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Quadro FX: the Next Generation
Posted Tue May 23, 2006 @12:30PM
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Hardware NVIDIA has released new workstation graphics cards which promise more power for desktop and mobile users. The Quadro FX family has six new solutions for high-end, mid-range and entry-level professionals. The graphics cards are available from workstation vendors such as Dell, and Sun.

Greg Corke at MCAD Online has reviewed the new Quadro FX cards and is impressed with their performance, especially at the entry level.

( Post Comment )

Coupled CFD and FEA Analysis Opens New Design Avenues
Posted Tue May 23, 2006 @12:19PM
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News The coupling of structural and fluid analysis allows designers to examine the effects of fluid-structure interaction, effects which can be used to improve the overall design, such as a Formula One car's wing which deflects at certain speeds to achieve different performance.

An Engineer Online article explores the technology behind coupling FEA and CFD analysis and the benefits of doing so.

In the 'real world', physical phenomena tend to act together: an aerodynamic wing, for instance, needs to be modelled for stress, vibration and fluid flow. The design of these kinds of systems using single-phenomenon behaviour currently entails many back-and-forth iterations until an optimum is reached.

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No Mesh, No Fuss
Posted Mon May 22, 2006 @04:25PM
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News A Mechanical Engineering Magazine article describes the use of meshless finite element analysis. Rather than basing the computational method on a discrete mesh, the algorithm works with the analytical CAD surfaces defining the model.

"Right now, CAD systems have one framework for geometry and materials distribution, and analysis systems have another for behavior," Subbarayan said. "We've provided a mathematical framework that unifies geometry, material distribution, and behavior."

In the future, Subbarayan and his fellow researchers would like their software to be able to analyze for the coupled physical phenomena that are often a part of real-life engineering problems.

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Application: CFD Helps Design Future Combat Vehicle
Posted Mon May 22, 2006 @04:17PM
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Application To meet the goal of lighter combat vehicles with equivalent firepower, muzzle brakes that redirect part of the gun's propellant flow backwards to reduce the gun's recoil are required. But this redirection must be accomplished while keeping the blast overpressure on the vehicle itself low enough to prevent injury to nearby soldiers as well as damage to the vehicle.

A Desktop Engineering article describes how engineers at the Army's Benét Laboratories in Watervliet, New York, have begun using CFD (computational fluid dynamics) to model the gun's recoil forces and blast pressures for different muzzle brake designs to provide optimized solutions of low recoil force with acceptable blast overpressure.

( Read Full Article | Application )

Events: STAR American Conference 2006
Posted Sun May 21, 2006 @09:46PM
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News CD-adapco is pleased to announce the addition of Dr James Layek, Director of the Clemson University Computational Center for Mobility Systems at the STAR American Conference Sheraton Detroit Novi (May 23-24, 2006).

Dr. Laylek will join our other keynote speakers in Detroit; David Cole, from the Center for Automotive Research in Ann Arbor and John L. Givens Jr., GM Powertrain Director and Lawrence Willey, Manager of Compliance, Documentation, & Intellectual Property for GE Infrastructure - Wind Systems Engineering in San Diego.

( Read Full Article | Events )

New Software: Hanley Upgrades MultiSurface Aerodynamics
Posted Fri May 19, 2006 @07:32AM
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News Hanley Innovations, a leader in the development of software for aerodynamics conceptual design and analysis, announced that a series of enhancemance were made to MultiSurface Aerodynamics to improve its performance and modeling capabilities. MultiSurface Aerodynamics is a Windows based software package for rapid aerodynamics conceptual and preliminary analysis and design of wings and other lifting surfaces.

MultiSurface Aerodynamics was updated to allow mirror imaging in the x-z plane (at y=0). This enhancement uses only half of the computational effort to analyze surfaces that use this plane as a reflective surface. Applications include keel & rudder analysis, sail analysis, symmetrically loaded wings and simulating side wall effects.

( Read Full Article | New Software )

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