Stability Analysis of Multispan Pipeline Embedded in Temperature-Dependent Matrix

Table 1

Dimensionless natural frequency comparison .

Dimensionless flow velocity	Dimensionless natural frequency	In this paper	Deng et al. (2017)
U = 0		21.33	21.33
		70.42	70.41
		147.96	147.91
U = 1.5		20.24	20.24
		69.52	69.52
		147.08	147.04