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Simulation of failure in marine brittle materials under biaxial dynamic load via state-based peridynamics
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Shuang LI1, 2, Hai-ning LÜ1, 2, Xiao-hua HUANG3, Qiang SU4, Rui QIN1, 2, Jing-hang MAO1, 2
Journal of Ship Mechanics | 2025, 29(7) : 1089 - 1099
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Journal of Ship Mechanics | 2025, 29(7): 1089-1099
• Structural Mechanics •
Simulation of failure in marine brittle materials under biaxial dynamic load via state-based peridynamics
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Shuang LI1, 2, Hai-ning LÜ1, 2, Xiao-hua HUANG3, Qiang SU4, Rui QIN1, 2, Jing-hang MAO1, 2
Affiliations
  • 1.State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
  • 2.Yazhou Bay Institute of Deepsea SCI-TECH, Shanghai Jiao Tong University, Sanya 572000, China
  • 3.Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, Guangxi University, Nanning 530004, China
  • 4.Marine Design and Research Institute of China, Shanghai 200011, China
Published: 2025-07-20 doi: 10.3969/j.issn.1007-7294.2025.07.008
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The failure analysis of marine brittle materials under dynamic load has always been the focus of academic and engineering fields. A state-based peridynamic (PD) model for the failure in brittle materials was established based on the state-based PD. In the model, a quartic polynomial influence function was introduced to reflect the PD long-range force attenuation, and an energy-based failure criterion was given. The accuracy of the model was verified by comparing a series of numerical results with experimental results. The effects of biaxial load ratio, Poisson’s ratio, central pre-crack length and pre-crack angle on the failure of brittle solids were studied. The results show that the change of biaxial load ratio or pre-crack angle can affect the crack propagation direction; the biaxial load ratio or Poisson’s ratio leads to crack branches in the main crack path. Moreover, the increase of load ratio or Poisson’s ratio improves the dynamic load resistance of the specimen, while the increase of prefabricated crack length or angle reduces the dynamic load resistance of brittle solids.

dynamic failure  /  state-based peridynamics  /  brittle materials  /  fracture  /  crack propagation
Shuang LI, Hai-ning LÜ, Xiao-hua HUANG, Qiang SU, Rui QIN, Jing-hang MAO. Simulation of failure in marine brittle materials under biaxial dynamic load via state-based peridynamics[J]. Journal of Ship Mechanics, 2025 , 29 (7) : 1089 -1099 . DOI: 10.3969/j.issn.1007-7294.2025.07.008
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Year 2025 volume 29 Issue 7
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Article Info
doi: 10.3969/j.issn.1007-7294.2025.07.008
  • Receive Date：2025-01-26
  • Online Date：2026-03-24
  • Published：2025-07-20
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  • Received：2025-01-26
Funding
Affiliations
    1.State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
    2.Yazhou Bay Institute of Deepsea SCI-TECH, Shanghai Jiao Tong University, Sanya 572000, China
    3.Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, Guangxi University, Nanning 530004, China
    4.Marine Design and Research Institute of China, Shanghai 200011, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
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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