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Application: Coupled 1D-3D Analysis Improves Engine Design
Posted Fri July 26, 2002 @03:50PM
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Application BMW Motoren GmbH designs and manufactures automotive engines for use in passenger cars. The factory at Steyr, Austria manufactures over 60% of all BMW's engines.

Engine cooling simulation has been done for several years with 1D tools being used to determine pressure losses and flow rates in cooling circuits. The more complex flow patterns in cylinder head and jacket are simulated with full 3D CFD to determine convective heat transfer coefficients.

BMW simulates the vehicle's coolant flow with FLOWMASTER2, which enables a one-dimensional description of the whole system. Flow in the engine coolant jacket, which is much less predictable, is described three-dimensionally by the CFD programme STAR-CD, from CD-adapco.

( Read Full Article | Application )


New Software: Tecplot Releases CFD Analyzer 3.0
Posted Fri July 26, 2002 @12:26PM
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Post Processing Tecplot has released CFD Analyzer 3.0 which increases analysis capabilities with feature extraction and particle mass options.

Highlights include:

  • Improvements to the integration routines
  • A mass option for particle path calculations
  • Flow feature extraction
  • New CFD functions
  • Shadowgraphs and Schlieren plots

The new Feature Extraction dialog adds the capabilities of MIT's FX (Fluid Feature eXtraction) library. The FX library calculates and displays any of several features of 3-D flow solutions. It takes grid and boundary information, plus velocity and several scalar flow solution variables as input. It calculates a shock function to generate shock surfaces (iso-surfaces where the shock function equals unity), vortex cores, and separation/attachment lines.

( Post Comment | New Software )


Events: Overset CFD Symposium Announced
Posted Thu July 25, 2002 @10:17AM
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Grid Generation You are invited to attend the

6th Symposium on Overset Composite Grids & Solution Technology.

The bi-annual symposium will be held October 8-10, 2002, at the Ramada Plaza Beach Resort, Ft. Walton Beach, Florida USA. This international symposium provides an open communication forum for mathematicians, scientists, and engineers from academia, industry, and government. The symposium organization is quite informal, and the primary purpose is to present and discuss new, current, and work in progress of the participants. The specific goals of the symposium are the following:

  1. Communicate current work, new research ideas, and work in progress
  2. Exchange ideas involving overset grid methodologies
  3. Develop interactions between interested researchers
  4. Provide an opportunity for interaction between researchers, developers, and users.

Electronic information and registration is available at the Symposium web site: http://www.arl.hpc.mil/Overset2002

We ask that you register your intent to participate via the web site to help us plan for the symposium.

You can download a pdf file of the symposium announcement brochure from the web site.

Please forward this announcement to anyone who may be interested.

( Read Full Article | Events )


Features: CFD Speeds US Navy Aircraft Modifications
Posted Mon July 22, 2002 @04:14PM
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Application Warren H. Davis, Ph.D., Aero CFD Principal Engineer for Northrop Grumman, leads a team responding to continual updates, additions, and enhancements to the U.S. Navy electronics surveillance workhorse, the E-2C Hawkeye. The Hawkeye provided stellar success in Afghanistan missions earlier this year.

Dr. Davis is one of the people who answers the “will it fly right” question when confronted with next generation modifications. He helps assure that any modifications to aero/propulsion capabilities, airframe additions including antennas, and other changes maintain and enhance performance.

Dr. Davis and his team gauge adaptations on the computer, using two remarkable programs (among other tools): Gridgen and Overflow. Gridgen is Pointwise Inc.’s grid generation and pre-processing CFD enabling bridge connecting computer aided design (CAD) software and CFD solvers such as Overflow, Fluent, STAR-CD, and CFX. The program generates hexahedral, tetrahedral, and hybrid (prisms and pyramids) meshes, reads geometry from CAD systems, and includes meshing tools and direct solver interfaces. Overflow is a Navier-Stokes flow solver that uses single block grids or Chimera overset (structured) grid systems. Chimera overset grids are body-fitted hexahedral grids around each component. They can overlap each other instead of requiring exact point-to-point interface matching like traditional structured grids. This makes the engineer’s grid generation task faster and easier while maintaining accuracy.

( Read Full Article | Features )


Business: Engineous Software Signs Partners
Posted Fri July 19, 2002 @05:13PM
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News Engineous Software, provider of the design optimization software iSIGHT, announced today the launch of their FIPER Vendor Participant Program.

Engineous is in discussions with over 30 major vendors in the fields of CAE, structural analysis, CFD and CAD software, specialized design tools, hardware platforms, infrastructure software and solutions providers. The program kick-off is marked by the signing of seven partners: Rand Worldwide, Infosys, Platform Computing Corporation, Engineering Intent, TranscenData ITI, Romax Technology, and Cranfield University. In addition, Georgia Tech ASDL has pledged its intent to join. More announcements are expected over the next few weeks.

( Post Comment | Business )


Events: STAR-CD Offers Advanced Training Course
Posted Thu July 18, 2002 @04:20PM
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CD-adapco Coupled 1D/3D STAR-CD Training Course
Nuremberg, Germany
September 23, 2002

The CD adapco Group offers all European users the opportunity of understanding of how to set-up and effectively run three dimensional STAR-CD analyses coupled to a one dimensional engine simulation code, GT-POWER.

The course is aimed at giving the STAR-CD user an understanding of how to set-up and effectively run three dimensional STAR-CD analyses coupled to a one dimensional engine simulation code. The course will use GT-POWER as the engine simulation code. For some components, a more stable and realistic STAR-CD analysis is obtained by allowing the unsteady STAR-CD analysis results to interact with (influence) the domain boundary conditions. In addition to instruction, the course will provide the STAR-CD user with hands-on experience through use of a worked example. The course also offers the user the opportunity to interact with an experienced engineer who has run several coupled analyses.

( Read Full Article | Events )


 
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Features
  • Interview with the Head of CFX Engineering Software Development
  • A Visit Inside CFX Engineering Software
  • Endangered Fish Benefit from CFD
  • Optimization of Marine Components Using CFD
  • A Case for Application-Specific CFD Meshing
  • Are Structured Methods Still The Workhorse?
  • Do GUIs Help or Hurt?
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    Wednesday July 17

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  • Monday July 15

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  • Friday July 12

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  • Thursday July 11

  • Researcher Awarded for New Mesh Refinement Strategy (0)
  • Wednesday July 10

  • Industry Veteran to Aid CFdesign European Expansion (0)
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  • Monday July 08

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  • Wednesday July 03

  • New Volumetric 3-D Display (0)
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  • Tuesday July 02

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