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Ship hydroelasticity response in long-crested irregular waves by CFD-FEM simulation
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Zhen-wei CHEN1, Jia-long JIAO1, Cai-xia JIANG2, 3, Shuai CHEN2, 3, Hai-long SI2, 3
Journal of Ship Mechanics | 2026, 30(3) : 363 - 376
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Journal of Ship Mechanics | 2026, 30(3): 363-376
• Hydrodynamics •
Ship hydroelasticity response in long-crested irregular waves by CFD-FEM simulation
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Zhen-wei CHEN1, Jia-long JIAO1, Cai-xia JIANG2, 3, Shuai CHEN2, 3, Hai-long SI2, 3
Affiliations
  • 1.School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510641, China
  • 2.China Ship Scientific Research Center, Wuxi 214082, China
  • 3.National Key Laboratory of Ship Structural Safety, Wuxi 214082, China
Published: 2026-03-15 doi: 10.3969/j.issn.1007-7294.2026.03.003
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In order to study the ship seakeeping and hydroelastic responses in realistic random waves, a CFD-FEM two-way fluid-structure coupling method is employed to simulate the ship motions and wave load response in head irregular waves. First, a numerical tank and a ship finite element model are established in CFD and FEM solvers, respectively. A numerical simulation scheme based on high-performance computing platform is addressed for large-scale numerical computations. Then, the long-crested irregular waves are generated in the CFD solvers. The reliability and accuracy of the numerical waves is validated by comparison with theoretical results. Furthermore, the obtained results of the motion and load response of the ship hull in irregular waves, including the time series, frequency spectrum and probability of exceedance of the signals, such as heave and pitch motions, vertical acceleration and sectional bending moments, etc., are comprehensively studied and discussed. These results are also validated by comparison with those of the segmented model tests. The analysis reveals that the results of ship motions and VBM at midship simulated by the presented method are in good agreement. The errors of the significant amplitudes of heave, pitch motions and VBM amidships between experimental and numerical results for a typical case are 4.8%, 0.8% and 1.6%, respectively.

long-crested irregular wave  /  random waves  /  ship motion  /  wave induced load  /  hydroelasticity  /  fluid-structure interaction
Zhen-wei CHEN, Jia-long JIAO, Cai-xia JIANG, Shuai CHEN, Hai-long SI. Ship hydroelasticity response in long-crested irregular waves by CFD-FEM simulation[J]. Journal of Ship Mechanics, 2026 , 30 (3) : 363 -376 . DOI: 10.3969/j.issn.1007-7294.2026.03.003
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Year 2026 volume 30 Issue 3
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Article Info
doi: 10.3969/j.issn.1007-7294.2026.03.003
  • Receive Date：2025-07-10
  • Online Date：2026-07-07
  • Published：2026-03-15
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  • Received：2025-07-10
Affiliations
    1.School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510641, China
    2.China Ship Scientific Research Center, Wuxi 214082, China
    3.National Key Laboratory of Ship Structural Safety, Wuxi 214082, China
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https://castjournals.cast.org.cn/joweb/cblx/EN/10.3969/j.issn.1007-7294.2026.03.003
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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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