Optimization of coating properties for fiber optic smart structures using finite element analysis

Marios Hadjiprocopiou; Graham T. Reed; Leonard Hollaway; A. M. Thorne

doi:10.1117/12.208831

5 May 1995 Optimization of coating properties for fiber optic smart structures using finite element analysis

Marios Hadjiprocopiou, Graham T. Reed, Leonard Hollaway, A. M. Thorne

Proceedings Volume 2442, Smart Structures and Materials 1995: Mathematics and Control in Smart Structures; (1995) https://doi.org/10.1117/12.208831
Event: Smart Structures and Materials '95, 1995, San Diego, CA, United States

Abstract

Actuators and/or sensors embedded into a host material will disrupt the physical properties of the host. Finite element analysis was used to determine and to minimize the stress concentrations which arise in a `smart' material system due to the embedded optical fiber sensor. A parametric study was undertaken to determine the theoretical mechanical properties of the interface coating that minimizes the disruption of the host material properties due to the optical fiber inclusion. The effects of transverse tensile and thermal loading were studied, and also the residual thermal stress concentrations due to the manufacturing process were taken into consideration. The stress concentrations in the composite host are affected by the dimensions and mechanical properties of the interface coating. The results show that with careful selection of the interface coating properties the stress concentrations in the host material caused by the optical fiber inclusion can be reduced and be similar to those of the pure host material.

Citation Download Citation

Marios Hadjiprocopiou, Graham T. Reed, Leonard Hollaway, and A. M. Thorne "Optimization of coating properties for fiber optic smart structures using finite element analysis", Proc. SPIE 2442, Smart Structures and Materials 1995: Mathematics and Control in Smart Structures, (5 May 1995); https://doi.org/10.1117/12.208831

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