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Korea Buys Big Iron
Posted Mon July 23, 2001 @10:51AM
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News The Korea Institute of Science Technology and Information has purchased one of the 10 largest supercomputers in the world from IBM to use in its science and high performance computing research.

The machine will be used for natural and applied sciences such as life science, physics, chemistry and fluid mechanics (read CFD). The machine will use IBM's new Power4 technology.

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NASA CFD Technology Available Free for Limited Time
Posted Mon July 23, 2001 @08:56AM
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Solver Khaled S. Abdol-Hamid writes "PAB3D solves the three-dimensional Reynolds-averaged Navier-Stokes equations with a finite-volume formulation on structured multi-block grids. The PAB3D code was developed at NASA Langley Research Center under NASA Contract NAS1-19831 and the United States Government retains certain rights. The National Aeronautics and Space Administration, Langely Research Center (NASA LaRC), acting under the authority of the National Aeronautics and Space Act of 1958, as amended, and Analytical Services & Materials, Inc. (AS&M), jointly executed a Memorandum of Agreement (MOA) in order to foster commercialization of the PABWe emphasize state-of-the-art code development and application using finite-difference, finite-volume, and spectral methods for both research and design problems. Our expertise is built around the experience gained by supporting the development and continued enhancement of major CFD codes such as NASA's CFL3D, TLNS3D, OVERFLOW, FUN3D, USM3D, LAURA, VULCAN, and PAB3D. Areas of specialization include code development & validation, turbulence modeling, structured & unstructured grid generation, and thermodynamics & chemistry of reacting flows. AS&M specializes in custom built software for engineering and scientific applications3D software codes"

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Application: CFD Solves Shower Curtain Mystery
Posted Thu July 19, 2001 @05:10PM
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Application Engineer David Schmidt employed Fluent to determine why the shower curtain frustratingly sucks in during your shower.

By modifying Fluent to model sprays, Schmidt was able to model the standard shower configuration and determine that the water spray sets up a recirculating flow pattern which lowers the pressure on the inside of the curtain.

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Gas Flow Simulation at the Molecular Level
Posted Thu July 19, 2001 @09:42AM
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News The Direct Simulation Monte Carlo (DSMC) method is used to simulate rarified gas flows where the continuum Navier-Stokes equations become invalid. The DSMC method works by tracking the interaction of serveral particles, each of which represent a large number of real molecules.

GAB Consulting distributes a free Windows PC program for experimenting (in real time) with DSMC.

( Read Full Article )

Application: Combustion Research Using CFD
Posted Wed July 18, 2001 @04:28PM
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Application This NCSA article describes work being done at the State University of New York at Buffalo on combustion research. Aerospace engineer Cyrus Madnia is using Direct Numerical Simulation (DNS) to accurately predict the vortex structures within flames.

The article details the various turbulent structures used to stabilize flames and how they affect burning efficiency. The work is being done on a 16 cpu SGI Origin2000.

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CFD as a CAD Plug-in Anyone?
Posted Tue July 17, 2001 @01:30PM
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News German software developer NIKA has released [pdf] FloWorks 2001, a fluid analysis program for design engineers which works within SolidWorks.

The site claims that the software belongs to a new class of simulation software called Engineering Fluid Dynamics (EFD). Boasting complete CAD integration and engineering goal-oriented operation, the software requires less than 1 day of training to use.

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