Table 1.

Finite element model mesh parameters.

Component	Element Size (mm)	Element Type	Number of Elements		Number of Nodes
Honeycomb intact panel	0.4	S4R	X1	14,868	X1	21,825
			X2	13,384	X2	19,650
Top rigid plate	0.4	R3D4	X1	550	X1	828
			X2	550	X2	828
Bottom rigid plate	0.4	R3D4	X1	550	X1	828
			X2	550	X2	828
Honeycomb panel (5% damage)	0.4	S4R	X1	14,168	X1	20,814
			X2	12,760	X2	18,750
Honeycomb panel (10% damage)	0.4	S4R	X1	13,424	X1	19,734
			X2	12,232	X2	17,976
Honeycomb panel (20% damage)	0.4	S4R	X1	11,960	X1	17,604
			X2	10,936	X2	16,104
Reinforcement tube (5% damaged panel)	0.4	S4R	X1	458	X1	687
			X2	436	X2	654
Reinforcement tube (10% damaged panel)	0.4	S4R	X1	648	X1	972
			X2	616	X2	924
Reinforcement tube (20% damaged panel)	0.4	S4R	X1	916	X1	1374
			X2	870	X2	1305