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HELP: Orthogonality in a Grid Over a Car
Posted Thu November 01, 2001 @04:27PM
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Help Desk tbg_guj writes: "I am a student of VJTI, Mumbai University. As part of my ME curriculum, I am doing my project in CFD using CFDRC software. While modeling a 3D geometry, I have encounterd the problem of grid orthogonality. The problem is a 3D model of the flow over a car body. If I divide the flow channel into multiple domains, I have an interface problem in the solver. Please help.

If anyone has a case study similar to my problem, please mail me."

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CD adapco Group Holds FRONTIER Optimization Seminar
Posted Thu November 01, 2001 @04:13PM
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News The CD adapco Group invites you to a seminar on the use of the FRONTIER multidisciplinary design optimization tool.

FRONTIER is a design optimisation tool, which can be interfaced with STAR-CD and is dedicated to helping our users achieve REDUCED TIME TO MARKET. It achieves this by using genetic algorithm methods to relate "cause and effect" - where "causes" are the set of parameters that define a product or process, and "effects" are the business benefits that result from an optimised design.

The seminar will be held at the Holiday Inn in Hammersmith, London from 9.30 -12.30, November 21st, 2001.

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Fluent Offers CDROM Based CFD Training
Posted Wed October 31, 2001 @12:14PM
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News Fluent has developed an interactive CDROM based training course in advanced CFD modeling.

Each CDROM contains interactive video lectures and downloadable tutorials that cover the following topics:

  • Combustion modeling
  • Multiphase modeling
  • Turbulence modeling
The material on each CDROM is delivered by one of Fluent's senior CFD trainers.

Pricing and Availability

The Combustion modeling, multiphase modeling, and turbulence modeling CDROMs are $250 each or $600 for the set of three. The training materials can be ordered from the Fluent web site at

I've had the opportunity to preview these training CDROMs and the multimedia presentation is excellent. The material is covered from first principles in a detailed manner. Even seasoned CFD veterans will benefit from the material on these CDROMs.

( Post Comment )

Feature: Report on the 10th International Meshing Roundtable
Posted Fri October 26, 2001 @02:51PM
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Grid Generation John Chawner of the International Meshing Roundtable Steering Committee has been kind enough to provide us with a report of the recent gathering in Newport Beach, California.
This year's roundtable featured five short courses, thirty-six technical papers (including the keynote and three invited talks), and the crowd pleasing Poster (from which the annual "Meshing Maestro" is chosen), Birds of a Feather, and Panel sessions.
Jump over to the features section for this and other interesting articles.

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CFX Northern European Users Conference
Posted Fri October 26, 2001 @08:54AM
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News AEA Technology will hold an event for their northern European customers on 12-13 November 2001 at Birmingham, UK. All CFX users are welcome to attend.

The meeting will focus on user modelling experiences, best-practice use of CFD by industry experts, and future CFX software development plans.

The event will consist of plenary sessions covering

  • Product development plans
  • Turbulence modeling
  • Geometry and Meshing
and application and industry-specific parallel sessions covering
  • Turbomachinery
  • HVAC / Fire & Safety / Environment
  • Multiphase Flows & Mixing
  • Reacting Flows
There will also be demonstrations of the latest CFX software, including CFX-5.5.

For further information please contact Lin Hall at

( Post Comment )

Application: Design of Electronics Cooling with CFD
Posted Thu October 25, 2001 @06:24PM
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Application High powered electronic equipment generates a considerable amount of heat - often in very confined enclosures. Furthermore, electronic equipment has narrow thermal operating conditions. This is why thermal control has always played an important role in the design of electronics which must be extremely reliable, such as on board aircraft.

Complicating the design of airborne electronics is the fact that the environment is harsh with ambient air temperatures ranging from -55 to 100 C or more, and weight and volume constraints demand a compact design.

Natural convection alone is not sufficient to keep airborne electronics at reasonable temperature levels, therefore, designers have turned to forced convection. On board advanced aircraft, such as fighters, an environment control system is used to supply cool air to the electronic equipment. This type of cooling creates problems due to pollutants (dust, sand, metals, liquid droplets) in the flow which can cause micro electronic shorts and/or abraid the electronic surface.

To solve the problem, engineers have turned to passing the cooling flow over fins. The only accurate way of predicting pressure drops and temperatures is to perform a CFD analysis. The simulation yields cooling performance and pressure drops for aid in fan selection. The CFD results can also be used as input to a detailed thermal analysis of the circuit board.

Through the use of CFD, advanced designs of airborne electronics are made possible.

( Post Comment )

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