A hydroelastic fluid–structure interaction solver based on the Riemann-SPH method

2022 ◽  
Vol 390 ◽  
pp. 114522
Author(s):  
Zi-Fei Meng ◽  
A-Man Zhang ◽  
Jia-Le Yan ◽  
Ping-Ping Wang ◽  
Abbas Khayyer
Keyword(s):  
Fluid Structure Interaction ◽  
Sph Method ◽  
Fluid Structure ◽  
Structure Interaction

A New Way to Simulate the Fluid Structure Interaction between the Bioprosthetic Heart Valve and Blood: FE-SPH Method

2014 ◽  
Vol 472 ◽  
pp. 125-130 ◽  
Author(s):  
Quan Yuan ◽  
Xin Ye
Keyword(s):  
Heart Valve ◽  
Numerical Models ◽  
Fluid Structure Interaction ◽  
Peak Stress ◽  
Bioprosthetic Heart Valve ◽  
Ejection Time ◽  
Sph Method ◽  
Fluid Structure ◽  
Structure Interaction ◽  
Von Mises

The object of this study is to utilize FE-SPH method to simulate the dynamic behavior of bioprosthetic heart valve during systole. Two kind of bioprosthetic heart valve numerical models are designed based on membrane theory, and they are represented by FE mesh, the blood is modelled as SPH particles. The interaction between the blood and bioprosthetic heart valve is carried out with contact algorithms. Results show that: when the valve leaflets are opening, compared with that of spherical valve, the stress and strain states of cylindrical valve are unstable, and the peak Von Mises is also higher, which high peak stress and its instability may induce the fatigue of valve. The valve opening time of columnar valve leaflets is longer than that of spherical ones, which reduces the blood ejection time. Above results indicate that spherical valve is superior to cylindrical valve. The FE-SPH method is capable of simulating the fluid structure interaction between the bioprosthetic heart valve and blood during the systole.

Modeling accidental-type fluid–structure interaction problems with the SPH method

2009 ◽  
Vol 87 (11-12) ◽  
pp. 721-734 ◽  
Author(s):  
S. Potapov ◽  
B. Maurel ◽  
A. Combescure ◽  
J. Fabis
Keyword(s):  
Fluid Structure Interaction ◽  
Sph Method ◽  
Fluid Structure ◽  
Structure Interaction

Verification and application of 2-D DDA-SPH method in solving fluid–structure interaction problems

2021 ◽  
Vol 102 ◽  
pp. 103252
Author(s):  
Pengcheng Yu ◽  
Guangqi Chen ◽  
Xinyan Peng ◽  
Yingbin Zhang ◽  
Hong Zhang ◽  
...  
Keyword(s):  
Fluid Structure Interaction ◽  
Sph Method ◽  
Fluid Structure ◽  
Structure Interaction

scholarly journals Dynamic analysis of 1100 kV composite bushing considering oil and structure interaction effects

2019 ◽  
Vol 272 ◽  
pp. 01011
Author(s):  
Hong Yuan Yue ◽  
Jian Yun Chen ◽  
Qiang Xu
Keyword(s):  
Fluid Structure Interaction ◽  
Time History ◽  
Bending Moment ◽  
Dynamic Responses ◽  
Electrical Network ◽  
Mass Model ◽  
Sph Method ◽  
Fluid Structure ◽  
Structure Interaction ◽  
Primary Object

The 1100 kV composite bushing is one of the most important components in the ultra-high voltage electrical network. Therefore, the safety and integrity must be ensured during the operation under any conditions such as an earthquake. The primary object of this paper is to investigate the effects of oil in the dome on the dynamic responses of the 1100 kV composite bushing when subjected to horizontal seismic ground motion. The coupled finite element method (FEM) and smoothed particle hydrodynamics (SPH) method is adopted to simulate the fluid structure interaction (FSI) between the oil and the dome. The influences of particle’s distributions on the numerical results and computational efficiencies are discussed. For comparison with the coupled FEM/SPH method, the additional mass model is also performed. The influences of oil oscillation on the time history of absolute acceleration of 1100 kV composite bushing are discussed, as well as the relative displacement and the bending moment at the base of the structure. The results show that the motion of oil in the dome with free surface can limit the vibration of the 1100 kV composite bushing and can efficiently dissipate the kinetic energy of the 1100 kV composite bushing by fluid-structure interaction.

A coupled NMM-SPH method for fluid-structure interaction problems

2019 ◽  
Vol 76 ◽  
pp. 466-478 ◽  
Author(s):  
Ying Xu ◽  
Changyi Yu ◽  
Feng Liu ◽  
Qinya Liu
Keyword(s):  
Fluid Structure Interaction ◽  
Sph Method ◽  
Fluid Structure ◽  
Structure Interaction

Fluid-Structure Interaction Simulation Using an Incompressible SPH method

2008 ◽  
Author(s):  
Ashkan Rafiee ◽  
Krish P. Thiagarajan
Keyword(s):  
Water Pressure ◽  
Fluid Structure Interaction ◽  
Momentum Equation ◽  
Sph Method ◽  
Fluid Structure ◽  
Pressure Poisson Equation ◽  
Structure Interaction ◽  
Solid Structure ◽  
Particle Hydrodynamics ◽  
Structural Deformations

In this paper an incompressible Smoothed Particle Hydrodynamics (SPH) method is proposed for simulation of fluid-structure interaction problems, deploying the pressure Poisson equation to satisfy incompressibility constraints. Viscous fluid flow past rigid and hypoelastic solid surfaces is studied. The fluid is fully coupled with the solid structure that can undergo large structural deformations. A key feature of the proposed scheme is that the no-slip and coupling conditions on the contact surface are satisfied automatically. To alleviate the numerical difficulties encountered when a hypoelastic solid structure is highly stretched, an artificial stress term is incorporated into the momentum equation which reduces the risk of unrealistic fractures in the material. Three challenging test cases, deformation of an elastic plate subjected to time-dependent water pressure, collapse of a water column with an obstacle and breaking dam on a hypoelastic wall are solved to demonstrate the capability of the proposed scheme. The results are in very good agreement with available experimental results.

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