An improved Riemann SPH-Hamiltonian SPH coupled solver for hydroelastic fluid-structure interactions

Khayyer, Abbas; Gotoh, Hitoshi; Shimizu, Yuma; Gotoh, Takafumi

doi:10.1016/j.enganabound.2023.10.018

Engineering Analysis with Boundary Elements

2024

DOI: 10.1016/j.enganabound.2023.10.018

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An improved Riemann SPH-Hamiltonian SPH coupled solver for hydroelastic fluid-structure interactions

Abbas Khayyer,

Hitoshi Gotoh,

Yuma Shimizu

et al.

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2024

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Cited by 12 publications

References 93 publications

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IGA-SPH: coupling isogeometric analysis with smoothed particle hydrodynamics for air-blast–structure interaction

Rahimi,

Moutsanidis

2024

Engineering with Computers

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IGA-SPH: coupling isogeometric analysis with smoothed particle hydrodynamics for air-blast–structure interaction

Rahimi,

Moutsanidis

2024

Engineering with Computers

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A stabilised Total Lagrangian Element-Free Galerkin method for transient nonlinear solid dynamics

Badnava,

Lee,

Nourbakhsh

et al. 2024

Comput Mech

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This paper presents a new stabilised Element-Free Galerkin (EFG) method tailored for large strain transient solid dynamics. The method employs a mixed formulation that combines the Total Lagrangian conservation laws for linear momentum with an additional set of geometric strain measures. The main aim of this paper is to adapt the well-established Streamline Upwind Petrov–Galerkin (SUPG) stabilisation methodology to the context of EFG, presenting three key contributions. Firstly, a variational consistent EFG computational framework is introduced, emphasising behaviours associated with nearly incompressible materials. Secondly, the suppression of non-physical numerical artefacts, such as zero-energy modes and locking, through a well-established stabilisation procedure. Thirdly, the stability of the SUPG formulation is demonstrated using the time rate of Hamiltonian of the system, ensuring non-negative entropy production throughout the entire simulation. To assess the stability, robustness and performance of the proposed algorithm, several benchmark examples in the context of isothermal hyperelasticity and large strain plasticity are examined. Results show that the proposed algorithm effectively addresses spurious modes, including hour-glassing and spurious pressure fluctuations commonly observed in classical displacement-based EFG frameworks.

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An Innovative Coupled Common-Node Discrete Element Method-Smoothed Particle Hydrodynamics Model Developed with LS-DYNA and Its Applications

Shen,

Wang,

et al. 2024

China Ocean Eng

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An improved Riemann SPH-Hamiltonian SPH coupled solver for hydroelastic fluid-structure interactions

Cited by 12 publications

References 93 publications

IGA-SPH: coupling isogeometric analysis with smoothed particle hydrodynamics for air-blast–structure interaction

IGA-SPH: coupling isogeometric analysis with smoothed particle hydrodynamics for air-blast–structure interaction

A stabilised Total Lagrangian Element-Free Galerkin method for transient nonlinear solid dynamics

An Innovative Coupled Common-Node Discrete Element Method-Smoothed Particle Hydrodynamics Model Developed with LS-DYNA and Its Applications

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