Determination of the location, size and mechanical properties of an elastic inclusion using surface measurements

Figures & data

Figure 1. Plane inhomogeneous body.

Figure 2. Example problem no. 1.

Figure 3. Boundary element modelling.

Figure 4. Example problem no. 2.

Figure 5. Example problem no. 3.

Table 1. Influence of experimental errors on the estimation.

Case no.	Percent error	Iteration no.	Converged value of parameters
1	0.0	5	G2 = 1.000 × 10^6,ν = 0.200,(xc,yc) = (3.00,3.00)
2	0.5	8	G2 = 1.015 × 10^6,ν = 0.195,(xc,yc) = (3.00,3.00)
3	1.0	10	G2 = 1.029 × 10^6,ν = 0.190,(xc,yc) = (3.01,2.99)
4	2.0	13	G2 = 1.049 × 10^6,ν = 0.183,(xc,yc) = (3.03,2.97)
5	3.0	22	G2 = 0.966 × 10^6,ν = 0.217,(xc,yc) = (3.03,3.01)
6	4.0	32	G2 = 0.967 × 10^6,ν = 0.217,(xc,yc) = (3.03,2.99)