Finite Element Modeling of Crushing Behaviour of Thin Tubes with ...

Fig. (11) Variation of the absorbed energy
of polygonal tubes with the side
breadth-to-thickness ratio.
Initial peak load
Mean crushing load
55
50
45
40
35
30
2 3 4 5 6 7
No. of sides
27
24
21
18
15
Side breadth
17/19
Paper: ASAT-13-ST-34
0
0 20 40 60
No. of sides
Fig. (13) Variation of the initial peak load with the number of sides
(left) and with the side breadth (right) of the polygonal tubes.
12
2 3 4 5 6 7
No. of sides
120
100
80
60
40
20
Fig. (12) Variation of the side breadth of
a polygonal tube of 300mm perimeter with
the number of sides.
Initial peak load
Mean crushing Load
55
50
45
40
35
30
40 60 80 100
side breadth (mm)
27
24
21
18
15
12
40 60 80 100 120
Side breadth (mm)
Fig. (14) Variation of the mean crushing load with the number of
sides (left) and with the side breadth (right) of the polygonal tubes