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

Jorge Camacho Casero; Trevor T. Robinson; Cecil G. Armstrong; Marco Geron

doi:10.14733/cadaps.2019.1020-1033

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

Jorge Camacho Casero, Trevor T. Robinson, Cecil G. Armstrong, Marco Geron

School of Mechanical and Aerospace Engineering

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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 language	English
Pages (from-to)	1020-1033
Number of pages	14
Journal	Computer-Aided Design and Applications
Volume	16
Issue number	6
DOIs	https://doi.org/10.14733/cadaps.2019.1020-1033
Publication status	Published - 2019

Keywords

Idealization
quasi-axisymmetric models
axisymmetric models
finite element analysis

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KW - axisymmetric models

KW - finite element analysis

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