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Application: CFD Used to Improve Missile Control
Posted Fri August 13, 2004 @04:43PM
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Application A new desktop engineering article covers the development of a novel flow control system for missiles using actuators and advanced control algorithms. Instead of traditional hinged control surfaces, the aerodynamic surface contains an embedded system of miniature sensors on the outer surface, control actuators, and a real-time feedback controller just below the surface, all of which are unseen from the exterior. Displacement of the actuators creates a large effect on the flowfield around that region.
To validate its research findings and test active flow control system prototypes, ORI’s Aerodynamics Group relies on low- and high-speed wind tunnel tests and CFD simulations. "By combining CFD analysis with wind tunnel experiments," Patel explained, "we are able to reduce the total turnaround time for feasibility studies as well as systems development."

Read the full article for more details.

( Post Comment | Application )

Events: Advanced CFD Technologies Seminar
Posted Fri August 13, 2004 @04:37PM
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News Join ANSYS for one of a new series of one-day educational seminars in the US Southeast entitled Advanced CFD Technologies Featuring ANSYS ICEM CFD and CFX. At this free seminar, you’ll learn how you can tackle CFD challenges—from pre-processing to solution to post-processing—quickly, accurately and cost-effectively.

Using a combination of real-world customer examples and live demonstrations, our experts will discuss how ICEM CFD and CFX can shorten product design times and improve product development processes. In the morning session, you’ll learn how ICEM CFD improves grid generation and the afternoon session will inform you how the advanced solver technology in CFX provides quick and accurate results for complex, real-world problems.

September 14, 2004
Laurel, MD
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September 15, 2004
Huntsville, AL
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October 6, 2004
Orlando, FL
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The seminar is designed for engineers, product designers and managers who play a role in product development and verification.

( Post Comment | Events )

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 )

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