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Features: CFD Increases Reliability for Caterpillar
Posted Mon July 08, 2002 @10:23AM
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Application Hydraulics is playing an increasingly important role in the performance of heavy equipment and as such, the reliability and effectiveness of hydraulic systems is becoming paramount. Caterpillar was the first company to investigate and use hydraulic systems within the engines of its larger vehicles. Most recently, the company has been using computational fluid dynamics (CFD) to make vital adjustments to some of its hydraulic systems.

Caterpillar aims to design and manufacture superior hydraulic components, supported by high quality system maintenance and service, and its vehicles are renowned for their performance and reliability. So when it became clear that there was a problem with some of its larger vehicles, Caterpillar pulled out all the stops to find a solution.

( Read Full Article | Features )

Visualization: New Volumetric 3-D Display
Posted Wed July 03, 2002 @05:30PM
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Hardware Actuality Systems has been raising some interest lately in their spherical display. In the roughly 10-inch diameter sphere, data is displayed using their volumetric 3-D display technology.

The display allows for 360-degree all-around viewing for multiple people. Recently, the US Army Research Lab has undertaken a project to determine the potential for the technology in the military simulation field.

There are several basic volume rendering methods. Actuality Systems uses a translucent screen, spinning at 730 rpm onto which 2-D slices of the 3-D model are projected. The result is a convincing, interactive, colorful 3D image that can be seen from any angle in the room.

Currently, displays such as this one cost around $50,000 US. However, as the cost drops, we may begin to see this technology in CFD visualization.

( Post Comment | Visualization )

Application: CFD Helps Ensure Thermal Integrity of Lithography System
Posted Wed July 03, 2002 @05:02PM
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Application Engineers at ASML have guaranteed the thermal reliability of a heat-sensitive unit in record time using Flo/MCAD, a software tool designed to take production-quality CAD files and quickly and easily simplify them for thermal analysis within Flotherm, Flomerics' thermal management package. The powerful Flo/MCAD tool allowed ASML to simplify existing production-quality Solid Edge CAD file data for the control cabinet of its AT:1100 lithographic system, saving considerable engineering design time by automatically eliminating intricate details surplus to requirements for thermal analysis purposes. Prior to the launch of Flo/MCAD, Engineers were forced to laboriously re-key data from original CAD files in a simplified format suitable for thermal simulation. Flo/MCAD eases this task, giving Design Engineers exact control on the level of retained detail, saving time and ensuring a simulation's accuracy.

( Read Full Article | Application )

Fluent Offers Remote Simulation Facility
Posted Tue July 02, 2002 @06:45PM
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News FLUENT 6 is now available for use in a secure portal from the Internet. Using the new Fluent Remote Simulation Facility, existing users can take advantage of "supercomputer" capacity for the execution of large or complex simulations.

The new Fluent Simulation Portal provides for fully secure 128 bit encrypted SSL service that is monitored and available 24 hours a day, 7 days a week, 365 days a year. This new capability is an excellent choice for existing FLUENT users who require occasional "surge capacity" for time-critical simulations, for the throughput of many jobs with varying parameters, or for periodic simulations of large models.

The Fluent Remote Simulation Facility assumes the user is an existing Fluent license holder. Models are created using a "local" Fluent pre-processor, and case/data files are then uploaded to the remote site. The facility provides all necessary components to perform the simulations including parameter set-up, file storage and management, all licenses required to operate, and access to multiple processors to improve time to completion. Accounts are provided on an individual user basis, and users are billed for simulation time only.

( Post Comment )

New Software: ICEM Adds CATIA V5 Support to HEXA
Posted Tue July 02, 2002 @05:09PM
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Grid Generation ICEM CFD has added Catia V5 native CAD support to their HEXA mesh generator.

ICEM CFD Hexa CAA V5 runs as a plug-in application within CATIA V5. This application allows the user to create hexahedral volume meshes within CATIA V5. The ICEM CFD Hexa meshing set-up, mesh size, family definitions are defined with the ICEM CFD toolbar. These meshing specifications as well as the resulting ICEM CFD Hexa mesh are stored within the CATIA V5 Analysis document. Users can make changes to the original design and the mesh can be regenerated based on the stored mesh set-up data.

To use the HEXA CATIA V5 software, you must have a CATIA V5 license for ME2.

( Post Comment | New Software )

New Software: Fluent Releases Icepak 4.0
Posted Mon July 01, 2002 @05:53PM
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News Fluent has released version 4.0 of its Icepak electronics cooling simulation software. The newest version of Icepak delivers the industry's fastest time-to-solution through its combination of non-conformal meshing and unstructured meshing strategies, including assembly meshing. These technologies let the designer build a more computationally-efficient and accurate model faster than any other thermal management software package.

According to Icepak Product Manager Dr. Rajesh Nair, "Icepak 4.0's new 'Assembly Meshing' retains geometric shape fidelity, improves accuracy by maintaining model detail, reduces mesh counts by 20-70%, and decreases solution time, design time and project costs."

( Read Full Article | New Software )

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