Open AccessSimulation of the Influence of Internal Pressure on Free Vibrated Aluminum Conveying Fluid Pipe
Author(s) -
Ali Abbas W. Altai,
Ghanim Sh. Sadiq
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1094/1/012083
Subject(s) - internal pressure , instability , pipeline transport , materials science , deformation (meteorology) , mechanics , work (physics) , added mass , natural frequency , structural engineering , vibration , engineering , mechanical engineering , composite material , physics , acoustics
High temperature and pressure conditions lead to expanding the pipelines used to transport different types of fluids. A compressive axial force arises if this expansion is prevented. The present work aims to analyze pipelines’ instability due to internal pressure influence by making a simulation using ANSYS - Mechanical APDL 2019 R3. The study presents comparisons between increasing internal pressure from (0 to 10 MPa) on some pipe parameters like a natural frequency and instability for two pined-pined pipe thicknesses, which are 0.5 and 1 mm. It is concluded that the increase in internal pressure will decrease the natural frequency and stability of the vibrated system but will increase the modal damping ratio and total deformation of the tested pipe.