1. Pipe fluid-elastics. Fluid-elasticity of a fluid-conveying pipe
Fluid dynamics:
Water flow
U= 5 m/s
Structure
L=0.238 m
Out. Dia.= m
Inn. Dia.= m
E=110E9 Pa
Dens=4500 kg/m3
Constr.:Walls at both ends
LINFLOW 1.4

2. Structural Results for Pipe used in a Fluid-Elastics Analysis.
The ANSYS Structure dynamics
The first structural mode
The second structural mode
(Click on Picture for Animation)
(Click on Picture for Animation)
The ANSYS first and second modal frequency are 1319 Hz
LINFLOW 1.4

3. LINFLOW Fluid-Elastics Analysis of Pipe with Flow.
Coupled Fluid-elastic mode
LINFLOW predicts a 1.st fluid-elastic mode with a frequency of Hz
The analytical result is Hz (Δ 0.6%)
(Click on Picture for Animation)
LINFLOW 1.4