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An Open Source CFD Solver
Posted Mon March 29, 2004 @11:31AM
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Open Source A new open source CFD flow solver has been started and is seeking interested developers and users. OpenFlower is a C++ open source Linux CFD code mainly intended to solve the turbulent incompressible Navier-Stokes equations with a LES approach. It can deal with arbitrary complex 3D geometries with its finite volume approach.

The code is mainly intended to be used for Large Eddy Simulations of turbulent flows. It was first designed for PhD students (and researchers) to enable exchange of knowledge about numerics and turbulence modeling, in a field (CFD) which is too often governed by commercial codes, which are unwilling to reveal what lies behind attracting flow images. The initial development team idea, was the one shared by the open source community : What if it could be applied to the fluid mechanics and turbulence research fields, in order to come up with a shared, reliable and efficient common CFD software ?

( Post Comment )

AMD Unleashes AMD Athlon 64 FX-53 Processor
Posted Mon March 29, 2004 @09:06AM
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Hardware At CeBIT, AMD announced that it is sending computer enthusiasts on another thrilling, high-performance ride with the worldwide introduction of the AMD Athlon™ 64 FX-53 processor.

The AMD Athlon 64 FX processor delivers what no other PC processor can: the best performance to drive demanding 32-bit applications, and the power of 64-bit computing for the next wave of head-spinning software. This dual capability for an x86 processor was invented by AMD, and underscores our leadership in the 64-bit computing market. AMD64 processors are the only 32- and 64-bit capable processors available today, and are the only PC processors with built-in enhanced virus protection security technology when used in conjunction with the upcoming Windows® Service Pack 2.

( Read Full Article )

Fluent Help Needed
Posted Sat March 27, 2004 @11:25AM
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Help Desk baixn writes "The idea is to examine the thermal field surrounding a combusting sphere of solid propellant. Given the heat release rate determine the thermal field surrounding this sphere. The spherical mass is 10 mm diameter and weighs 30 grams. The heat release rate is: Q=0Kcal/gm @ t=0ms and Q=2.1Kcal/gm @ t=20ms and Q=0Kcal/gm @ t=40ms.

My question is: Should I use heat transfer model or combusting model to simulate this case? How to simulate?

Any advice is highly appreciated.

Best Regards,

( Post Comment )

ANSYS Providing CFX to X-Prize Rocket Team
Posted Sat March 27, 2004 @11:02AM
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News ANSYS is providing its CFX software to the da Vinci Project, a Canadian entrant in the $10 million X PRIZE competition. The X PRIZE is designed to jumpstart the space tourism industry through competition among the most talented entrepreneurs and rocket experts in the world.

The da Vinci Project recently implemented CFX, computational fluid dynamics (CFD) software, to aid in the development of processes involving fluid flow, heat transfer and chemical reaction. Also added from the ANSYS software suite was ANSYS ICEM CFD, a post-processing tool to help streamline product development.

( Read Full Article )

Application: Improving the Performance of Asphalt Plant Components
Posted Thu March 25, 2004 @12:00PM
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Application by Ricardo Barbosa Damian,
CIBER Equipamentos Rodoviários Ltda. (member of the Wirtgen Group)
and Marcus Reis,

Modern, efficient and innovative, CIBER is located in Porto Alegre, Brazil and has as its core business the manufacture and sale of machinery and equipment for road construction and maintenance.

Experimental development of portable asphalt plant components requires time and is an expensive process. In order to offer products with lower energy consumption and more compact dimensions, and that meet environmental regulations, CIBER chose CFX-5 computational fluid dynamics software to assist in analyzing many of the complex processes involved in asphalt production. These processes include combustion, solids drying, liquid and solid mixture, solid-air separation and filtration and pneumatic transport of particles.

( Read Full Article | Application )

New Software: STAR-CD 3.2 Released at User Group Meeting
Posted Wed March 24, 2004 @09:08AM
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News As the world’s two leading CFD (Computational Fluid Dynamics) companies, the CD adapco Group and Fluent Inc, compete for technical supremacy, the release of any new version of their CFD codes is a major event for the CAE industry. The latest version of STAR-CD was launched at the CD adapco Group’s European User Group Meeting in London, March 15-16, and clearly offers CFD users many new features and associated benefits.

Firstly, a choice of CAD-integrated options is now included ‘by default’. The STAR-Design option, for users without a CAD system, offers a robust built-in Parasolid solid-modeling kernel and fast meshing tools, and unlike most commercial CAD systems, it is available on all platforms including Unix, Linux and Windows.

( Read Full Article | New Software )

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