搜索结果: 1-9 共查到“理学 subgrid scale”相关记录9条 . 查询时间(0.078 秒)
A reduced-order modeling approach to represent subgrid-scale hydrological dynamics for land-surface simulations: application in a polygonal tundra landscape
reduced-order modeling represent subgrid-scale hydrological dynamics
2014/12/19
Existing land surface models (LSMs) describe
physical and biological processes that occur over a wide
range of spatial and temporal scales. For example, biogeochemical and hydrological processes res...
Mass-flux subgrid-scale parameterization in analogy with multi-component flows: a formulation towards scale independence
Mass-flux subgrid-scale multicomponent flows a formulation towards scale independence
2014/12/10
A generalized mass-flux formulation is presented, which no longer takes a limit of vanishing fractional areas for subgrid-scale components. The presented formulation is applicable to a~situation in wh...
Modeling of the subgrid-scale term of the filtered magnetic field transport equation
the subgrid-scale term the filtered magnetic field
2011/1/11
Accurate subgrid-scale turbulence models are needed to perform realistic numerical magnetohydrodynamic (MHD) simulations of the subsurface flows of the Sun. To perform large-eddy simulations (LES) of ...
A Fluid-Dynamical Subgrid Scale Model for Highly Compressible Astrophysical Turbulence
Fluid-Dynamical Subgrid Scale Model Highly Compressible Astrophysical Turbulence
2011/1/10
We formulate and implement the Euler equations with SGS dynamics and provide numerical tests of an SGS turbulence energy model that predicts the turbulent pressure of unresolved velocity fluctuations ...
Subgrid-Scale Eddy Parameterization by Statistical Mechanics in a Barotropic Ocean Model
Eddy Parameterization Barotropic Ocean Model Statistical Mechanics
2008/10/28
The feasibility of using a subgrid-scale eddy parameterization, based on statistical mechanics of potential vorticity, is investigated. A specific implementation is derived for the somewhat classi...
Sensitivity of Ventilation Rates and Radiocarbon Uptake to Subgrid-Scale Mixing in Ocean Models
Ventilation Rates Radiocarbon Uptake Subgrid-Scale Mixing Ocean Models
2008/7/23
The sensitivity of ventilation timescales and radiocarbon (14C) uptake to subgrid-scale mixing parameterization is studied in a global ocean model. Seven experiments are examined that are identical in...
Sensitivity of Ventilation Rates and Radiocarbon Uptake to Subgrid-Scale Mixing in Ocean Models
Ventilation Rates Radiocarbon Uptake Subgrid-Scale Mixing Ocean Models
2008/7/23
The sensitivity of ventilation timescales and radiocarbon (14C) uptake to subgrid-scale mixing parameterization is studied in a global ocean model. Seven experiments are examined that are identical in...
The Influence of Mesoscale Eddies on Coarsely Resolved Density: An Examination of Subgrid-Scale Parameterization
Mesoscale Eddies Coarsely Resolved Density Subgrid-Scale Parameterization
2008/7/11
Coarse-resolution numerical models of ocean circulation rely on parameterizations of unresolved mesoscale eddy effects. In order to investigate the role of eddy-flux divergences in the density equatio...
The Effects of Subgrid-Scale Parameterizations in a Zonally Averaged Ocean Model
Subgrid-Scale Parameterizations Zonally Averaged Ocean Model
2008/7/3
Isopycnal diffusion and an additional transport velocity parameterizing the effect of mesoscale eddies are implemented in the ocean component of a 2.5-dimensional zonally averaged coupled ocean–atmosp...