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Geometry Aquisition: 3D Cloud of Points Meshing
Posted Fri May 11, 2001 @04:00PM
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News Technodigit has developed a software library which automates the geometry aquisition process for legacy parts.

Using their 3DReshaper software, a cloud of points (eg. from a laser sensor) is optimally meshed to a user specified tolerance. The mesh can then be exported in a number of formats for use in geometry definition for computational analysis.

A tool like this could reduce the time required to analyze an "as built" part, as well as, increase the accuracy of such a simulation.

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Polyflow and Fidap European User's Group Meeting
Posted Fri May 11, 2001 @10:46AM
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Announcements This year's Polyflow UGM will be combined with the first European Fidap UGM in years.
Attendance at POLYFLOW, FIDAP and FLUENT's annual users group meetings gives our users a chance to interact with the top echelon of CFD users in the world. Come to our annual meetings and learn how others in industry are applying CFD, meet with our technical staff, and provide your input to the future developments of the software you are using, enjoying the participation of our development team of each product.

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TECPLOT 9 Adds High-End 3D Visualization
Posted Fri May 11, 2001 @10:04AM
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Post Processing Tecplot, a program long used by scientists and researchers to plot their data, has added 3D OpenGL capability with their latest release.
"Using Tecplot to visualize mountains of data is like climbing real mountains-—the reward is an amazing view," says Mike Peery, President of Amtec. "When engineers and scientists have mountains of data to conquer, they can rely on Tecplot to create informative views that reveal the trends, anomalies and physics in their data. Whether the data comes from a simulation, analysis, or an experiment, Tecplot can help engineers and scientists quickly create the precise plots they need to get their work done. Tecplot also allows them to present their results in its best light, so colleagues can more fully understand and appreciate their work."

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Preview: Next Generation CFX-5 Post Processor
Posted Wed May 09, 2001 @03:28PM
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News Registered CFX users can test a preview release of CFX-Post, the latest post processing software from AEA Technology.
A good post-processing tool should not only provide the user with qualitative flow visualisation, but also the means to extract quantitative data for performance comparison.

... As problem sizes continue to increase, post-processing technology must keep pace. CFX-Post employs efficient storage and graphics algorithms to optimise the use of computer resources. It has also been designed to accommodate a range of future needs and will be extensible to parallel post-processing and collaborative visualisation.

With qualitative, quantitative, parallel, and collaborative capabilities in work, or planned, this post-processor sounds powerful.

This opens the topic of whether pre- and post-processing software should come from the flow solver vendor. There are obvious advantages to having a pre- or post-processor tailored for a particular flow solver, but do the flow solver vendors have the expertise of third-party pre- and post-processor vendors in these areas? What happens if you choose to switch flow solvers? Or use more than one? Are the flow solver vendors forced to develop their own pre- and post-processing solutions because their clients demand a single-source solution?

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Tech Report: Overflow Solver Performance on 512 CPU Origin
Posted Tue May 08, 2001 @04:32PM
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Solver The researchers at NASA Ames have developed a new highly-scalable parallelism technique for use with the Overflow CFD code. The new method, termed Multi-Level Parallelism (MLP), was designed to be simpler and more scalable than MPI. MLP was specifically designed for the new large CPU count shared memory systems.

Building on their success with Overflow, a Chimera grid based CFD solver, on a 256 CPU SGI Origin 2000, the Ames team applied the code to a new 512 processor Origin 2000.

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CHT '01
Posted Mon May 07, 2001 @05:07PM
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Announcements Looking for a forum to discuss ideas, methods, and results in computational heat transfer? Looking for an employer-sponsored Australian vacation? If you answered "yes" to either question, check out CHT '01.
Palm Cove, Queensland, AUSTRALIA
20-25 May, 2001

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