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SPH simulation of non-isothermal complex flow with fluid impacting obstacles
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Hai-yang YU1, 2, Lin ZHANG1, Yuan ZHOU3
Chinese Journal of Computational Mechanics | 2025, 42(5) : 859 - 864
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Chinese Journal of Computational Mechanics | 2025, 42(5): 859-864
• Research Notes •
SPH simulation of non-isothermal complex flow with fluid impacting obstacles
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Hai-yang YU1, 2, Lin ZHANG1, Yuan ZHOU3
Affiliations
  • 1.State Key Laboratory of Mesoscience and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
  • 2.School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
  • 3.Process Engineering Department, Petrochina Petrochemical Research Institute, Beijing 102206, China
Published: 2025-10-28 doi: 10.7511/jslx20240531001
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The non-isothermal complex flow caused by fluid impacting obstacles is very important to the industrial processes such as nuclear energy utilization. Through coupling various numerical techniques such as the density diffusive term, artificial viscous term, particle shifting technique, a stable and accurate non-isothermal smoothed particle hydrodynamics (SPH) scheme is established, and accurate simulation of non-isothermal complex flow caused by fluid impacting obstacles is realized. Based on the simulation for the non-isothermal flow past a heated cylinder, the non-isothermal dam break past single/multiple obstacles, it is demonstrated that: (1) the developed non-isothermal SPH scheme can not only compute a smooth pressure field and avoid the spurious oscillation of numerical solutions, but also predict accurately the temperature field and the key physical quantities; (2) this SPH scheme can also accurately show the interaction between the heat conduction process and the complex free-surface evolution, and has the capability to simulate non-isothermal complex flows past multiple obstacles.

SPH  /  non-isothermal flow  /  impacting flow  /  free surface  /  particle shifting technique
Hai-yang YU, Lin ZHANG, Yuan ZHOU. SPH simulation of non-isothermal complex flow with fluid impacting obstacles[J]. Chinese Journal of Computational Mechanics, 2025 , 42 (5) : 859 -864 . DOI: 10.7511/jslx20240531001
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Article Info
doi: 10.7511/jslx20240531001
  • Receive Date：2024-05-31
  • Online Date：2026-03-24
  • Published：2025-10-28
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  • Received：2024-05-31
  • Revised：2024-07-28
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Affiliations
    1.State Key Laboratory of Mesoscience and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
    2.School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
    3.Process Engineering Department, Petrochina Petrochemical Research Institute, Beijing 102206, China
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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