A NUMERICAL APPROACH FOR FAULT DETECTION IN BEAM-LIKE STRUCTURES USING MODAL STRAIN ENERGY

Carlos Alberto Riveros; Edwin Fabián García; Manuel Alonso Builes

A NUMERICAL APPROACH FOR FAULT DETECTION IN BEAM-LIKE STRUCTURES USING MODAL STRAIN ENERGY

Published 2013-09-27

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A NUMERICAL APPROACH FOR FAULT DETECTION IN BEAM-LIKE STRUCTURES USING MODAL STRAIN ENERGY (C. A. Riveros, E. F. García, & M. A. Builes, Trans.). (2013). Revista EIA, 7(13), 171-184. https://ojs35-pruebas.metarevistas.org/index.php/reveia/article/view/240

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Abstract

Vibration-baseddamage detection is based on the fact that measurements of changes in thevibration properties of a structure can be used to determine the occurrence ofstructural damage. Therefore, there is a strong need for the development andimplementation of fault detection and optimum sensor location methods thataddress the issue of limited instrumentation and its effect in predictingdamage degradation. In this paper, the results of a numerical implementation ofa previously developed sensor distribution method are presented. A finiteelement model of a railway box-girder bridge is assembled. Then, the damageindex method is numerically implemented in order to identify damage from theresulting sensor measurements. Both the optimum sensor placement and the damagedetection methods are based on the concept of modal strain energy. Finally, thenumerical results show that the proposed approach is suitable for continuousdamage monitoring implementations and can be used as a useful tool for damageassessment in beam-like structures.

Authors

Carlos Alberto Riveros

Universidad de Antioquia
Edwin Fabián García

Universidad de Antioquia
Manuel Alonso Builes

Universidad de Antioquia

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A NUMERICAL APPROACH FOR FAULT DETECTION IN BEAM-LIKE STRUCTURES USING MODAL STRAIN ENERGY

Abstract

Authors

Carlos Alberto Riveros

Edwin Fabián García

Manuel Alonso Builes

References

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Abstract

Authors

Carlos Alberto Riveros BIO

Edwin Fabián García BIO

Manuel Alonso Builes BIO

References

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Carlos Alberto Riveros

Edwin Fabián García

Manuel Alonso Builes