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New Software: STAR-Works - Mainstream CAD with CFD
Posted Fri February 15, 2002 @10:18AM
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CD-adapco At the SolidWorks Conference 2002, Las Vegas, the CD adapco Group announces the release of a new product, STAR-Works, which for the first time fully integrates a leading Computational Fluid Dynamics (CFD) code with a no-compromise intuitive CAD front end. As the name implies, SolidWorks combines the best in class features of STAR-CD and SolidWorks. It aims to meet the demand of engineers for a single CAD and CFD solution to speed product development, cut costs and improve product quality.

SolidWorks is well established as the market leader in desktop solid modelling offering unmatched performance, value, leadership in innovation and the largest community of users. No other CAD system allows you to get product design work done as quickly and accurately. STAR-CD is recognised for its powers and capabilities as a multipurpose industrial CFD code, arguably it is the technology leader for CFD. The code offers unrivalled ability to handle complex geometries, a wide range of physical models, and fast, accurate solver technology.

( Read Full Article | New Software )

Application: CFD Used to Study Ice Build-Up
Posted Tue February 12, 2002 @06:45PM
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Application The build-up of ice on aircraft wings is a dangerous condition which has been the cause of several accidents. The condition is so hazardous that the FAA has dedicated a full section to certification of aircraft under icing conditions.

At a recent FLUENT Users' Group Meeting, Dr. David Kohlman presented a short course on aircraft icing. The course covered the environmental conditions responsible for icing and a number of deicing and anti-icing systems in use.

Traditionally, aircraft icing was studied by performing experiments in an icing wind tunnel or by flying an aircraft in the wake of a tanker aircraft spraying water droplets. These methods are expensive and time consuming which lead researchers to computational modeling.

( Read Full Article | Application )

Events: CFX Offers Free Web Seminars
Posted Fri February 08, 2002 @07:26PM
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ANSYS CFX CFX is holding a series of free interactive Web Seminars from the week of February 19. Each e-vent runs approximately 1 hour in duration and you will require an internet connection as well as a telephone line (a toll-free phone bridge is used so no long distance charges are applicable) to participate.

Summary information on events, dates and times are directly below. Further details on e-vent content and on-line registration can be found at the e-vent website. Space is limited to 10 "seats" at each of the web events and sorry these events are ONLY AVAILABLE in North America.

( Read Full Article | Events )

New Software: CFX Releases New Version of Pro-Mixus
Posted Thu February 07, 2002 @07:23PM
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ANSYS CFX AEA Technology has released the latest version of their CFD tool for the optimal design of chemical reactors.

CFX-ProMixus provides detailed analysis of mixing vessel processes through an embedded and fully automated computational fluid dynamics (CFD) solver. Using an intuitive interface, the user specifies reactor configurations from an extendable library of tank, baffle and impeller templates. CFX-ProMixus then automatically performs a CFD simulation of the flow within that vessel. The output is presented as a gallery of images and tables that permits pre-selection of component designs and reduces the number of iterations needed to develop optimum mixing performance.

CFX-ProMixus 2.1 adds many new impeller libraries, including new generic impellers (flat blade, pitched blade, retreat curve, curved blade and Smith turbine) and impellers from Philadelphia Mixers (high-solidity and low-shear hydrofoils), Chemineer, Cleveland Eastern Mixers and Lightnin (A310 and A320).

( Read Full Article | New Software )

Events: CFD 2002
Posted Tue February 05, 2002 @07:26PM
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Announcements CFD Society of Canada has announced that CFD 2002 will be held June 9-11, 2002 in Windsor, Ontario Canada.

CFD 2002 is their 10th annual conference celebrating a decade of CFD excellence, is hosted by the University of Windsor and will be held at the Cleary International Centre in downtown Windsor.

The conference attracts academics, developers, and CFD users from industries such as Aerospace, Automotive, Chemical Process, Electronics, Energy, Manufacturing, and Power Generation. Anyone with an interest in exploring the latest advances in software and hardware is encouraged to attend.

Visit the CFD 2002 conference website at for further information.

( Post Comment | Events )

Application: CFD Produces Better Photoresist Film Uniformity
Posted Thu January 31, 2002 @07:18PM
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Application CFD simulation helped to develop a new cluster spin bowl design that improved photoresist film uniformity and reduced particulate contamination of wafer surfaces. Designs were created for both 200mm and 300mm wafer diameters and optimized based on the modeling results over a range of operating conditions. These results were accomplished by developing a 3D model that predicted the flow field of the spin coater and made it possible to analyze different operating parameters and optimize the design of the spin bowl and exhaust system.

The air flow distribution in a spin coater has a critical effect on film thickness uniformity. The photoresist liquid contains a volatile solvent that evaporates during the spin coating process, and the final film thickness uniformity is determined by material spin-off and solvent evaporation. The solvent evaporation rate depends on the difference in partial pressures between the solvent in the air boundary layer next to the film surface and the bulk air over the surface, and on convective transport of air flowing over the wafer. If air flow near the wafer surface is different from the ideal flow induced by an infinite spinning disk, then the mass transfer coefficient at the wafer surface will change with radial position and the resist film thickness will not be radially uniform.

( Read Full Article | Application )

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