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The Quality of Cream and CFD
Posted Sun January 31, 2016 @07:19PM
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Application Cream is an oil-in-water emulsion consisting of dairy fat extracted from whole milk by centrifugal separation. If the stresses created by the separation process are too high, the cream undergoes a phase transition that transforms it into a water-in-oil emulsion known as butter.

Minimizing stresses is especially important during the cream's final cooling storage process, which determines the quality of the cream. To produce high quality cream, the production facility must maintain a uniformly cold stirring tank which generates "instant" cooling effects while minimizing the stresses to the cream.

( Read Full Article )

Meshing the 24th IMR Fender® Jazzmaster Guitar and the Abdominal Atlas
Posted Sat January 09, 2016 @12:54PM
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Application By Claudio M. Pita,
Senior Engineer,
Pointwise, Inc.

Last month several Pointwise engineers attended the 24th International Meshing Roundtable (IMR) held in Austin, Texas. We brought two grids generated for two benchmark geometries provided by the IMR steering committee. The grids were made by Carolyn Woeber, Travis Carrigan, and myself. We were pleased to hear that the grids were recognized both for their technical merit and striking visuals – they had won the Meshing Contest award.

( Read Full Article )

High Fidelity Overset Structured Mesh Generation for Marine Hydrokinetic Devices
Posted Tue December 15, 2015 @04:55PM
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Application Ted G. Bagwell, Arnold A. Fontaine, Michael L. Jonson, Robert F. Kunz
Applied Research Laboratory and Department of Aerospace Engineering
The Pennsylvania State University
University Park, PA, 16804, USA

Horizontal axis water turbines are a leading contender for commercial deployment of marine hydrokinetic devices due to their simplicity and their similarities to wind turbines. However, the unsteady loading and its impact on system maintenance, fatigue and life-cycle are not well understood and therefore require high fidelity computational fluid dynamics (CFD). Building high quality structured meshes in Pointwise that are capable of capturing the important physics is a critical enabling technology.

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Analyzing Air Flow in Semiconductor Manufacturing Equipment
Posted Tue December 01, 2015 @10:15PM
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Application The Hirata Corporation designs, engineers, and produces manufacturing production systems. They used Cradle scSTREAM to analyze the air flow in semiconductor wafer manufacturing equipment where the production space must be kept absolutely clean.

In this narrated interview [pdf], Takahiro Motoyama and Michitaka Matsumura from the Development Division at the Hirata Corporation discuss how Cradle scSTREAM CFD simulations were used to investigate nitrogen dispersion for preventing semiconductor wafer oxidation during transport.

( Post Comment )

Using CFD to Improve Valve and Pump Performance
Posted Thu November 05, 2015 @03:46PM
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Application CFD ads often amaze us by showing flows over racing cars,advanced aircraft or other objects that we easily relate to. In contrast, CFD is also used to improve the performance of valves and pumps, seemingly more mundane applications.  However, valves and pumps are found in almost all fluid systems, so the additive impact of these performance improvements can be significant.

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University of South Florida Races with Pointwise
Posted Tue October 20, 2015 @05:49AM
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Application Alexander Kim
B.S. Mechanical Engineering Candidate
University of South Florida

The University of South Florida’s Formula SAE racing team, USF Racing, placed 6th overall out of more than 80 teams competing at the Formula SAE competition in Lincoln, Nebraska in June 2015. It was only the second year we competed in the category. Using Pointwise helped our team to have a successful season.

( Read Full Article )

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