reaches a critical value, and when the combustion efficiency is lower than the value, the aluminum particles will not be able to sustain ... See full document
15
Insights into the three-dimensional Lagrangian geometry of the Antarctic polar vortex
... the Lagrangian outputs obtained from the full 3-D scenario at constant heights (spherical shells) with those obtained from the 2-D scenario for potential tempera- ture surfaces that are approximately at the same ... See full document
14
A Coupled Simulation Method For A Vortex-Induced Vibration System
... Airfoil shape is used in car spoiler and wing, this shape is usually inverted to provide desired effects. Inverted airfoil has a low pressure suction region on the lower surface and high pressure suction region on the ... See full document
24
University of Warsaw Lagrangian Cloud Model (UWLCM) 1.0: a modern large-eddy simulation tool for warm cloud modeling with Lagrangian microphysics
... decade, Lagrangian particle-based cloud mi- crophysics schemes have been drawing increasing ...that Lagrangian schemes have no numerical dif- fusion in the spectrum of droplet ...Several Lagrangian ... See full document
20
Numerical simulation of the starting flow down a step
... in Lagrangian form is governed by a simple rst order ordinary dierential equation where the vortex elements are convected in the velocity eld while they preserve their individual ...the vortex ... See full document
10
The backward Ito method for the Lagrangian simulation of transport processes with large space variations of the diffusivity
... with large gradients on the initial con- centration ...the Lagrangian meth- ods models may be computationally more efficient than their Eulerian counterparts (Hunter, 1987; Spivakovskaya et ... See full document
11
Lagrangian and Vortex-Surface Fields in Turbulence
... of vortex sizes appears to be involved in this multi-stage ...for large-eddy simulation (LES) can be constructed ...of vortex surfaces may be relevant to the mechanism of vortex ... See full document
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