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Solving the Mystery of the Extra Shock Wave
Posted Mon August 13, 2001 @06:44PM
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Application In the second of their Mysteries of Engineering Fluid Dynamics series, AEA Technology examines the reason behind an "extra" shock wave found on flow past a sharp wedge.

The case [pdf] examines supersonic flow past a 10 degree wedge and the creation of an oblique shock off the bottom surface which is parallel to the flow. It is an interesting application which explores the complex nature of a seemingly simple flowfield.

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FloWorks Attains SolidWorks Certification
Posted Fri August 10, 2001 @05:10PM
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News In another step towards paving the way for mainstream CFD usage, FloWorks (a CFD plug-in for SolidWorks) has been certified as a Gold Product. The certification process involves three primary characteristics: single window integration, full associativity, and the ability to pass a rigorous testing and certification conducted by SolidWorks.

Is this a sign of the future for CFD?

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High-End PC Graphics Review
Posted Thu August 09, 2001 @05:51PM
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Hardware Looking to purchase some new 3D PC graphics hardware and unsure about the best solution? Check out this review of the market from CADServer.

The article looks at the recent consolidation of the high-end PC graphics market with the aquisition of Intense3D by 3D Labs, the merger of Elsa/nVidia, and the sale of Fire GL Graphics by Diamond to S3 (now SonicBlue). The article also includes a brief run-down of the products soon to be launched by these companies.

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CFD-FASTRAN Version 4.2 Released
Posted Thu August 09, 2001 @08:35AM
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News CFDRC has released version 4.2 of their compressible flow solver CFD-FASTRAN.

The solver, which supports arbitrary polyhedral elements and Chimera grids, is designed for compressible flow with moving multi-body dynamics. The latest version incorporates new distributed parallel technology which removes the need for PVM.

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Volkswagen Engineers Use CFD for Thermal Management
Posted Tue August 07, 2001 @03:58PM
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Application In order to optimize underhood thermal management systems (radiator, fan, etc) engineers at Volkswagen are using CFD to examine the airflow and temperature distribution in the engine compartment. CFD is used to simulate a number of "what if" scenarios such as, a vehicle under load or failure of a fan.

Volkswagen engineers have found that, in order to accurately simulate the engine compartment, the analysis should include:

  • representation of the heat exchanger packages
  • the effects of fans
  • reasonable inlet and wall boundary conditions (turbulence, etc.)
  • thermal radiation effects
  • conjugate heat transfer

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STAR-CD V3.15 Released
Posted Tue August 07, 2001 @03:50PM
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News CD adapco Group has released the latest version of their STAR-CD package. The new version features enhanced solver robustness (especially on meshes with deformed cells), expanded compatability in PROSTAR (support for CGNS, TGRID, and TECPLOT), and beta versions of aeroacoustic and turbulence models.

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