2019
DOI: 10.1109/access.2018.2890442
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Fluid-Structure-Interaction Analysis of an Aero Hydraulic Pipe Considering Friction Coupling

Abstract: A hydraulic pipe is a basic component of the aero hydraulic system, while high pressure and high speed lead to the enhancement of multiple field coupling effects, such as the structure, fluid, heat, and sound of the aero hydraulic pipe. A larger elastic deformation of the pipe and the more common unsteady flow of fluid can aggravate the vibration and noise of the hydraulic pipe system. Based on the 14-equation model of fluid-structure-interaction (FSI) vibration of aero hydraulic pipe, a model suitable for a w… Show more

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Cited by 18 publications
(15 citation statements)
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“…From a mechanical point of view, they are all nonlinear viscoelastic, anisotropic, and heterogeneous materials. This chapter combines the continuum mechanics, uses the strain energy density function, the viscoelastic constitutive model of the component vessel, to simulate the structure and mechanical properties of the blood vessel, obtains the stress-strain relationship of the real vessel wall, and brings it into the pipeline 14 equations [ 14 , 15 ]; you can get the bionic pipeline dynamics model. Take the microsegment of a single straight bionic pipe for force analysis (as shown in Figure 1 ).…”
Section: Dynamic Model Of a Single Bionic Pipelinementioning
confidence: 99%
See 1 more Smart Citation
“…From a mechanical point of view, they are all nonlinear viscoelastic, anisotropic, and heterogeneous materials. This chapter combines the continuum mechanics, uses the strain energy density function, the viscoelastic constitutive model of the component vessel, to simulate the structure and mechanical properties of the blood vessel, obtains the stress-strain relationship of the real vessel wall, and brings it into the pipeline 14 equations [ 14 , 15 ]; you can get the bionic pipeline dynamics model. Take the microsegment of a single straight bionic pipe for force analysis (as shown in Figure 1 ).…”
Section: Dynamic Model Of a Single Bionic Pipelinementioning
confidence: 99%
“…Pavlou and Dimitrios G. 1 used 14 differential equations to describe the longitudinal-bending-torsion dynamic behavior of liquid-filled pipes, which can be used in the frequency domain or time domain (characteristic method (MOC)) [ 7 ]. The four-equation model couples the pipe transient flow with the axial motion of the pipe wall, ignoring the radial inertia, bending, and torsion of the pipe system [ 8 – 10 ], so this paper chooses 14 equations [ 6 , 11 – 14 ] to establish a single-root bionic piping; for the solution method of fluid-structure coupling effect, it is necessary to consider factors such as noise and branching [ 15 – 17 ], solve the pipeline equation in the frequency domain, analyze the flow resistance characteristics of the pipeline, and then, study the hydraulic pressure on this basis. For piping system, based on bending moment balance, force balance, and fluid continuity conditions at the branch pipe nodes, a general formula for branch pipe dynamic transfer matrix is established, and the frequency domain transfer matrix method for the dynamic response of liquid-filled manifolds is calculated.…”
Section: Introductionmentioning
confidence: 99%
“…And this model includes the rubber material model and the fluid-structure interaction (FSI) dynamic equation. The FSI analysis of an aero hydraulic pipe was carried out by Zhang et al [14], in which various kinds of friction coupling models were compared. Liu and Jiao [15] established a multiobjective pipeline routing algorithm to avoid the possible resonance of aero-engine.…”
Section: Introductionmentioning
confidence: 99%
“…An axial piston pump is the critical power source of the fluid power system. Its failure may cause the system breakdown and economic losses [4]- [6].…”
Section: Introductionmentioning
confidence: 99%