Analytical Solution of Fractional Oldroyd-B Fluid via Fluctuating Duct

Table 1

Nomenclature.

Symbols	Quantity
	-direction velocity
	Relaxation time (s)
	Retardation time (s)
	Dynamic viscosity
	Amplitude (m)
	Angular frequency
	Length of duct (m)
	Height of duct (m)
	Density of fluid
	Fractional parameters
LT	Laplace transform
V	Velocity of fluid
	Tangential stress ( or Pa)
	Pressure