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AMD Opteron Ideal for Low-Cost CFD
Posted Thu May 01, 2003 @09:39AM
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Hardware AMD's newly released Opteron CPU has a number of features which make it an ideal CPU for a low-cost multi-processor CFD compute server. Let's take a look at some of the features most useful for CFD computations.

Support for 32-bit and 64-bit operation

Many people are starting to bump against the memory address limitations of 32-bit computing when running large CFD calculations. Moving to 64-bit computing raises the memory address limit from 2^32 (4 gigabytes) to 2^64 (16 exabytes) although it should be noted that the Opteron uses 40-bit physical memory addressing putting the limit at 1 terabyte of physical memory. (An exabyte is 1,000 petabytes, a petabyte is 1,000 terabytes and a terabyte is 1,000 gigabytes.) Such a change will be essential for running next generation CFD problems utilizing millions of grid points.

But many CFD applications (grid generation, for instance) will be fine running in 32-bit address space for some time to come. This is where the Opteron shines because it can run both 32-bit and 64-bit applications natively, whereas the Intel 64-bit processor (the Itanium) uses an emulation layer to run 32-bit applications. The result is good CPU performance in both modes.

( Read Full Article )

Flat Panel Displays Reviewed
Posted Thu May 01, 2003 @09:30AM
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Hardware CADALYST has reviewed 9 flat panel monitors for price and quality. Flat panel monitors offer a number of advantages over the old CRT (cathode ray tube) designs. Image quality is superior on flat panels because the image is produced digitally therefore there are no convergence issues or interference problems from nearby electrical equipment. A second area where flat panels shine is in desktop space savings. Large flat panels are only a couple of inches thick allowing them to be used in confined areas. Also, flat panel monitors are roughly 1/3rd the weight of CRT monitors and only draw about 15% of the power used by CRTs.

So, now that you are ready to upgrade to a flat panel, which is the best for the money? The CADALYST review ran the test monitors through a standard test suite from DisplayMate Technology. The CADALYST review then went on to include a number of qualitative tests such as stand quality and resistance to fingerprints.

In the end, all of the flat panels tested got high marks, but the Dell UltraSharp was chosen as the top monitor.

( Post Comment )

Events: AVL Offers FIRE and SWIFT Training
Posted Thu April 24, 2003 @10:23AM
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News Based on the great demand for training with the new release of FIRE v8.1.1 and SWIFT v3.1.1, AVL is pleased to provide professional upgrade training for our customers and prospects in Graz, Austria. For both FIRE and SWIFT, a basic introduction and an advanced training will be provided to give our customers a comprehensive overview of the new features.

If you are interested in basic training and a subsequent free demo license, get detailed information at

Training Dates:
FIRE Basic 5-6 May, 2003
FIRE Advanced 7-9 May, 2003
SWIFT Basic 12-13 May, 2003

( Post Comment | Events )

New Software: TGS, Inc. Releases Open Inventor 4.0
Posted Tue April 22, 2003 @10:02AM
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Post Processing TGS, Inc. is proud to announce the availability of its Version 4.0 of Open Inventor™. With this version of Open Inventor, TGS has taken customer-inspired enhancements and broadened both the functionality and flexibility of the Open Inventor toolkit. Open Inventor dramatically simplifies the design, development, deployment, and maintenance of scalable and interactive 3D applications and has become the de facto standard for development of cross-platform (Windows®, UNIX®, Linux®) 3D graphics applications in C++ and Java™.

Major enhancements in version 4.0 include: Native SoQt Library, Multi-Volume Support, Volume Geometry Nodes, Expanded Display Support, Bump Mapping Support, Improved Transparency, and much more.

( Post Comment | New Software )

Events: Join ThermoAnalytics in Germany
Posted Mon April 21, 2003 @08:18AM
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News ThermoAnalytics, Inc. US, a leader in developing advanced engineering analysis software for thermal heat management and infrared signature prediction, will exhibit at SimPat 2003 - the Simulation and Visualisation in Processes, Applications and Technologies in Nürnberg, Germany, 13-15 May 2003. Simulaniously we will present a paper on coupling cfd and radiation at the World Fluid Dynamics Days.

Meet our engineers personally at the exhibition at booth 8-125 in cooperation with Fluent by registering at before 30 April 2003.

Join our presentation on 14 May 2003 in Nürnberg and receive a 30% reduced registration fee by registering before 30 April 2003 by email at

( Post Comment | Events )

CFD Applications in the Chemical and Process Industries
Posted Wed April 16, 2003 @01:18PM
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News From the production of polymers in stirred tank reactors to the making of Italian pasta through the moulder-extruders, "optimisation" is the keyword for the process engineers and plant operators. The question commonly asked by process engineers and plant operators is how to achieve the target product quality consistently in the shortest time and with the minimum energy input. To answer these questions, the engineers need to have a good understanding of the processes in their equipment.

For example, how the fluid is stirred and heated or mixed with other fluids and reacted chemically. These processes are complex and their effects are often inter-linked with each other. For example, the mixing of two fluids leads to a chemical reaction which generates heat and change in fluid viscosity which in turns affects the way of mixing.

In the last decade Computational Fluid Dynamics (CFD) has become a widely used analysis tool by engineers to gain a better understanding of the complex flow processes in their equipment.

The CD adapco Group has published an article which details the ways in which CFD can be used to optimized these processes.

( Post Comment )

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