Stress Wave Propagation and Energy Absorption Properties of Heterogeneous Lattice Materials under Impact Load

Table 1

Parameters of the lattice material models.

Number	Lattice type	Number of cells s × m × n	Weight loss ratio λ (%)	Relative density r	Side size a (mm)	Member section size
						b1 (mm)	b2 (mm)
1	GBCC	4 × 4 × 5	70	0.3	10	1.06	—
2	G4B1	4 × 4 × 5	70	0.3	10	1.06	1.16
3	G3B2	4 × 4 × 5	70	0.3	10	1.06	1.16
4	BCCxy	4 × 4 × 5	70	0.3	10	—	1.16