Table 5 Description of dataset \(\text{X}\).

From: Identification of frame geometry and boundary conditions from free-vibration modal signatures

Category

Parameter

Description

Varying parameters

\(N=\text{3,4},\dots ,8\)

Number of vertical beams

\(BC=\text{1,2},\text{3,4}\)

Boundary condition

\(AR=A{R}_{1},A{R}_{2},\dots ,A{R}_{i},\dots ,A{R}_{n},\)

\({AR}_{i}=A{R}_{1}+\frac{A{R}_{n}-A{R}_{1}}{n-1}\left(i-1\right)\)

Aspect ratio, where:\(n=100,A{R}_{1}=0.41,A{R}_{n}=2.1.\)

Fixed parameters

\({L}_{h}=1 m\)

Length of horizontal beams

\(h={L}_{h}/20=0.05 m\)

Height of cross section

\(b=0.1 m\)

Width of cross section

\(E=200\text{ GPa}\)

Young’s modules

\(\rho =7850 kg/{m}^{3}\)

Density

\(\upsilon =1/3\)

Poisson’s ratio