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RISA Nested Grid, Nonhydrostatic, Elastic Model Using a Terrain-following Coordinate Transformation: The Radiative-nesting Boundary Conditions
Publisher: American Meteorological Society
Abstract: A nested grid, nonhydrostatic, elastic model using a terrain-following coordinate transformation is presented with a unique application of grid-nesting techniques to the time-splitting elastic model. To minimize the wave ...
Numerical Simulations of Gravity Currents in Uniform Shear Flows
Publisher: American Meteorological Society
Abstract: The purpose of this study is to examine the effect of wind shear on gravity currents in a neutral atmosphere by using a two-dimensional, nonhydrostatic primitive equation model. The depth of the gravity current is found ...
The Physics of the Marine Stratocumulus-Capped Mixed Layer
Publisher: American Meteorological Society
Abstract: In order to simulate the stratocumulus-capped mixed layer, a one-dimensional stratocumulus model is developed. This model consists of five major points: 1) a one-dimensional (1D) option of the CSU Cloud/Mesoscale Model, ...
Characteristics of Transient Electroosmotic Flow in Microchannels With Complex Wavy Surface and Periodic Time Varying Electric Field
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical investigation is performed into the flow characteristics of the electroosmotic flow induced within a microchannel with a complexwavy surface by a timevarying periodic electric field. The simulations focus ...
Effects of Mesoscale Convergence on Cloud Convection
Publisher: American Meteorological Society
Abstract: A two-dimensional time-dependent cloud model was used in this research to investigate the effects of mesoscale convergence on cloud convection. A Klemp and Wilhelmson type boundary condition was tested which allows inflow ...
Natural Convection Heat Transfer Performance of Non Newtonian Power Law Fluids Enclosed in Cavity With Complex Wavy Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical simulations are performed to investigate the natural convection heat transfer performance of nonNewtonian powerlaw fluids in a cavity bounded by wavy vertical walls with different temperatures and flat horizontal ...
Numerical Simulations of Upstream Blocking, Columnar Disturbances, and Bores in Stably Stratified Shear Flows over an Obstacle
Publisher: American Meteorological Society
Abstract: A two-dimensional, nonhydrostatic, elastic numerical model has been used to study the generation of gravity waves for a stably stratified shear flow over an obstacle. When a low-level wind shear is included in the simulation, ...
Numerical Simulations of an Observed Gravity Current and Gravity Waves in an Environment Characterized by Complex Stratification and Shear
Publisher: American Meteorological Society
Abstract: Numerical simulations of a gravity current in an environment characterized by complex stratification and vertical wind shear have been performed using a nonhydrostatic, two-dimensional, dry, primitive-equation model. Data ...
Numerical Simulations of an Observed Narrow Cold-Frontal Rainband
Publisher: American Meteorological Society
Abstract: A cold-frontal rainband, which occurred during the afternoon of 28 December 1988, is numerically simulated using the Penn State?NCAR three-dimensional MM5 modeling system. This case is characterized by a line of severe ...