# Table 8 BTD models for 0/90/0/90, $$\hbox {R/a} = 5, \hbox {a/h} = 10$$

DOF$${\varvec{u}}_{x1}$$$${\varvec{u}}_{y1}$$$${\varvec{u}}_{z1}$$$${\varvec{u}}_{x2}$$$${\varvec{u}}_{y2}$$$${\varvec{u}}_{z2}$$$${\varvec{u}}_{x3}$$$${\varvec{u}}_{y3}$$$${\varvec{u}}_{z3}$$$${\varvec{u}}_{x4}$$$${\varvec{u}}_{y4}$$$${\varvec{u}}_{z4}$$$${\varvec{u}}_{x5}$$$${\varvec{u}}_{y5}$$$${\varvec{u}}_{z5}$$
15$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$
14$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$
13$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$
12$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$
11$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$
10$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\vartriangle$$$$\blacktriangle$$$$\vartriangle$$
9$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\blacktriangle$$$$\vartriangle$$$$\vartriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\blacktriangle$$$$\vartriangle$$$$\vartriangle$$
8$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\blacktriangle$$$$\vartriangle$$$$\vartriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$
7$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$
6$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\blacktriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$
5$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\blacktriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$$$\vartriangle$$
$$\hbox {RF}_0 = 1.00$$$$\hbox {RF}_1 = 0.76$$$$\hbox {RF}_2 = 0.52$$$$\hbox {RF}_3 = 0.64$$$$\hbox {RF}_4 = 0.42$$