direct numerical simulations (DNS)
Effect of self-stratification on sediment diffusivity in channel flows and boundary layers: a study using direct numerical simulations
... from direct numerical simulations (DNS) of flows subjected to different levels of stratification, where the level of strati- fication is dependent on the particle size (parameterized using particle ...
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Direct numerical simulations of particle-laden density currents with adaptive, discontinuous finite elements
... High-resolution numerical models have become an im- portant tool for the detailed analysis of particle-laden den- sity current ...equations. Direct numerical simulations (DNSs) of particle- ...
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Direct numerical simulations of particle-laden density currents with adaptive, discontinuous finite elements
... High-resolution numerical models have become an im- portant tool for the detailed analysis of particle-laden den- sity current ...equations. Direct numerical simulations (DNSs) of particle- ...
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Using the Force: Applications and Implications of Turbulence Forcing Terms in Direct Numerical Simulations
... The simulations then resolve only the fluctuations using simple com- putational domains, while emulating the effect of the mean flow using "forcing" ...lence, Direct Numerical ...
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Further Investigation on Laminar Forced Convection of Nanofluid Flows in a Uniformly Heated Pipe Using Direct Numerical Simulations
... Abstract: In the present paper, laminar forced convection nanofluid flows in a uniformly heated horizontal tube were revisited by direct numerical simulations. Single and two-phase models were ...
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A Coupling Scheme for Direct Numerical Simulations with an Acoustic Solver
... a direct aeroacoustic simulation ...types, numerical methods and ...The numerical methods used are always explicit time integration methods with a time step that is chosen as large as possible in ...
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Dynamical Subgrid-scale Parameterizations for Quasigeostrophic Flows using Direct Numerical Simulations
... eddy simulations at T63 using bare parameters (no subgrid-scale parameterization), net dissipation (deterministic parameterization), and drain dissipation and backscatter (stochastic parameterization) were ...
316
Direct numerical simulations of helical dynamo action: MHD and beyond
... One-fluid MHD, as presented in equations (1) and (2) and used in the previous section, is the standard framework used for describing dynamo action in astronomical objects. It is a good approximation for the solar dynamo ...
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Direct numerical simulations of particle sedimentation with heat transfer using the Lattice Boltzmann method
... The direct-forcing IBM has been applied to solving many complex boundary problems [18]-[23] because it has good stability and hasn’t adjusted arbitrary ...the direct-forcing method with sharp interface ...
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Direct numerical simulations of passive scalars: effect of initial mixture fraction distribution on timescales
... Proceedings of The Australian Combustion Symposium Nov 6 - 8, 2013, The University Club of Western Australia Committees Conference Chair: Professor Dongke Zhang FTSE, The University of W[r] ...
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Modelling of Non-Spherical Particles in Dilute Non-Colloidal Suspensions Using SPH
... resolved Direct Numerical Simulations ...the numerical scheme is beyond the scope of this contribution, the reader is referred to [31,32] for technical details concerning details of the ...
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Control of Laminar Boundary-Layer Separation Using Steady and Harmonic Vortex Generator Jets
... detailed numerical investigations of active flow separation control using pulsed VGJs was direct numerical simulations (DNS) by Postl et ...Their simulations demonstrated that the ...
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Direct Numerical Simulations of Reaction Fronts Propagation under Quasi Periodic Gravitational Modulation
... The aim of this paper is to study the influence of quasi- periodic gravitational modulation on convective instability of reaction fronts in porous media. The model contains reaction diffusion equations coupled with the ...
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Electric field stabilization of viscous liquid layers coating the underside of a surface
... extensive numerical experimentation, were introduced to surmount these ...from direct numerical simulations that can be compared with the asymptotic model ...
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Analysis of Direct Numerical Simulations of ignition fronts in turbulent non premixed flames in the context of Conditional Moment Closure
... First order Chemistry x0.25.. First order Chemistry x0.25.[r] ...
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An improved turbulent boundary layer inflow condition, applied to the simulation of jets in cross flow
... This review chapter is focused on the various methods available to fluid dynamicists, capable of providing inflow boundary conditions for Direct Numerical Simulations DNS or Large Eddy S[r] ...
210
Modal and non-modal stabilities of flow around a stack of plates
... In direct numerical simulations (DNS) of the base flow initially perturbed by the modes, it is noticed that the weighted optimal initial perturbation induces peri- odic vortex shedding downstream of ...
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Bedrock incision by bedload: insights from direct numerical simulations
... We have presented the results of a new model for incision of a river bedrock based on the direct simulation of physi- cally based trajectories of pebbles in a stream. In this model we solved the equations of ...
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Modulational instability of Rossby and drift waves and generation of zonal jets
... with direct numerical simulations (DNS), comparing them with the solutions of the four-mode truncated (4MT) and the three-mode truncated (3MT) ...
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Subcritical Thermal Convection of Liquid Metals in a Rapidly Rotating Sphere
... [1]. Numerical models of planetary dynamos [2, 3] are widely used to study these strongly nonlinear ...most direct numerical simulations (DNS) of the dynamos have set the Prandtl number P r = ...
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