Design and Numerical Simulation of Pyramidal Prefolded Patterned Thin-Walled Tubes

Figure 8

Relationship between the (a) normalized SEA and M, (b) normalized and M, (c) normalized SEA and , (d) normalized and , normalized SEA and R at (e) M = 5 and (f) M = 6, normalized and R at (g) M = 5 and (h) M = 6, and (i) the critical value of and R for square patterned tubes.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)