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Application: CFD Leads to Better Filter Design
Posted Wed August 11, 2004 @11:47AM
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Application Extraction, a leader in semiconductor contamination measurement, has introduced a new filter system which puts proven technology in a significantly smaller footprint, enabling users to lower cost of ownership in deep UV (DUV) lithography.
"By using sophisticated computational fluid dynamics flow modeling techniques, we've succeeded in putting all the power and long-life filter protection of the E3000 in a much smaller footprint," David Ruede, Filtration Group Manager. "A smaller footprint quickly translates to significant savings in cost of ownership and gives users more installation flexibility. These are important advantages as new fabs ramp production and older fabs install new generations of lithography tools."

( Post Comment | Application )

New Software: OptimaNumerics Releases New Libraries
Posted Wed August 11, 2004 @11:39AM
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News OptimaNumerics, leader in high performance technical and scientific computing software, has introduced OptimaNumerics Libraries for Intel Xeon EM64T Linux platform.

OptimaNumerics Libraries for Intel Xeon EM64T provide customers with the highest performance numerical software components to enable efficient technical and scientific computations.

OptimaNumerics Libraries, with linear algebra, parallel linear algebra and parallel random number generators modules, provide high performance versions of LAPACK, ScaLAPACK, SPRNG and PLFG libraries. Benchmark results of OptimaNumerics Libraries for the 64-bit Xeon processor have shown significant performance improvements, with components delivering 50x faster solutions.

( Read Full Article | New Software )

Application: Research Aims for Happier Landings
Posted Wed August 11, 2004 @11:24AM
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Application A recent design engineering article explores how NASA researchers are investigating ways of making military sea-based aircraft landings safer.
The conditions in which sea-based military aircraft can operate are pretty limited: extreme waves, high winds, and the swirling currents of air created by the shape of the ships often conspire to make conditions too dangerous for flight. Now, novel methods of smoothing airflow over warships are being considered by, among others, the MoD and the US Navy.

Read the full article over at design engineering.

( Post Comment | Application )

Invitations to Tender – New NAFEMS Publications
Posted Fri August 06, 2004 @05:24PM
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Announcements The NAFEMS CFD Working Group wishes to commission two new "How to" booklets, as detailed below. Full details and instructions on how to submit your tender can be found at the NAFEMS website.

Booklet: How to Validate Industrial CFD

CFD practitioners in industry frequently use general-purpose "off-the-shelf" software packages to analyse details of flow problems peculiar to their own industry. Although the functionality of CFD software is normally verified and validated by the developer at the unit process level and against standard (canonical) flow experiments, there often remains a significant lack of credibility when it is used in new or more complex flows. The non-general applicability of particular RANS turbulence models is a primary source of uncertainty in flow prediction, but many other factors contribute to the need to verify the accuracy and reliability of flow calculations.

( Read Full Article )

Help Simulating Evaporating Wall in FLUENT
Posted Fri August 06, 2004 @05:18PM
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Help Desk gao naiping writes "I do CFD simulations in the field of HVAC. At this moment, I want to simulate the distribution of one poisonous gas in a ventilated room which is evaporated from one wall at a fixed mass flux. However, if I open the equation of species, the wall boundary conditions can only be set as fixed mass fraction or zero diffusion. Could you inform me how to set the wall boundary as fixed mass flux as to the species diffusion. If using UDF, could you give me more details?

By the way, In one of my cases, a human body is placed in a room. The geometry of the human body is obtained from 3D laser scan technique and the body surface is composed by 1200 small patches. If I want to calculate S2S radiation. Will there be any problem in the calculation of view factors?


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Sun Expands Its Opteron Product Line
Posted Fri August 06, 2004 @05:11PM
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Hardware Sun Microsystems, Inc. has significantly expanded its industry-standard, comprehensive product line based on Solaris x86 OS and the AMD Opteron processor, and announced the Sun Fire V20z Server Enterprise Essentials Promotion that can help dramatically reduce customers' total cost of acquisition over three years. With today's announcements, Sun is offering customers leadership and flexibility virtually unmatched by IBM, HP or Dell through industry-standard technologies that lead on price/performance, and Sun's complete spectrum of services and solutions. Sun's AMD Opteron processor-based solutions run the platinum standard for enterprise operating systems (OS) —Solaris, as well as Linux and Microsoft Windows through Windows Hardware Qualification List (WHQL) certification.

"Sun has established clear differentiation in the x86 market by offering Solaris x86 on AMD Opteron processors. This gives them an opportunity to take a strong position in the over $22.5B x86 systems market," said Vernon Turner, group vice president, IDC. "Initial data indicates very strong price/performance relative to other operating systems by taking advantage of the reliability and scalability features of Solaris and AMD's Opteron processor speed".

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