Plastic Deformation of Metal Tubes Subjected to Lateral Blast Loads

Table 1

Expressions for the generalized stresses and deformation rates.

Plastic mode	Stress		Vector deformation rate
	AD		−1	= 0	≥
A	−1	−1	≥ 0	≥
AB	−1		≥ 0	=
B	−1	1	≥ 0	≤