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Computational Analysis on the Mac?
Posted Wed December 11, 2002 @03:14PM
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Hardware Apple computer has recently released some high performance machines coupled with their strong UNIX-based operating system (OS X). Their latest offering is all of the above contained in a scalable 1U rack system called the Xserve.

So, with CPU power and a great OS available in a scalable platform one question remains -- Where is the analysis software for this baby?

None of the major CFD vendors support Apple hardware. If you would like to see analysis software ported to the Apple platform, there is a way you can get the ball rolling. ANSYS has opened an online poll asking for input on ANSYS support for Apple hardware.

If you would like to respond directly to Apple please contact David Park,, with your input on Ansys and other products you would like to see on the Apple platform.

( Post Comment )

Business: CD Adapco Japan, ITI Sign Agreement
Posted Wed December 11, 2002 @12:23PM
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News ITI TranscenData has signed a major OEM agreement with CD-adapco Japan. This agreement will see CADfix, ITI TranscenData's leading engineering data interoperability tool become an integral part of CD-adapco Japan's leading edge pre/post processor, Pro-Modeler.

Developed by CD-adapco Japan specifically for the Asian market, Pro-Modeler is sold via CD-adapco and its partners throughout the Asia Pacific region as a pre/post processor to its low end computational fluid dynamics (CFD) software, STAR-LT. Pro-Modeler users will be able to take advantage of embedded CADfix functionality from the next release of Pro-Modeler in the first quarter of 2003.

The OEM deal with CD-adapco Japan will see CADfix's automatic batch processing tools bundled with every seat of Pro-Modeler. This will allow users to import STEP, IGES, ACIS, Parasolid and (optionally) CATIA models directly into Pro-Modeler, with CADfix taking care of the necessary translation to Pro-Modeler's ACIS kernel.

( Post Comment | Business )

HP White Paper: The Power of Intel 64-bit Linux
Posted Fri December 06, 2002 @12:14PM
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Hardware HP has posted a white paper describing the powerful combination of Intel Itanium 2 processors and 64-bit Red Hat Linux in HP's latest workstations.

The rise of 64-bit computing in technical environments is attributed to two primary benefits of 64-bit systems: floating point performance and virtual address space.

Floating point performance of 64-bit Itanium 2-based systems is significantly faster— approximately 45 percent, by one measure—than the floating point performance of IA-32 systems. On industry benchmark results reported to the SPEC organization, the 1GHz HP Workstation zx6000 posted the world’s fastest floating point performance— 1,356, and HP expects to soon post the even-higher result of 1,410. By comparison, the fastest IA-32 posting—which was for a 2.8GHz Dell 340 Precision workstation—was just 938.

With 32-bit computing, there is a growing disconnect between the kernel’s virtual address space and the memory requirements of large servers and workstations. Despite the availability of 32-bit Intel systems that can be configured with up to 64GB of physical memory, most operating systems will support only 16GB of physical memory. That’s because the kernel doesn’t have the room to support any more. These systems cannot support data set requirements larger than 3 GB per process—a severe limitation for many technical computing applications.

By comparison, 64-bit systems have truly massive virtual address spaces, and therefore allow the kernel to manage the massive physical memories required for large databases, high-performance computing (HPC) environments and systems that run many applications concurrently.

For a closer look, read the white paper.

( Post Comment )

Business: AFC Air Flow Consulting AG Opens Website
Posted Fri December 06, 2002 @10:39AM
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News AFC Air Flow Consulting AG in Zurich is now online with their new website! AFC specializes in detailed measurement and numerical simulation of ventilation problems.

At this time, only the german version is updated. The english version will follow soon.

( Post Comment | Business )

Best Practice Guidelines for Marine CFD
Posted Thu December 05, 2002 @09:15AM
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News The development of best practice guidelines for marine applications of CFD has been a major task within the MARNET-CFD Thematic Network. These are now complete, and are available to download in pdf format (bpg.pdf - approx. 3MB).

The approach adopted was to bring together three important and recent developments in this field. These elements are:

  1. The newly published ERCOFTAC Best Practice Guidelines for the application of CFD.
  2. The existing ITTC guidelines for uncertainty analysis in CFD. These include manuals on: uncertainty assessment methodology, guidelines for RANS codes, and examples for resistance and flow.
  3. The development of Application Procedures for particular types of marine CFD calculations, eg. propeller flows, non-linear free surface flow etc., using 1 above combined with specific know-how and specialist knowledge.

This has brought MARNET-CFD in line with new initiatives being supported by the European Commission in the area of Quality and Trust in Industrial CFD, and should bring significant benefits in know-how, links to other Networks and databases, and approaches to best practice.

( Post Comment )

New Software: Astrophysics Solver FLASH 2.2 Available
Posted Thu December 05, 2002 @09:04AM
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News The FLASH Code group is pleased to announce the immediate availability of FLASH2.2.

The FLASH code is a modular, adaptive, parallel simulation code capable of handling general compressible flow problems in astrophysical environments. FLASH is written in Fortran 90 and C, and is freely available. FLASH is distributed as source code, and has runs on most UNIX platforms. More information can be found at

All users of previous versions are encouraged to upgrade. The download is available at: (note the 's' in https). You will need your username and password from previous downloads.

New users can request the code at:

( Read Full Article | New Software )

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