Idealizing Quasi-Axisymmetric 3D Geometries to 2D-Axisymmetric Finite Element Models

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Abstract

This paper describes an innovative methodology which automatically creates a 2D-axisymmetric finite element (FE) model of a quasi-axisymmetric component from its 3D CAD model. The process has been implemented as a script and uses the API to a commercial FE package. The calculation of a volume shape coefficients to be applied in the non-axisymmetric regions of the FE model, to account for the fact the region is not fully axisymmetric, is also described. In the paper, the methodology is demonstrated for a rotating blade of tapered profile analyzing and comparing both stresses and displacement. Excellent results are shown.
Original languageEnglish
Pages (from-to)1020-1033
Number of pages14
JournalComputer-Aided Design and Applications
Volume16
Issue number6
DOIs
Publication statusPublished - 2019

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Keywords

  • Idealization
  • quasi-axisymmetric models
  • axisymmetric models
  • finite element analysis

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