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# Topic: Fluid Dynamics

###### In the News (Wed 19 Jun 19)

 Online Encyclopedia and Dictionary - Fluid dynamics Fluid dynamics is the study of fluids (liquids and gases) in motion, and the effect of the fluid motion on fluid boundaries, such as solid containers or other fluids. Fluid dynamics is a branch of fluid mechanics, and has a number of subdisciplines, including aerodynamics (the study of gases in motion) and hydrodynamics (liquids in motion). The central equations for fluid dynamics are the Navier-Stokes equations, which are non-linear differential equations that describe the flow of a fluid whose stress depends linearly on velocity and on pressure. www.fact-archive.com /encyclopedia/Fluid_dynamics   (961 words)

 Computational Fluid Dynamics Encyclopedia Article @ LaunchBase.net (Launch Base)   (Site not responding. Last check: 2007-10-21) Computational fluid dynamics (CFD) is the use of computers to analyze problems in fluid dynamics. One method is to discretize the spatial domain into small cells to form a volume mesh or grid, and then apply a suitable algorithm to solve the equations of motion (Euler equations for inviscid, and Navier-Stokes equations for viscid flow). Lastly, if the problem is highly dynamic and occupies a wide range of scales, the grid itself can be dynamically modified in time, as in adaptive mesh refinement methods. www.launchbase.net /encyclopedia/Computational_fluid_dynamics   (2587 words)

 Encyclopedia :: encyclopedia : Geophysical Fluid Dynamics Laboratory   (Site not responding. Last check: 2007-10-21) The Geophysical Fluid Dynamics Laboratory (GFDL) is a laboratory in the National Oceanic and Atmospheric Administration (NOAA)/Office of Oceanic and Atmospheric Research (OAR). GFDL is engaged in comprehensive long lead-time research to expand the scientific understanding of the physical processes that govern the behaviour of the atmosphere and the oceans as complex fluid systems. These systems can then be modeled mathematically and their phenomenology can be studied by computer simulation methods. www.hallencyclopedia.com /Geophysical_Fluid_Dynamics_Laboratory   (154 words)

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