Ocean Systems Engineering

  • 제1권3호
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  • Pages.207-222
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  • 2011
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  • 2093-6702(pISSN)
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  • 2093-677X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Simulation of free falling rigid body into water by a stabilized incompressible SPH method

  • Aly, Abdelraheem M. (Civil Engineering Department, Faculty of Engineering, Kyushu University) ;
  • Asai, Mitsuteru (Civil Engineering Department, Faculty of Engineering, Kyushu University) ;
  • Sonoda, Yoshimi (Civil Engineering Department, Faculty of Engineering, Kyushu University)
  • 투고 : 2011.05.12
  • 심사 : 2011.07.28
  • 발행 : 2011.09.25
⟨ 이전 논문 다음 논문 ⟩

초록

A stabilized incompressible smoothed particles hydrodynamics (ISPH) method is utilized to simulate free falling rigid body into water domain. Both of rigid body and fluid domain are modeled by SPH formulation. The proposed source term in the pressure Poisson equation contains two terms; divergence of velocity and density invariance. The density invariance term is multiplied by a relaxed parameter for stabilization. In addition, large eddy simulation with Smagorinsky model has been introduced to include the eddy viscosity effect. The improved method is applied to simulate both of free falling vessels with different materials and water entry-exit of horizontal circular cylinder. The applicability and efficiency of improved method is tested by the comparisons with reference experimental results.

키워드

참고문헌

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피인용 문헌

  1. TSUNAMI RUN-UP SIMULATION BY ISPH METHOD WITH HIGH RESOLUTION GEOMETRICAL MODELING vol.69, pp.4, 2013, https://doi.org/10.2208/jscejseee.69.I_622
  2. A FLUID-RIGID BODY SIMULATION BY USING THE SPH METHOD AND ITS APPLICATION TO BRIGDE RUNOFF SIMULATION vol.70, pp.2, 2014, https://doi.org/10.2208/jscejam.70.I_329
  3. Numerical simulations of impact flows with incompressible smoothed particle hydrodynamics vol.28, pp.6, 2014, https://doi.org/10.1007/s12206-014-0120-8
  4. Analysis of unsteady mixed convection in lid-driven cavity included circular cylinders motion using an incompressible smoothed particle hydrodynamics method vol.25, pp.8, 2015, https://doi.org/10.1108/HFF-10-2014-0305
  5. Review of ship slamming loads and responses vol.16, pp.4, 2017, https://doi.org/10.1007/s11804-017-1437-3
  6. Double-diffusive natural convection in an enclosure filled with nanofluid using ISPH method vol.55, pp.4, 2016, https://doi.org/10.1016/j.aej.2016.06.036
  7. A numerical study on unsteady natural/mixed convection in a cavity with fixed and moving rigid bodies using the ISPH method 2018, https://doi.org/10.1108/HFF-02-2017-0058
  8. An incompressible smoothed particle hydrodynamics method for natural/mixed convection in a non-Darcy anisotropic porous medium vol.77, 2014, https://doi.org/10.1016/j.ijheatmasstransfer.2014.06.044
  9. Double-diffusive natural convection in an enclosure including/excluding sloshing rod using a stabilized ISPH method vol.73, 2016, https://doi.org/10.1016/j.icheatmasstransfer.2016.01.008
  10. Modelling of Non-Darcy Flows through Porous Media Using Extended Incompressible Smoothed Particle Hydrodynamics vol.67, pp.3, 2015, https://doi.org/10.1080/10407790.2014.955772
  11. Modeling of multi-phase flows and natural convection in a square cavity using an incompressible smoothed particle hydrodynamics vol.25, pp.3, 2015, https://doi.org/10.1108/HFF-05-2014-0161
  12. ISPH method for double-diffusive natural convection under cross-diffusion effects in an anisotropic porous cavity/annulus vol.26, pp.1, 2016, https://doi.org/10.1108/HFF-03-2015-0085
  13. Three-Dimensional Incompressible Smoothed Particle Hydrodynamics for Simulating Fluid Flows Through Porous Structures vol.110, pp.3, 2015, https://doi.org/10.1007/s11242-015-0568-8
  14. Numerical Analysis of Liquid Sloshing Using the Incompressible Smoothed Particle Hydrodynamics Method vol.7, pp.2, 2015, https://doi.org/10.1155/2014/765741
  15. Development of Empirical Formulation for Bow Flare Slamming and Deck Wetness for Displacement Vessels pp.1993-5048, 2018, https://doi.org/10.1007/s11804-018-0045-1
  16. Towards development of a reliable fully-Lagrangian MPS-based FSI solver for simulation of 2D hydroelastic slamming vol.7, pp.3, 2011, https://doi.org/10.12989/ose.2017.7.3.299
  17. Water entry of decelerating spheres simulations using improved ISPH method vol.30, pp.6, 2011, https://doi.org/10.1007/s42241-018-0133-3
  18. Fluid Structure Interaction of Buoyant Bodies with Free Surface Flows: Computational Modelling and Experimental Validation vol.11, pp.5, 2011, https://doi.org/10.3390/w11051048
  19. Mixed Convection in an Inclined Nanofluid Filled-Cavity Saturated With a Partially Layered Porous Medium vol.11, pp.4, 2011, https://doi.org/10.1115/1.4042352
  20. Natural convection in a nanofluid-filled cavity with solid particles in an inner cross shape using ISPH method vol.141, pp.None, 2011, https://doi.org/10.1016/j.ijheatmasstransfer.2019.06.090
  21. Natural Convection from Heated Shape in Nanofluid-Filled Cavity Using Incompressible Smoothed Particle Hydrodynamics vol.33, pp.4, 2011, https://doi.org/10.2514/1.t5665
  22. Natural convection from cross blade inside a nanofluid-filled cavity using ISPH method vol.30, pp.10, 2011, https://doi.org/10.1108/hff-12-2019-0863
  23. Motion of circular cylinders during natural convection flow in X-shaped cavity filled with a nanofluid using ISPH method vol.31, pp.5, 2021, https://doi.org/10.1108/hff-04-2020-0231
  24. ISPH simulations of natural convection from rotating circular cylinders inside a horizontal wavy cavity filled with a nanofluid and saturated by a heterogeneous porous medium vol.230, pp.5, 2021, https://doi.org/10.1140/epjs/s11734-021-00050-y