Free Vibration of Composite Thin-Walled Beams with Chordwise Asymmetric Closed Cross-Sections

Table 5

Stiffness matrix of Model A and Model C.

(a)

CUS: and
		1	2	3	4	5	6
1
2
3
4
5
6			Sym.

(b)

CAS: and
		1	2	3	4	5	6
1
2
3
4
5
6			Sym.

(c)

CUS: or
		1	2	3	4	5	6
1
2
3
4
5
6			Sym.

(d)

CAS: or
		1	2	3	4	5	6
1
2
3
4
5
6			Sym.