Embedment of WENO-Z reconstruction in Lagrangian WLS scheme implemented on GPU for strongly-compressible multi-phase flows

Jiang, Tao; Liu, Yu-Hang; Meng, Zi-Fei; Sun, Peng-Nan; Wei, Xiang-Yang; Wang, Deng-Shan

doi:10.1016/j.cma.2024.117209

Computer Methods in Applied Mechanics and Engineering

2024

DOI: 10.1016/j.cma.2024.117209

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Embedment of WENO-Z reconstruction in Lagrangian WLS scheme implemented on GPU for strongly-compressible multi-phase flows

Tao Jiang,

Yu-Hang Liu,

Zi-Fei Meng

et al.

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Efficient smoothed particle hydrodynamics modeling of airtanker water dropping: From basic validations to practical applications

Guan,

Sun,

Huang

et al. 2024

Physics of Fluids

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The water-dropping (by water-dropping, we mean the phenomenon of water flow dispersing into droplets under the influence of airflows) of airtankers (by airtankers, we mean the aircraft carrying out firefighting missions) has always been a challenge in computational fluid dynamics simulation due to its complex mechanism and vast splashing space. Although the smoothed particle hydrodynamics (SPH) method has advantages in dealing with splashing problems, the multiphase flow SPH model faces the challenge of low computational efficiency in simulating splashing problems in the vast space. An efficient SPH model considering airflow resistance based on the single-phase coupling algorithm between fluid particles and airflows is proposed in this paper. The SPH model can calculate the airflow resistance of fluid particles based on their windward surface and surface normal and then simulate the splashing trajectory and pattern of SPH particles under the influence of high-speed airflows. In this article, two benchmark cases, including water jet and dropped water in the wind, are simulated based the SPH model. The simulation results are consistent with experimental results, verifying the computational accuracy and efficiency of the proposed SPH model. After that, the entire pattern of water-dropping about an airtanker is simulated, proving the feasibility of the algorithm for simulating large-scale water-dropping engineering problems.

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Efficient smoothed particle hydrodynamics modeling of airtanker water dropping: From basic validations to practical applications

Guan,

Sun,

Huang

et al. 2024

Physics of Fluids

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show abstract

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Embedment of WENO-Z reconstruction in Lagrangian WLS scheme implemented on GPU for strongly-compressible multi-phase flows

Cited by 1 publication

References 85 publications

Efficient smoothed particle hydrodynamics modeling of airtanker water dropping: From basic validations to practical applications

Efficient smoothed particle hydrodynamics modeling of airtanker water dropping: From basic validations to practical applications

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