Mathematical Problems in Engineering / 2015 / Article / Tab 5

Research Article

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

Table 5

Dimensionless natural frequencies, I-shaped cross section, and .

Mode I Mode II Mode III Mode IV Mode V Mode VI

FEM 3D
FEM 3D
TBT
EBT

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