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STAR-CD Offers Advanced Training Course
Posted Thu July 18, 2002 @04:20PM
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News Coupled 1D/3D STAR-CD Training Course
Nuremberg, Germany
September 23, 2002

The CD adapco Group offers all European users the opportunity of understanding of how to set-up and effectively run three dimensional STAR-CD analyses coupled to a one dimensional engine simulation code, GT-POWER.

The course is aimed at giving the STAR-CD user an understanding of how to set-up and effectively run three dimensional STAR-CD analyses coupled to a one dimensional engine simulation code. The course will use GT-POWER as the engine simulation code. For some components, a more stable and realistic STAR-CD analysis is obtained by allowing the unsteady STAR-CD analysis results to interact with (influence) the domain boundary conditions. In addition to instruction, the course will provide the STAR-CD user with hands-on experience through use of a worked example. The course also offers the user the opportunity to interact with an experienced engineer who has run several coupled analyses.

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Course Content

The training is structured into 3 stages across the duration of 2 days.

Stage 1: Building the coupled models

The one-dimensional and three-dimensional flow models are similar to ones used for stand-alone analyses, but differ in several aspects. These differences include not only the hooks for the actual coupling of the two models, but also modifications to improve the stability of the coupled analysis. The training will cover:

  • Using a CAD-generated surface, build a STAR model in pro-am.
  • Applying the proper boundary conditions and fluid properties
  • Modifying an existing 1D model to couple with the STAR model

Stage 2: Running the coupled models

During the analysis, STAR-CD and GT-Power run simultaneously, exchanging data at the boundaries for each time step. It is necessary to continue the analysis until a cyclically-repeating solution is achieved. The training will include:

  • Selecting an appropriate time step size
  • Running a sufficient number of cycles to achieve convergence
  • Using Excel to plot the data in the ERD files in order to monitor flow behaviour and determine convergence.

Stage 3: Post-processing

The coupled 1D/3D analysis produces a tremendous amount of data, which must be post-processed in order to be able to understand the complex three-dimensional flow behaviours. The training will include:

  • Running pro-star in batch mode to produce still images of flow behaviour
  • Creating animated GIF’s in order to view the flow

The course will include building and running a coarse model. Participants will be allowed to take the files away with them after the training.

Click here to register

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  • CD adapco Group
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  • Coupled 1D/3D STAR-CD Training Course
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