Research on Strain Transfer of Embedded BOTDA Sensors Analyzed by FEM

Yan Qiao; Chuan Zhi Sun; Biao Zhang

doi:10.4028/www.scientific.net/AMM.357-360.1473

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 357-360Research on Strain Transfer of Embedded BOTDA...

Research on Strain Transfer of Embedded BOTDA Sensors Analyzed by FEM

Abstract:

in this paper, the theory of strain transfer of embedded BOTDA sensors was introduced. For the sensing fiber with coating and jacket used in project, its finite element model was built by ANSYS infinite element analysis software. And for the embedded fiber, the influences affected by elastic modulus and thickness of the fiber coating and jacket and elastic modulus of matrix material were analyzed. For the surface bonded fiber, the influences affected by elastic modulus, width and thickness of the bonding material were analyzed, and the results were compared with the results of theory.

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Periodical:

Applied Mechanics and Materials (Volumes 357-360)

Pages:

1473-1479

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.357-360.1473

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Online since:

August 2013

Authors:

Yan Qiao, Chuan Zhi Sun, Biao Zhang

Keywords:

Embedded BOTDA Strain Sensors, Finite Element Method (FEM), Law of Strain Transfer

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