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DYNA

versão impressa ISSN 0012-7353

Resumo

BAREA, Rafael et al. A geometrical robust design using the Taguchi method: application to a fatigue analysis of a right angle bracket. Dyna rev.fac.nac.minas [online]. 2018, vol.85, n.205, pp.37-46. ISSN 0012-7353.  http://dx.doi.org/10.15446/dyna.v85n205.67547.

The majority of components used in aeronautic, automotive or transport industries are subjected to fatigue loads. Those elements should be designed considering the fatigue life. In this paper the geometrical design of a right angle bracket has been simulated by FEM, considering the type of material, the applied load and the geometry of the pieces. The geometry of the right angle bracket has been optimized using the Taguchi’s robust optimization method. As far as the authors know, there are no publications dealing with the use of the Taguchi’s robust optimization method applied to the geometric design of industrial pieces having as output variable the Findley fatigue coefficient. This paper presents a method for determining the critical design parameters to extend the product life of components subject to fatigue loading. This pioneer idea is applicable to any other design or physical or mechanical application so it can be widely used as new methodology to fatigue robust design of mechanical parts and components.

Palavras-chave : robust design; Taguchi method; fatigue; Findley critical plane; geometrical design; right angle bracket.

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