Evaluation of spatial strain distribution by elastoresistive thin-film sensors using 2D Electrical Impedance Tomography

Structural Health Monitoring (SHM) is believed to reduce uncertainties in the operation of mechanical structures, and thus, increase safety. Strain measurements are often used conclude on health state a structure interest. In combination with elastoresistive materials, Electrical Impedance Tomography (EIT) can be monitor larger areas safety relevant structural components for strain changes that might indicate damage. The present research investigates evaluation spatial distributions by thin-film sensors using 2D Tomography. Therefore, spatially-limited strains subsequent conductivity surface sensor numerically modelled experimentally realized. Subsequently, inverse reconstruction both, simulated experimental compared analyzed respect imaging location, shape, extent value.