Research Article

Modal Mass and Length of Mode Shapes in Structural Dynamics

Table 1

Modal masses, effective masses, and length of mode shapes for the cantilever beams.

ā€‰Model
Constant density (Figure 1)Nonconstant density (Figure 5)

Total mass (kg)1616

Apparent mass (kg)Equal to total mass,

Squared length of mode shapes

Modal mass (kg)