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Help in Obtaining Fully Developed Laminar Flow Velocity Profile
Posted Thu September 08, 2005 @10:16AM
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Help Desk dhananjay writes "Hellow CFD Forum Members,

I am Dhananjay working on Fluid Flow and Heat Transfer Analysis. I tried to find out the fully developed velocity profile for Laminar Flow in a circular cylindrical geometry using STAR-CD version 3.24, which logically should be Parabolic and centre-line velocity in axial direction should be 2 times that of inlet average velocity. I tried with different types meshes viz. Tetrahedral, Hybrid and trimmed. However, I could not get the result. Then I tried to increase the Extrusion layer thickness in radial direction as much as possible. I could see the effect of developing profile and increase in the max centre-line velocity by 1.8 times that of inlet. However, I could not get the result closer to analytical result, by extreme refining of the meshes too. The modelling and grid generation is also checked.What can be the probable reason for this? What is the extrusion layer and its effect?

Please, help me to obtain the result for validation.

Best Regards.
Dhananjay"

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FIA Uses CFD to Investigate Overtaking Solution
Posted Thu September 08, 2005 @10:11AM
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News FIA president Max Mosley claims the sport's governing body is on the verge of unveiling a solution to Formula 1's lack of overtaking while at the same time permanently reducing downforce without significantly slowing the sport down.

AMD, which is a leading microprocessor manufacturer, is to make available a supercomputer for the FIA to calculate the downforce dimensions required to promote overtaking.

"Various attempts have been made to solve the problem we've got, which is that the car behind needs to be two seconds a lap faster on the average circuit before it can overtake," he said.

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Events: CEIViz ’06 Conference Features Training, Leading-Edge Technical Papers
Posted Thu September 08, 2005 @10:08AM
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Announcements CEI announces the training and technical program for CEIViz ’06, the first international conference for high-performance visualization. CEIViz ’06 will be held at the Disney Coronado Springs Resort in Orlando, Fla., February 22-23, 2006.

The first biennial conference will offer introductory and advanced training on CEI’s EnSight visualization software and the Harpoon extreme mesher, technical papers on leading-edge applications, forums for formal and casual information exchange, and an exhibition featuring the newest technology from major vendors.

“CEIViz ’06 is a one-of-a-kind opportunity to receive training, hear about the world’s most advanced applications, and network with the best international minds in engineering and scientific visualization,” says Kent Misegades, CEI’s president. “From novice to experts, CEIViz ’06 will be the gathering place to learn and share information.”

( Read Full Article | Events )


Events: NUMECA User Meeting 2005
Posted Mon September 05, 2005 @08:28PM
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Announcements NUMECA has the pleasure of inviting you to join the NUMECA User Meeting 2005 [pdf] to be held at Le Meridien Hotel in Brussels, Belgium on 21-22 November 2005.

This event will bring together engineers, designers, scientists, and researchers in CFD analysis of industrial flows and design optimization of turbomachinery blading and for two full days of user presentations, product seminars, technical discussions and keynote presentations.

( Read Full Article | Events )


Events: Solving Ocean Engineering Problems Using CFD
Posted Mon September 05, 2005 @08:23PM
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ANSYS FLUENT Fluent Inc. will host a webinar on Solving Ocean Engineering Problems Using Computational Fluid Dynamics on Thursday, September 29, 2005 at 2:00 pm EST.

During this one hour online session we will demonstrate how flow modeling software can be used to complement your organization's existing methods and tools in order to meet the demanding needs of naval/ocean engineering applications.

Dr. Shin Hyung Rhee, a fluid dynamics specialist in marine applications, will discuss complex engineering challenges such as hydrodynamics of floating/underwater vessels, aerodynamics of structures above the water surface, fully non-linear free-surface waves, vortex-induced vibration, and free-surface flow analysis of offshore structures.

( Read Full Article | Events )


Crunching Massive Numbers
Posted Fri September 02, 2005 @02:16PM
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News Desktop Engineering has posted and informative article about the past, present, and future of high performance computing and its effect on analysis.
No matter whether you use a traditional supercomputer, a cluster, or a grid, high-performance computing is essential to sophisticated analytics in science, engineering, and business. As data set sizes grow exponentially, high processing power is required to manage the complexity of the data by processing large and complex data sets simultaneously and quickly. That way, uncovered information remains useful for timely decision-making.

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