Research Article

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

Table 4

Nonzero stiffness coefficients of Model A.

CUS
Different values, , , , ,
Same values, , , , , , ,
Only or , , , , ,

CAS
Different values, , ,
Same values, , , , , , , , ,
Only or , , , , , , , , ,