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New Software: ANSYS Updates TurboGrid Meshing Software
Posted Fri July 16, 2004 @03:37PM
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News ANSYS, Inc., a global innovator of simulation software and technologies designed to optimize product development processes, today announced the latest release of CFX-TurboGrid version 2.2, a specialized software tool used by rotating machinery designers and engineers. CFX-TurboGrid combines both the sector specific knowledge of Computational Fluid Dynamic simulation for rotating machinery from ANSYS CFX, and the market leading mesh generation technology from ANSYS ICEM CFD.

CFX-TurboGrid is used to create the high-quality meshes specifically required for computational fluid dynamics (CFD) analysis of bladed rows for rotating machinery. In an industry where small increases in machine performance can result in significant increases in output, the ability to take design improvements and quickly create a mesh for engineering simulations will translate to larger profits. CFX-TurboGrid can be used to quickly generate highly suitable meshes for the analysis of pumps, turbines, compressors, fans, torque converters, nozzles, diffusers and many other kinds of rotating machinery.

( Read Full Article | New Software )

New AIAA CFD Standard Available for Public Review
Posted Thu July 15, 2004 @12:11PM
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News A new AIAA Standards document dealing with Computational Fluid Dynamics (CFD) is currently available for public review and comment. The document, AIAA Recommended Practice — The CFD General Notation System - Standard Interface Data Structures, was developed by the CGNS Subcommittee of the AIAA CFD Committee on Standards.

The CFD General Notation System (CGNS) is a standard for recording and recovering computer data associated with the numerical solution of the equations of fluid dynamics. The intent is to facilitate the exchange of CFD data between sites, between applications codes, and across computing platforms, and to stabilize the archiving of CFD data.

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STAR-CD Takes Advantage of AMD 64-bit Processors
Posted Thu July 15, 2004 @12:02PM
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News The CD adapco Group’s latest release of its CFD (Computational Fluid Dynamics) software STAR-CD is now able to run even larger CFD cases using the AMD Opteron™ processor that enables simultaneous 32- and 64-bit computing.

It has been possible to run STAR-CD cases on 64-bit processors for many years, but with the AMD Opteron processor, it is now possible for STAR-CD users to also run a 64-bit processor within the Linux environment. Most CFD codes today will only run in 32-bit compatibility mode, whereas STAR-CD has native 64-bit compatibility on this platform.

The main advantage of running STAR-CD using AMD Opteron processors is that it is possible to process problems of almost unlimited size, subject only to the amount of memory that can be inserted into a processor and the total memory available in a cluster.

“The CD adapco Group is working hard to facilitate successful engineering performance for its clients. With AMD Opteron processor-based systems, users of STAR-CD have a scalable platform for CFD problems of almost infinite size,” says Steve Feldman, director of software development, CD adapco Group. “The high memory bandwidth system allows STAR-CD to use multiple shared memory CPU’s efficiently”.

( Read Full Article )

Application: CFD Aids Space Station Lifeboat Design
Posted Tue July 13, 2004 @03:33PM
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Application By Brad Eckhardt, Lockheed Martin Space Operations, Houston, Texas
Laith Zori, Fluent Incorporated, Lebanon, New Hampshire

The use of computer simulation to help build it right the first time is one major reason why the estimated costs of building the X-38, also known as the “lifeboat” for the International Space Station, are less than one-tenth the cost of previous space vehicles. In one typical example, Lockheed Martin engineers are using CFD software to ensure the effectiveness of the climate control system of the space vehicle. The engineers built a computer model of the X-38 and its contents, and used CFD to simulate the airflow and heat transfer throughout the vehicle’s cabin, eliminating the costs of building and testing a physical prototype. Preliminary simulations showed some areas with potential ventilation problems due to equipment blocking airflows.

NOTE: The X-38 project is currently suspended and is under review as a result of funding issues associated with the International Space Station (ISS).

The X-38 is designed for use on the International Space Station (ISS) as an emergency crew return vehicle (see Figure 1.). It is for this purpose that the term "lifeboat" is used. One of the goals of the X-38 program is to build a human spacecraft for an order of magnitude less cost than ever before. In the late 1980’s, prior to the X-38, one crew return vehicle project was estimated to cost as much as 2 billion dollars. The X-38 project is expected to build and test fly two prototypes in space for 90 million dollars. Several factors will contribute to the reduced cost. For example, the X-38 uses a lifting body design derived from the U.S. Air Force's X-24A experimental project in the mid-1960’s. Additionally, parts of the X-38 will be bought over the counter, using existing, rather than newly designed technology - a marked difference from past NASA spacecraft.

( Read Full Article | Application )

Events: STAR-CD French User Conference
Posted Mon July 12, 2004 @10:23AM
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News CD adapco France annonce sa Conférence Utilisateurs sur le site de Renault F1 Team France

Rejoignez-nous à la Conférence STAR-CD 2004 qui se tiendra le 28 septembre 2004 dans le cadre exceptionnel du Centre d’essai de Viry-Châtillon de l’Ecurie Renault F1 Team!

Lors de cette journée, vous découvrirez notamment comment les Solutions CD adapco pour la Mécanique des Fluides Multi-physiques s’intègrent au sein de l’équipe d’ingénieurs de Renault F1 Team et répondent aux exigences du monde très concurrentiel et de haute technicité que symbolise la Formule 1.

Plusieurs autres utilisateurs des solutions CD adapco présenteront également leurs activités dans des domaines tels que l’énergie, l’électroménager, le transport, le bâtiment, l’aérospatial, la chimie…

  • Vous pourrez aussi découvrir et essayer les derniers produits de CD adapco basés sur: l’intégration CAO
  • la version STAR-CD 3.20 avec de nouveaux modèles
  • la nouvelle génération de Solveur Couplé STAR-CCM+
  • le développement d’outils « Métiers »

Nos ingénieurs et développeurs seront disponibles tout au long de la journée pour répondre à vos questions.

La possibilité sera offerte à tous les participants d’assister le 29 septembre 2004 à une journée d’initiation aux outils de calculs. Des stations de travail seront mises à votre disposition pour illustrer de façon concrète nos outils : souplesse de STAR-CD intégrée sous votre environnement CAO, rapidité et précision de la nouvelle technologie STAR-CCM+.

( Read Full Article | Events )

Events: CFD Workshop & Training Programme
Posted Mon July 12, 2004 @10:04AM
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Announcements The Centre for Development of Advanced Computing (C-DAC), Pune and the IITZeus group of the Indian Institute of Technology, Bombay (IITB), are jointly organizing a five-day workshop and training programme on CFD during Aug 23 to 27, 2004.

The workshop will cover expert lectures on the fundamental aspects of Computational Fluid Dynamics (CFD), e.g., grid generation techniques, compressible & incompressible flow, boundary layer, turbulence modeling, multiphase flow, conjugate heat transfer, numerical discretization schemes and solution methods. The lectures will also highlight the application aspects of CFD in industries and environmental & water resource engineering.

The training will involve hands on sessions on CFDTutor, CFDExpert and PHOENICS.

For programme details, kindly contact:

Centre for Development of Advanced Computing (C-DAC)
Pune University Campus, Ganesh Khind Rd., Pune 411 007, India.
Tel: +91- 20- 2569 4000/1/2/3, (EPABX) Ext. 504, 2569 0542
Fax: +91- 20-2569 4081
Contact Person : Uma Shankar

Updated [12 July 2004]:
The seminar website is now available with more information.

( Post Comment | Events )

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