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New Software: New Version of STAR-CD Enhances Engine Modeling
Posted Tue December 21, 2004 @02:23PM
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News CD-adapco announces the latest release of its world leading computational fluid dynamics (CFD) code, STAR-CD v3.24 which is packed full of new features aimed directly at the engine modeling community.

ECFM models

The eagerly anticipated Extended Coherent Flame Model [pdf] combustion models (ECFM and ECFM-3Z) extend CFD combustion modeling beyond the usual single mixture regime restriction of traditional combustion models. The ECFM models are equally valid whether the charge is "pre-mixed", "partially-mixed" or "non-mixed" or any combination of these.

Jointly developed by Renault and IFP (Institut Francais du Petrole), the ECFM models are intended to address the specific combustion challenges posed by Direct Injection (DI) engines. Unlike traditional Port Fuel Injection (PFI) engines DI engines are characterized by a high degree of charge stratification. Standard models (such as the original CFM model), which require a homogeneous charge, are therefore not easily applied to DI engines. The ECFM models are not subject to this restriction and are valid in all mixture regimes, from very lean through to very rich. The models are equally applicable for GDI engines (using a spark ignition model) and for HCCI and DI Diesel engines (using an auto-ignition model).

( Read Full Article | New Software )

Flowmaster and AVL Announce Technical Co-Operation
Posted Mon December 20, 2004 @10:47AM
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News Flowmaster are pleased to announce their technical co-operation with AVL as part of an on-going commitment to provide users with a fully integrated fluid flow simulation software capability. The release of their latest software, Flowmaster2 V6.5, includes new components specifically for incorporating data from BOOST, EXCITE and Excite Designer into Flowmaster cooling and lubrication network models.

“Our technical co-operation with AVL represents another step closer to achieving our goal of providing our users with a fully integrated system modeling capability.” Paul Burns, Automotive Product Manager.

“The multi dimensional system simulation enabled by interfacing Flowmaster with AVL BOOST and AVL EXCITE helps the development engineer to speed up the design process considerably.” Paul Herster, Product Manager, Advanced Simulation Technologies.

( Post Comment )

NAFEMS Launches North American Discussion Group
Posted Mon December 20, 2004 @10:42AM
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Announcements NAFEMS, the International Association for the Engineering Analysis Community, have announced the launch of an e-mail based discussion group for the North American analysis community.

With some 700 member companies worldwide, the organization is the only truly independent authority on the use of computer modeling and simulation methods, and is widely respected throughout the analysis world.

( Read Full Article )

PLM Enabled CFD
Posted Mon December 20, 2004 @10:35AM
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News Everywhere you look in engineering today two acronyms abound: PLM and PDM. Whereas CAD companies are screaming these acronyms (and the principles behind them) from the rooftops, CFD vendors are noticeably less vocal in their endorsement. It's not that CFD vendors think that PLM is unimportant; it's just that - with one major exception - their software solutions don't fit comfortably within the PLM framework.

PLM stands for product lifecycle management. It describes a business strategy in which an organization's products are digitally managed from conception, through maturity, to eventual retirement. PLM is a huge concept that is sometimes difficult to comprehend in its entirety. One of its critical functions is to remove the barriers between the people who design the products and those who build, sell and support their use. Implemented successfully it reduces time-to-market by streamlining design and reducing production costs. Put simply, PLM is the future of product engineering.

( Read Full Article )

New Software: Release of GAMBIT 2.2 Takes CAD Cleanup and CFD Meshing to a New Level
Posted Wed December 15, 2004 @04:18PM
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News Fluent Inc. the worldwide leader in computational fluid dynamics, CFD, announces the release of GAMBIT 2.2, a major upgrade to Fluent’s geometry and mesh generation software. This version provides several new key functionality benefits to CFD users:
  • Improved Geometry Construction and Clean-up Tools
  • State-of-the art Meshing Size Functions
  • Improved Quad paving and Boundary Layer Meshing

GAMBIT 2.1’s semi-automatic Cleanup tools have been enhanced now in v2.2. Fully automatic cleanup options are available for the most critical bottlenecks like slivers, short edges and sharp angles. A new "Cleanup Duplicate" geometry functionality has been added helping to provide full Cleanup toolkit for rapid geometry conditioning.

( Read Full Article | New Software )

New Software: FOAM CFD Toolkit Released as Open Source
Posted Wed December 15, 2004 @04:13PM
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News The FOAM software, formerly a commercially licensed product, has become open source software, licensed exclusively under the GNU General Public Licence. The software is renamed "OpenFOAM" to reflect its new identity and FOAM will cease to be licensed with immediate effect.

The decision to make the software fully open source was taken to service the needs of CFD users in research, development and consultancy who can benefit greatly from perpetual free access to what is essentially a programming toolbox for CFD. The old product was always released with approximately 70% source code and found use at a number of large commercial engineering companies, consultancies and approximately 90 academic institutions in over 30 countries. As a fully open source product, it is expected that OpenFOAM will attract many more new users.

( Read Full Article | New Software )

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