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Cray XT3 Supercomputer Starts Shipping
Posted Wed October 27, 2004 @07:40AM
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Hardware techman wrote:

Global supercomputer leader Cray Inc. today reported that it has begun shipping the Cray XT3(TM) supercomputer, an industry standard massively parallel processing (MPP) system that strongly advances the record-setting scalability and sustained application performance of the renowned Cray T3D(TM) and Cray T3E(TM) systems. U.S. list pricing for the Cray XT3 supercomputer begins at about $2 million.

The first shipment was to the U.S. Department of Energy's (DOE) National Nuclear Security Administration's (NNSA) Sandia National Laboratories (Sandia). The Sandia system was developed and delivered under contract for the Advanced Simulation & Computing (ASC) program. Other initial customers include the Pittsburgh Supercomputing Center and the DOE's Oak Ridge National Laboratory.

( Read Full Article )

Application: CFD Aids Mineral Processing Industry
Posted Tue October 26, 2004 @08:23PM
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Application An AMIRA research program has delivered to the minerals-processing industry $295 million in direct financial benefits over the last six years for an investment of about $10 million, an independent evaluation has found. The industry-sponsored AMIRA P266 project to improve gravity thickeners has the potential to deliver an additional $250 million in benefits.

Dr John Farrow, of the Parker Centre and CSIRO Minerals, and leader of the P266 research team, says the concerted research focus on the performance of gravity thickeners has illuminated their mysterious inner workings.

Dr Robert La Nauze, WMC Resources' General Manager, Technology, says company engineers, working with Dr Farrow's team, had used the computational fluid dynamics (CFD) model developed by the team to improve flocculant dispersal in a thickener at its Mt Keith nickel operation in Western Australia.

( Read Full Article | Application )

New Software: ACUITIV™ Software Adds CFD Visualization Functionality
Posted Tue October 26, 2004 @08:15PM
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News ACUITIV Software, a leading provider of next-generation Computational Fluid Dynamics (CFD) visualization software, has announced the availability of ACUITIV v4.1. With the release of v4.1, ACUITIV Software now adds additional capabilities to further deliver an interactive, enterprise-class CFD visualization solution for industries worldwide, including automotive, aerospace & defense, power, and chemical processing.

Built on ACUITIV’s cutting-edge architecture which is based on VR Juggler™ and OpenGL™, ACUITIV v4.1 provides new features responsive to customer requests, a more comprehensive set of tools for reading a wider range of CFD dataset formats and adds AMD Opteron support for the Linux operating system.

( Read Full Article | New Software )

CFD Software Improvements Yield Benefits for Designers
Posted Fri October 22, 2004 @09:37AM
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News Automotive Design and Production has posted an article about recent improvements to CFD software and their effects on design engineering.

For years, CFD vendors have taken the geometry from computer-aided design (CAD) to build the CFD model for analysis. But, says Thomas Marinaccio, director of CFD Consulting Services for software vendor CD adapco Group in Melville, NY, it’s been a one-way transfer. “It’s dead,” he says, meaning the designer can’t modify the geometry once it’s inside CFD.

Funny, all the CFD vendors say their products are integrated to CAD. “That can mean several things,” explains Judd Kaiser, technical solutions specialist for fluids and meshing at Ansys Canada Ltd (Waterloo, Ont., Canada). Does it provide good data transfer? Does it provide a clean translation of the CAD geometry to the CFD meshing environment? Does the parametric model automatically update when the CFD mesh updates? Does the integration truly provide two-way connectivity? That is, once an optimum solution is understood in CFD, can the designer push changes back into the CAD system?

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SGI Releases Linux Visualization System
Posted Thu October 21, 2004 @08:14AM
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Hardware The Silicon Graphics Prism family stands apart in the visualization world, designed for breaking through barriers imposed by other computer system architectures and fundamentally reshaping the boundaries of what is possible.

"The pace of scientific discovery and engineering innovation has never been more aggressive," said Paul McNamara, senior vice president and general manager, Visual Systems Group, SGI.

The system allows researchers to:

  • Gain increased insight by easily working with all data, all the time, at terabyte data sizes and beyond
  • Discover hidden details by working at 100M Pixel resolutions
  • Eliminate time consuming data preparation by interactively visualizing billion polygon models

Leveraging the power of true scalability, Silicon Graphics Prism provides the ability to easily scale system resources within a system to meet each customer's interactive visualization needs. Whether you are a power user working individually with demanding data sets, part of a team interacting in a collaborative environment, or solving the world's most demanding problems by roaming through terascale data sets, the scalable architecture of the Silicon Graphics Prism family of products meets your needs today while providing the capability to easily expand in the future.

( Post Comment )

Application: CFD Used to Improve Water Treatment Systems
Posted Tue October 19, 2004 @09:14AM
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Application By David J. Burt,
Senior Engineer,
MMI Engineering

A secondary clarifier is the final treatment stage of a traditional activated sludge sewage works. It separates solid precipitate material from effluent water prior to discharge. Because of recent changes in environmental legislation, many treatment works in the UK are required to carry increased throughput or meet more stringent effluent quality limits. This means that more clarification capacity is needed. But with land in urban areas scarce and construction costs high, there is an increasing need to maximize the performance of existing units rather than build new ones.

The standard technique for designing a final clarifier is mass flux theory. However, this method uses a one-dimensional settling model and cannot account for the ‘density current’ flow typical in a clarifier.

( Read Full Article | Application )

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