Analysis and visualization tools in CFD, part I: A configurable data extraction environment

  • Ozell B
  • Camarero R
  • Garon A
 et al. 
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Abstract

The objective is to present new ideas for the implementation of visualization and analysis environments. This is carried out with a software interface allowing the design and configuration of project-specific environments built around a core library that performs all the data extraction and manipulation. This includes processing of solutions for rendering as well as for extraction of flow features for active control on the solution procedure. While the first function is highly interactive, the second is usually a batch oriented process coupled to the numerical algorithm. To achieve this goal, it is necessary to interpret solution data in a generic sense. The grid, the primary variables of the problem, and the derived variables are all considered as a number of simple scalar (discrete) fields defined on the domain. Basic entities in the library then provide building blocks to create images for rendering purposes or new fields as required in the grid adaption control loop. A data analysis language has been created. Its entities and grammar are oriented towards the description of both the rendering and the analysis processes. This customized environment is saved in an user configuration file, with an easily understandable syntax, which is loaded at execution time, hence providing the proper configuration for each application. ?? 1995.

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