Simulation of an electromagnetic health monitoring concept for composite materials: comparison with experimental data

Michel B. Lemistre; Dominique Placko; Nicolas Liebeaux

doi:10.1117/12.483809

1 August 2003 Simulation of an electromagnetic health monitoring concept for composite materials: comparison with experimental data

Michel B. Lemistre, Dominique Placko, Nicolas Liebeaux

Author Affiliations +

Proceedings Volume 5047, Smart Nondestructive Evaluation and Health Monitoring of Structural and Biological Systems II; (2003) https://doi.org/10.1117/12.483809
Event: NDE for Health Monitoring and Diagnostics, 2003, San Diego, California, United States

Abstract

A new concept of Structural Health Monitoring System for composite materials, (CFRP and GFRP) using electromagnetic properties of the material, has been developed at ONERA (Office National d’Etudes et de Recherches Aerospatiales, France). This concept, based on the detection of local electric conductivity variations and/or local dielectric permittivity variations, has allowed to design a demonstrator having a great sensitivity to detect main defects such as delaminations, fiber breaking, burning and liquid ingress. However, this technique at the present state, does not presently allow to perform quantitative measurements of electric conductivity and dielectric permittivity. In order to remedy to this disadvantage, a numerical simulation with an original method developed at ENS-Cachan (Ecole Normale Superieure de Cachan, France) by D. Placko and N. Liebeaux, has been performed. Various results obtained by simulation are presented discussed and compared with experimental measurements.

Citation Download Citation

Michel B. Lemistre, Dominique Placko, and Nicolas Liebeaux "Simulation of an electromagnetic health monitoring concept for composite materials: comparison with experimental data", Proc. SPIE 5047, Smart Nondestructive Evaluation and Health Monitoring of Structural and Biological Systems II, (1 August 2003); https://doi.org/10.1117/12.483809

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