Mathematical Problems in Engineering / 2015 / Article / Tab 3

Research Article

Higher-Order Hierarchical Models for the Free Vibration Analysis of Thin-Walled Beams

Table 3

Dimensionless natural frequencies, box cross section, and .

Modes I, II Mode III Mode IV Mode V

FEM 3D
FEM 3D
TBT
EBT

a: cross section mesh. b: cross section mesh.
c: mode not provided by the theory.