Mathematical Problems in Engineering / 2018 / Article / Tab 1

Research Article

The Resonance Reliability and Global Sensitivity Analysis of Curved Pipe Conveying Fluid Based on TIS Method

Table 1

The distribution parameter of the input variables of example.

Input variables/unitDistribution Mean valuevariance

Pipe Yang’s modulus(GPa)Gauss68.93.43
Pipe outer diameter(m)Gauss0.02320.00116
Pipe thickness(m)Gauss0.00410.000205
Pipe density(kg/m3)Gauss7197359.85
Fluid density(kg/m3)Gauss100050
Velocity(m/s)Gauss00.05
Maximum excitation frequency(rad/s)Gauss41020.5
Minimum excitation frequency(rad/s)Gauss21010.5
Radius of curvature(m)Gauss0.50.025
Pressure(MPa)Gauss100.5