Inversion for Constitutive Model Parameters of Bird in Case of Bird Striking

Table 5

The value range of the four parameters.

Optimize parameters	Label	Ranges of values	Units
PC	X1	[−0.05, −1.25]	MPa
MU	X2	[0, 1.5]	N·ms/mm^2
TEROD	X3	[0.05, 1.25]	—
CEROD	X4	[0.05, 1.25]	—