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Help Solving 3D Unsteady NS Eqns for Flapping Wing
Posted Mon April 25, 2005 @10:53PM
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Help Desk quarkz writes "Hi,

My colleages and I (research students) are thinking of solving the unsteady incompressible 3D NS eqns codes to model flapping wings. Hence, the boundary will be moving. We've been looking thru many schemes and we need some opinons...

  1. Projection or fractional or artificial compress, SIMPLER which is more suitable? We're a bit confused.
  2. 2nd order crank Nicolson or backward Euler for time discretization?
  3. How to move the boundary? What we know is to rotate the whole grids, suggested by Liu & Kawachi. Is there a better solution?
  4. We'll be using structured grids. Is it better to write ourselves or get a ready program? Is it efficient to generate 2d grids and stacked them together?

Sorry for asking so many questions. Anyway, thanks in advance!"

( Post Comment )

Events: Fast Forward with Fluent - Free Hands-On Fluids Engineering Workshop
Posted Mon April 25, 2005 @10:47PM
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News Get to the core of your toughest manufacturing problems at this free Fluent event.

Cincinnati, OH: May 20
Chicago, IL: Oct 28
Seattle, WA: Nov 11

Engineering managers and engineers of every discipline are facing tough challenges today: manufacturing obstacles from design to delivery, broken processes, pressure to reduce costs, increased risk, productivity losses, demand to innovate - the list goes on and on. Many engineers are unaware that by studying the flow of gas, solids, and liquids, you can get to the root cause of problems in your operation. This seminar is designed to give you detailed insight into how the newest technology in fluids engineering can be used to raise your company to the next level - bring a new innovation to life, solve a problem in the system that seems hopeless, or dramatically reduce the risk involved with a product or process design.

( Read Full Article | Events )

Events: International AVL-AST User Meeting
Posted Mon April 25, 2005 @10:40PM
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News The 3rd international AVL-AST User Meeting 2005 (June 13-14) is taking place in Graz, offering CAE experts from engine, powertrain and vehicle development segments a unique platform for exchanging views. Full account is taken of challenges regarding virtual prototypes with talks on CFD calculations as well as structural dynamic analysis

What you can expect:

  • Presentations given by users of AVL software
  • A forum where people interested in the simulation of fluid flow, structural dynamics and vehicle simulation from around the world can meet, exchange ideas and present their activities
  • The latest update on AVL´s software packages
  • Topics which cover a wide range from modeling aspects to successful application examples
  • The entire AST development team at your disposal throughout the meeting

( Post Comment | Events )

Events: 9th UK National Heat Transfer Conference
Posted Fri April 22, 2005 @09:23PM
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Announcements The 9th UK Heat Transfer Conference, overseen by the UK National Committee for Heat Transfer, will take place in Manchester on 5-6th September 2005.

Papers are welcome on all aspects of heat transfer and related mass transfer, including applications such as bio-systems, gas turbines and i.c. engines, materials processing, micro-systems, power and process engineering.

Following on from the success of the 2003 UKHT conference in Oxford, we hope the conference will be an informal and lively occasion and particularly wish to encourage attendance by graduate students and others at early stages in their careers in heat transfer.

( Read Full Article | Events )

AMD Launches Dual-Core Processors
Posted Fri April 22, 2005 @09:15AM
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Hardware techman wrote in:

AMD has introduced a broad portfolio of dual-core solutions from server and workstations for enterprise users to desktop and desktop-replacement notebooks for consumers and business users. At the second-anniversary celebration of the award-winning AMD Opteron™ processor, the company announced immediate availability of the Dual-Core AMD Opteron 800 Series processor for four- to eight-way servers. The 200 Series processors for two-way servers and workstations will be available in late May. The new processors deliver up to a 90 percent performance improvement for application servers over single-core AMD Opteron processors. For desktop PC users, AMD announced the new AMD Athlon™ 64 X2 Dual-Core processor brand that will enable true multi-tasking capabilities for richer computing experiences.

( Read Full Article )

Events: Fluent Posts Agenda for Automotive Conference
Posted Thu April 21, 2005 @04:43PM
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News Fluent, the world leader in Computational Fluid Dynamics (CFD) software and services, today announced a comprehensive and high profile agenda for the 2nd European Automotive CFD Conference (EACC) to be held in the Congress Center of Frankfurt, Germany, June 29-30, 2005.

The EACC is Europe's biggest CFD event dedicated to automotive applications, showcasing the very latest state-of-the-art simulation technologies and innovations in Fluid Flow Modeling and its related disciplines. It is also an ideal opportunity to network with Presidents, Vice Presidents, Directors, Managers, Engineers, Consultants and Partners from market leading companies.

( Read Full Article | Events )

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