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CFD Analysis Piques Interest in Tidal Power
Posted Thu October 12, 2006 @05:25PM
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News The massive 30-foot tides of Alaska’s Cook Inlet and the resulting ebb and flow of powerful tidal currents break up sea ice, shorten ship transit times in the inlet and provide an unforgettable spectacle for tourists. But could these tides also become a significant electrical energy generator for the state?

A Petroleum News article describes how researchers have used CFD to assess the operation of different turbine designs and turbine farm configurations at each specific tidal power site, prior to testing the site using actual equipment.

( Post Comment )


Application: The Best CFD Averaging Methods for Distorted Flow Fields
Posted Tue October 10, 2006 @05:23PM
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Application By Mark Anderson,
VP of Software Development,
Concepts NREC

Which averaging technique will best characterize performance in CFD flow fields where distortion is observed?

Three-dimensional flow fields typically have some degree of distortion in the flow properties and flow profiles across a given cross section. These distortions can be quite significant in localized regions, for example at the exit plane of a radial compressor impeller. Because most designers are interested in averaged values of performance, the question often arises as to what averaging technique is the best to use.

( Read Full Article | Application )


Help with 2D UPWIND Solver
Posted Mon October 09, 2006 @08:38AM
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Help Desk tizianoghisu writes "I am trying to write a 2D solver for the Euler equations (initially ...) for simulating the flow inside a channel (or duct). Because the problem is advection dominated (even when I will introduce the stresses ...) I chose to use an upwind discretisation for the fluxes to avoid using artificial viscosity to stabilise the solutions. Initially I am trying a simple 1st order UPWIND (or cell-donor scheme), I might improve it later.

Everything works in 1D, but not in 2D. I guess the problems comes from the fact that the flow is more or less in the same direction of the pseudo-horizontal cell boundaries, and this gives me trouble when discretising the flux through the north and south boundaries.

Any suggestion on how to solve the problem pratically?

Thanks in advance"

( Post Comment )


Events: Chicken Soup for the CFD Soul
Posted Mon October 09, 2006 @08:28AM
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Announcements Computer Aided Engineering Associates will present Chicken Soup for the CFD Soul - a one-day seminar that will describe the fundamentals of computational fluid dynamics (CFD) theory and its applications, using hands-on workshop examples to illustrate the concepts of CFD.

The course will be held in three locations:
   11/06/2006 Denville, NJ
   11/07/2006 Long Island, NY
   11/09/2006 Middlebury, CT

( Read Full Article | Events )


Events: Workshop and Training Programme on Computational Fluid Dynamics
Posted Wed October 04, 2006 @05:40PM
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Announcements The Centre for Development of Advanced Computing will host a Workshop and Training Programme on Computational Fluid Dynamics in Pune, India on December 11-15, 2006.

The event is designed to foster the usage and generate expertise in the Computational Fluid Dynamics (CFD) area. The programme will cover theoretical and practical aspect of CFD. It also includes hands on sessions using PHOENICS, a general purpose CFD software developed by CHAM, UK.

( Read Full Article | Events )


Application: Visualizations Take Researchers Inside the Brain
Posted Tue October 03, 2006 @05:06PM
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Application At Rice University in Houston, Texas, members of the Team for Advanced Flow Simulation and Modeling (T*AFSM) are working with team members from other institutions to unlock mysteries of the circulatory system found within the human brain.

The group consists of researchers from Mechanical Engineering and Materials Science at Rice University, Baylor College of Medicine in Houston, and Bethel University in Minnesota. Their computational resources include the computer modeling methods and programs developed by the T*AFSM and a Cray XD1 supercomputer at Rice. The interdisciplinary team is using computational fluid mechanics and fluid-structure interaction to model cerebral arteries, with the goal of a better understanding—and ultimately, better diagnoses and prognoses—of cerebral aneurysms.

( Read Full Article | Application )


 
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