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Events: CFD In Ship Hydrodynamics Conference
Posted Mon December 30, 2002 @05:12PM
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News The 3rd International Computational Fluid Dynamics Conference is to be held in London, England, on 6&7th February 2003.

The subject is CFD Technology in Ship Hydrodynamics. CFD 2003 will follow a similar format to CFD 97 and CFD 99, the first two conferences in the series, which were successfully held in Ulsteinvik, Norway.

Within the broad theme, presentations will be divided into three main areas: CFD in relation to hull form, in relation to propellers and other propulsors, and to hull/propulsor interaction. Development of CFD software and the underlying mathematical models and techniques will be covered, as will comparisons between computational predictions, test tank results and full scale data.

In addition to the conference papers, there will be opportunities for delegates to discuss topics of mutual interest, a demonstration workshop for CFD software and a social programme.

This conference is being organised by The Royal Institution of Naval Architects on behalf of Riviera Maritime Media Ltd.

For further information, please contact: Mark Staunton-Lambert, Technical Director
The Royal Institution of Naval Architects
10 Upper Belgrave Street, London, SW1X 8BQ, England
Tel: +44 (0)20 7235 4622
Fax: +44 (0)20 7259 5912

( Post Comment | Events )

FLUENT Achieves Motor Racing CFD Pole Position
Posted Tue December 24, 2002 @02:33PM
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News At the end of another motor racing season, Computational Fluid Dynamics (CFD) software from Fluent Inc. is again proving to be in pole position for motor racing aerodynamic and allied flow simulations. Successes by FLUENT users in Formula 1, Indy Car and NASCAR racing have kept Fluent's code at the forefront of this highly demanding global industry. FLUENT is still the code of choice for nearly every motor racing team in the world due to the code's reliability, accuracy and ease of use. These credentials have helped to make FLUENT the fastest growing CFD code used within the worldwide automotive community.

The 2002 season has also seen the Ferrari Formula 1 Race Team score a repeat double with their driver Michael Schumacher becoming World Champion for the fifth time - the third with the Scuderia - and the race team itself winning the coveted Constructors' Championship for the fourth time in a row by an unprecedented margin.

Recently the Ferrari team has enhanced its CFD capabilities by signing an enhanced 3-year agreement with Fluent Italia to maintain Fluent as its CFD Technical Partner of choice. Fluent's leading edge CFD software continues to meet the exacting demands of the Maranello based motor racing team in its quest for ongoing success and motor racing technical excellence.

( Post Comment )

New Software: Airpak 2.1 Released
Posted Fri December 20, 2002 @04:00PM
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News Fluent Inc. has released the newest version of its Airpak software. Airpak 2.1 is an easy-to-use airflow modeling design tool that allows for the accurate modeling of airflow, heat transfer, contaminant transport, and thermal comfort in ventilation systems, as well as external building flows. Airpak can also reduce risk for new designs and improve the efficiency of current designs while saving time and money.

"Airflow modeling is becoming an essential tool in building design," says Airpak Product Manager Dr. Walter Schwarz, "and our customers who have selected Airpak as their airflow modeling tool-of-choice have gained a competitive advantage over their competitors in design as well as enhanced their communication with customers concerning ventilation design performance."

( Read Full Article | New Software )

Application: CFD Provides Value to Solutia
Posted Thu December 19, 2002 @04:02PM
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Application by Dave Davidson,
Nylon Technology, Solutia Inc, USA

(Dave Davidson passed away in late October. He was an asset to the CFD community and a great friend who will be sorely missed by all who knew him.)

Early in 1995, Monsanto implemented a CFD Initiative leading to a concerted application of the technology throughout the company. By standardizing on CFX-4, we simplified the learning process and made it trivial to share models across the organization. Since then, the CFD group has been closely monitored, checking cost against economic benefits for each case. Consequently, we have a large dataset of industrial CFD applications from which we can extract performance statistics on the benefits of CFD.

Economic impact

Because of the manner in which CFD adds value, it is impossible to precisely quantify this. However, we can estimate a lower bound to be the cumulative net income derived from all projects where CFD made the difference between success and failure; a conservative estimate is $35 million. In fact, one projectís return is in excess of $10 million of cumulative net income. Total cumulative investment in CFD is about $6 million, including salaries; therefore a conservative estimate of the payback ratio is in excess of 580%. This estimate excludes any contributions from technical service work. One such project, involving CFD and structural analysis at a customer site, helped prevent loss of a key customer who provided $40 million of annual revenue. The customer was convinced that we were to blame for low yields, and was threatening to bring in a competitor. The project results showed them that their equipment was at fault, they cancelled the competitor trial and we retained the entire sales volume. Subsequently we were able to use the results to suggest process modifications aimed at improving yield.

Since 1995, we have maintained approximately 1 full-time CFD practitioner per billion dollars of annual sales and the same ratio of CFD practitioners to enterprise employees (0.035%). Both the annual net income of about $4 million per user and the rate of return are continuing to increase.

( Read Full Article | Application )

Events: Dynamic Meshing for Moving Body Problems
Posted Thu December 19, 2002 @02:19PM
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News Fluent, Inc. will host a free online presentation covering the new dynamic meshing technology available in the latest version of FLUENT software. This innovative technology can be used to solve many moving body problems, including store separation, valve opening/closing, positive displacement pumps, stage separation, and missile launches.

The live, online presentation entitled: "FLUENT's New Dynamic Meshing for Moving Body Problems" is available on January 15, January 22, or February 12, 2003. Each presentation will begin at 1:30pm EST and will last approximately 1 hour, including a Q&A session at the end.

Visit: to get more information and to register for this free seminar.

( Post Comment | Events )

Help for MFR Pump Simulation
Posted Tue December 17, 2002 @09:28AM
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Help Desk I am simulating a small centrifugal pump(a inlet and an outlet)using mutiple rotating reference frame. The model of my pump (only fluid zones and wall) consists of two parts, one is the rotating part which is set to a rotating reference frame, the other is stationary part. The result is the stationary part are ok, but the rotating part only has absolute velocity (its direction is similar to the direction of rotation, maybe wrong), and I cannot find the relative velocity along the flow paths, which is very important for me.

Expecting your help!Thanks a lots!

( Post Comment )

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