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Events: International Symposium on Flow Visualization
Posted Mon October 20, 2003 @10:05AM
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Post Processing You are invited to visit the University of Notre Dame on August 9-12, 2004, for the International Symposium on Flow Visualization (ISFV11).

Plan now to attend this symposium, which will include:

  • Technical presentations on the most current research topics, covering all aspects of flow visualization.
  • Electronic proceedings on CD-ROM available at the Symposium.
  • Invited international guests featured at daily Plenary Sessions.
  • Special events including a "Sunday welcome reception" and a "social banquet."
  • Exhibition of new techniques, information, technologies, and products related to flow visualization.
  • Tour program for spouses and guests.

( Post Comment | Events )


Drag Prediction Workshop Results Available
Posted Mon October 20, 2003 @08:14AM
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News The results from the 2nd AIAA CFD Drag Prediction Workshop held in Orlando, Florida June 21-22, 2003 are available.

The workshop had the goal of assessing the state of the art CFD for semi-complex aircraft geometries and consisted of two required and two optional cases using the DLR-F6 [pdf] civil transport geometry. The F6 geometry includes both a wing-body and a wing-body-nacelle configuration. The two required cases were a grid sensitivity study and calculation of the drag polar, both at Mach 0.75. The optional investigations included tripped versus fully turbulent drag prediction and calculation of drag variation with Mach number.

The 2nd workshop drew 22 participants from the North America, Europe and Asia. A number of different grid types and turbulence models were used to calculate a total of 480 solutions using 1.25 years of CPU time.

Some conclusions [pdf] were that that data scatter was percieved to be less than in the 1st workshop, that medium sized grids (~5M points) are adequate, and that fully turbulent calculations are fine for predicting drag variation with speed.

( Post Comment )


New Software: Axial Turbine Design Tool Released
Posted Fri October 17, 2003 @08:02AM
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News SoftInWay, Inc. has announced the first commercial release of AxSTREAM™ 2003.10, a powerful software suite that encompasses the complete engineering process of gas/steam axial turbine flow path conceptual design and optimization, and delivers an advanced engineering desktop solution for use in the turbomachinery industry.

The software tool empowers designers to apply a concurrent development approach while solving combined problems of performance, reliability, operating life, and low-cost design process.

( Read Full Article | New Software )


QNET-CFD Newsletter Available
Posted Thu October 16, 2003 @03:06PM
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News The latest edition of the QNET-CFD newsletter is available on their website. The contents of newsletter #6 include:
  • CFD for external aerodynamics in the built environment
  • CFD simulations of the wind environment around an airport terminal building
  • An overview of numerical bridge deck aerodynamics
  • 2D finite-element modelling of the lower Rhine river

Also available on the QNET-CFD website are proceedings from the 2nd QNET-CFD workshop and presentations from the 3rd QNET-CFD workshop.

( Post Comment )


New Software: Fluent Announces Release of FlowLab 1.1
Posted Thu October 16, 2003 @10:55AM
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ANSYS FLUENT Fluent Inc., the world leader in computational fluid dynamics (CFD) software, announces the release of FlowLab 1.1 software. FlowLab is a unique piece of educational software that uses the power of flow visualization through CFD to teach basic fluid mechanics principles in the engineering classroom.

The software runs Fluent's general purpose CFD code, FLUENT 6.1, and pre-processor, GAMBIT 2.1, in the background, with a user-friendly, student-specific graphical user interface (GUI) on its front end. Students have been using FlowLab as a complement to traditional lab exercises for two years and this release provides additional features and functionality:

( Read Full Article | New Software )


Application: Pulmonary CFD Modeling
Posted Wed October 15, 2003 @03:23PM
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Application Robert Kunz wrote in about his work titled "Modeling of Oxygen Uptake and Particle Deposition in the Human Lung using Homogeneous and Two-Fluid Models".

Researchers at Penn State University Applied Research Laboratory (USA), Center for Medical Diagnostic Systems and Visualization (Germany), and Image Processing Laboratory, Institute of Anatomy and Cell Biology (Germany), are using modern medical imaging technology and three-dimensional, time accurate mul­tiphase CFD to model oxygen uptake and particle deposition in the human respiratory system.

A physically accurate representation of the trachea and most of the convective regime bronchi (up to generation 13) are obtained using high-resolution computed tomography (HRCT) of a rubber cast of an adult human tracheobronchial tree (Fig. 1). A triangulated model of this data is used as a bounding surface for hybrid unstructured meshes generated using the ICEM CFD 4.2 package.

( Read Full Article | Application )


 
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