Research Article

Inverse Analysis of Crack in Fixed-Fixed Structure by Neural Network with the Aid of Modal Analysis

Table 2

Material properties of aluminium-alloy, 2014-T4.

Young’s modulus, Density, Poisson’s ratio, μLength, Diameter,

72.4 GPa2.8 gm/cc0.33  800 mm 150 mm

The relative crack depth (δ 1 = / ) = varies from 0.05 to 0.8.
The relative crack location (α = / ) = varies from 0.0125 to 0.95.