Research Article

Model Updating of a Stitched Sandwich Panel Based on Multistage Parameter Selection

Table 1

Equivalent material properties of skin and core of the stitched sandwich panel.

TypeE11 (MPa)E22 (MPa)E33 (MPa)μ12μ23μ31G12 (MPa)G23 (MPa)G31 (MPa)ρ (kg·m−3)

Skin5230523054250.310.300.295630281528151.63 × 103
Core192.3181.8277.80.060.020.0310429293.37 × 103