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AMD Launches Low-Power Opteron Processors
Posted Thu February 19, 2004 @12:05PM
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Hardware AMD has announced an expansion of its awarding-winning AMD Opteron processor family, featuring low- and mid-power products. With the new low-power AMD Opteron processors, enterprise customers can now employ a common infrastructure based on AMD64 technology at all levels of their enterprise environments — from high-performance clusters to blade servers.

The AMD Opteron processors HE (55 watt) and EE (30 watt) for servers and workstations, which are expected to be available in March, bring world-class 32-bit performance and easy migration to 64-bit computing to customers who demand increased compute density, investment protection for the future and the most performance per watt of any processor in their class as measured by the industry-standard benchmark suite SPEC cpu2000.

( Read Full Article )

Application: CFD Aids Radical Compact Pump Design
Posted Thu February 19, 2004 @10:41AM
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Application Design engineers at Ebara Research, specialists in pump design, have designed a super compact design stage for a mixed-flow pump using TURBOdesign-1 provided by Advanced Design Technology.

The design specification was driven by the need to provide a super compact pump size to radically reduce the machine weight for a marine application as well as to reduce the construction costs of a large pump station.

Using TURBOdesign-1 to quickly assess different numbers of blades and design conditions, the flow conditions were optimized for the application. The blade surface pressure distribution of the impeller was optimized to achieve high suction performance, and the secondary flows and flow separation were controlled for the diffuser blades to ensure high efficiency for the heavily loaded diffuser.

( Read Full Article | Application )

Sun Microsystems Previews 64bit Offerings
Posted Fri February 13, 2004 @02:39PM
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Hardware techman wrote in with 64bit computing news from Sun:

Sun Microsystems, Inc. today previewed the Solaris 10 Operating System, the upcoming version of its award-winning OS for systems based on UltraSPARC and x86 microprocessors. The new release, with early access versions available for download this summer, is the result of 20 years of research and development and will propel Sun's customers and partners over the next decade.


Sun Microsystems, Inc. today delivered on its promise of extreme performance at compelling price points with the new Sun Fire V20z server featuring the screaming performance of the AMD Opteron processors and all the benefits of the Sun Java Enterprise System running on either the Solaris(tm) Operating System or Linux. Sun also announced new innovations to the Sun Fire B1600 blade platform, including the new Sun Fire B200x dual processor x86 blade and the newest edition of Sun's N1 Grid Provisioning Server, which allows customers to seamlessly mix, match and manage x86 and UltraSPARC blades running either the Solaris Operating System or Linux as one pool of resources.

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Application: Hot or Cold Interiors? Software Assures They're Just Right
Posted Wed February 11, 2004 @09:01AM
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Application Recent automotive trends such as increased use of glass, tightening fuel constraints, and the move to environmentally safe refrigerants have made it more difficult to keep drivers and passengers comfortable.

A Machine Design article explores the use of CFD by designers at Delphi-Harrison Thermal Systems, Lockport, N.Y. to develop a thermal-comfort model that accurately and quickly evaluates automotive HVAC systems.

The model uses computational-fluid dynamics (CFD) to calculate local thermal comfort as a function of air temperature, surrounding surface temperatures, air velocity, humidity, direct solar heating, as well as the activity level and clothing of each individual. The model takes climactic conditions in which the vehicle is operating to develop a thermal model of the passenger compartment. Results serve as inputs to the model of the human thermal regulatory system, which predicts human comfort.

( Read Full Article | Application )

Events: Gridgen User Group Meeting
Posted Tue February 10, 2004 @05:58PM
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News Pointwise is pleased to announce the first Gridgen User Group Meeting to be held in our hometown of Fort Worth, Texas on April 5-6, 2004. The meeting, to be held at the Renaissance Worthington Hotel, will include special Gridgen training seminars, presentations by Pointwise staff on new Gridgen developments, user presentations, and exhibits by our partners. This will be a good opportunity for Computational Fluid Dynamics (CFD) users to learn about the latest Gridgen features, get a glimpse of future developments, and network with other CFD experts from around the world. Conference registrations have been received from Gridgen users worldwide, including Japan, Germany, United Kingdom, and many U.S. states.

Special Gridgen training seminars are scheduled for Monday, April 5. The morning session, Gridgen V15 New Features, will cover features in the latest Gridgen release. The afternoon training session, Gridgen Tips and Tricks, will be an overview of many helpful Gridgen V15 techniques used by experts to acheive the most efficient use of the software.

( Read Full Article | Events )

Application: Viennese Whirl
Posted Mon February 09, 2004 @05:41PM
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Application Almost 80 years ago Viennese inventor Ernst Schneider had a very good idea; an idea that had the potential to make ships more manoeuvrable than had ever been possible with the conventional screw propeller.

An e4engineering article describes Schneider's system that combined propulsion and steering in a single unit and allowed thrust of varying magnitude to be generated in any direction.

Until recently all knowledge of the hydrodynamic behaviour of the propeller was based on extensive model testing. However, the adoption of CFD software by propeller manufacturer Voith has enabled its design team to improve its behaviour substantially.

( Read Full Article | Application )

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