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Equivalent Simplification of Gate with Perforated Structure Based on Superposition Method
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Yu-xi HUANG, Cheng LI, Qing-chen XUE, Dong CHEN
Water Resources and Power | 2025, 43(9) : 114 - 118
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Water Resources and Power | 2025, 43(9): 114-118
Equivalent Simplification of Gate with Perforated Structure Based on Superposition Method
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Yu-xi HUANG, Cheng LI, Qing-chen XUE, Dong CHEN
Affiliations
  • School of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou 450001, China
Published: 2025-09-25 doi: 10.20040/j.cnki.1000-7709.2025.20242234
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Perforated structures are commonly found in engineering applications, where stress concentration around holes significantly affects structural load-bearing capacity and safety. Therefore, accurate mechanical analysis of perforated structures is essential. However, the traditional finite element analysis methods face several challenges, including complex mesh generation, high computational resource requirements, and poor convergence when dealing with perforated structures. To overcome these challenges, a finite element analysis method based on the superposition principle is proposed. This approach replaces the original model with a simplified equivalent model featuring a less complex mesh for simulation. The stress field of sub-models is subsequently employed to correct the stress distribution around holes in the equivalent model. Comparative results indicate that the discrepancy between the equivalent model and the original model is within 5%. The equivalent model achieves a 25.2% reduction in mesh elements and a 75.1% reduction in simulation time, substantially improving simulation efficiency.

planar steel gate  /  stress concentration  /  mesh generation  /  superposition method  /  finite element simulation
Yu-xi HUANG, Cheng LI, Qing-chen XUE, Dong CHEN. Equivalent Simplification of Gate with Perforated Structure Based on Superposition Method[J]. Water Resources and Power, 2025 , 43 (9) : 114 -118 . DOI: 10.20040/j.cnki.1000-7709.2025.20242234
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Article Info
doi: 10.20040/j.cnki.1000-7709.2025.20242234
  • Receive Date：2024-11-27
  • Online Date：2025-12-15
  • Published：2025-09-25
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  • Received：2024-11-27
  • Revised：2024-12-16
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    School of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou 450001, 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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