An edge-based smoothed finite element method for semi-implicit coupling of unsteady viscoelastic fluid–structure interaction

He, Tao; Ma, Xuehu

doi:10.1016/j.compstruc.2023.107028

Computers & Structures

2023

DOI: 10.1016/j.compstruc.2023.107028

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An edge-based smoothed finite element method for semi-implicit coupling of unsteady viscoelastic fluid–structure interaction

Tao He

Xuehu Ma

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Cited by 5 publications

References 59 publications

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A reduced smoothed integration scheme of the cell‐based smoothed finite element method for solving fluid–structure interaction on severely distorted meshes

He,

Lu,

2024

Numerical Methods in Fluids

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This article describes an inexpensive partitioned coupling strategy for computational fluid–structure interaction (FSI) admitting negative‐Jacobian elements. The emphasis is very much on a reduced smoothed integration (RSI) scheme of the cell‐based smoothed finite element method (CSFEM) using four‐node quadrilateral (Q4) elements for a cost‐effective solution to the Navier–Stokes (NS) equations. In the discrete fluid field, each Q4 element is considered as one single smoothing cell so as to diminish the smoothed integration loops substantially. However, the RSI scheme does not respect the stability condition of smoothed Galerkin weak‐form integral in the CSFEM. To tackle this issue, a simple hourglass control is introduced to the under‐integrated formulation of the NS solver. Importantly, the stabilized RSI scheme has an inbuilt advantage of its enormous tolerance towards negative‐Jacobian elements. The developed technique is easy‐to‐implement and has been tested in various FSI examples adopting both fine and distorted meshes.

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A reduced smoothed integration scheme of the cell‐based smoothed finite element method for solving fluid–structure interaction on severely distorted meshes

He,

Lu,

2024

Numerical Methods in Fluids

Self Cite

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CBS-Based Partitioned Semi-implicit Coupling Algorithms for Fluid–Structure Interaction: A Decade Review

2023

Arch Computat Methods Eng

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A Numerical Simulation of Reciprocating Blood Pump: Effect of Valve Movement and Leakage Flow on Hemolytic Performance

Vakilzadeh,

Bagheri Sarvestani,

Kamali

et al. 2024

Iran J Sci Technol Trans Mech Eng

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An edge-based smoothed finite element method for semi-implicit coupling of unsteady viscoelastic fluid–structure interaction

Cited by 5 publications

References 59 publications

A reduced smoothed integration scheme of the cell‐based smoothed finite element method for solving fluid–structure interaction on severely distorted meshes

A reduced smoothed integration scheme of the cell‐based smoothed finite element method for solving fluid–structure interaction on severely distorted meshes

CBS-Based Partitioned Semi-implicit Coupling Algorithms for Fluid–Structure Interaction: A Decade Review

A Numerical Simulation of Reciprocating Blood Pump: Effect of Valve Movement and Leakage Flow on Hemolytic Performance

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