Numerical Analyses of a Shield Building Subjected to a Large Commercial Aircraft Impact

Table 3

MAT03 parameters.

Parameter	Density (ton/mm^3)	Elastic modulus (MPa)	Shear modulus (MPa)	Poisson’s ratio	Tangent modulus (MPa)	(MPa)			FS
Aluminium alloy	2.8 × 10^−9	7.19 × 10^4	2.78 × 10^4	0.33	690	490	6500	4	0.3
Steel	7.8 × 10^−9	2.0 × 10^5	7.7 × 10^4	0.3	1050	400	40	5	0.3

is the static yield stress; and are material constants; FS is the values of effective plastic strain for eroding elements.