Figures & data
Figure 1. An elastic solid with an inclusion and its finite element model.
Figure 2. Geometry, boundary conditions and material properties of numerical examples.
Figure 3. FFT of measured y-directional displacement at the centre of the elastic solid with hard and soft inclusion under free vibration.
Figure 5. Identified Young’s moduli under free vibration by the T-S EEE for the hard inclusion case: (a) colour map of results without regularization (b) variation along the elements in the first layer above the centre line in x direction with/without regularization.
Figure 6. Identified Young’s moduli under free vibration by the T-S EEE for the soft inclusion case: (a) colour map of results without regularization (b) variation along the elements in the first layer above the centre line in x direction.
Figure 7. Convergence rates of the T-S EEE under free vibration.
Figure 8. Identified Young’s moduli under free vibration by the T-S EEE without regularization for the hard inclusion case with 25 × 25 mesh layout: (a) colour map (b) variation along the elements in the centre layer in x direction.
Figure 9. Identified Young’s moduli under free vibration by the T-S EEE without regulation for the hard inclusion with diameter of 13 mm: (a) colour map (b) variation along the elements in the first layer above the centre line in x direction.
Figure 10. Identified Young’s moduli under free vibration by the T-S EEE without regulation for the hard inclusion with Young’s modulus of 160.5 kPa: (a) colour map (b) variation along the elements in the first layer above the centre line in x direction.
Figure 12. Identified Young’s moduli along the elements in the first layer above the centre line in x direction for three different damping ratios: (a) free vibration and (b) forced vibration.
Figure 13. Effect of noise in measusrement (a) identified Young’s modulus of each element with and without noise; (b) Mean and standard deviation of identified Young’s modulus of each element by 100 Monte-Carlo Trials.
Figure 14. FFT of the y-directional displacement measured at the centre of the elastic solid with hard and soft inclusion under forced vibration.
