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Research on Solving Failure Parameters of Self-Piercing Riveting Connection in Vehicle Crashworthiness Simulation
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Longbo Ji, Shibin Wang, Hang Yang, Hongbin Tang
Automobile Technology & Material | 2024, (1) : 7 - 14
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Automobile Technology & Material | 2024, (1): 7-14
Research on Solving Failure Parameters of Self-Piercing Riveting Connection in Vehicle Crashworthiness Simulation
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Longbo Ji, Shibin Wang, Hang Yang, Hongbin Tang
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  • Global R&D Center, China FAW Co., Ltd., Changchun 130013
Published: 2024-01-20 doi: 10.19710/J.cnki.1003-8817.20230381
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A Ls-dyna software based self-piercing riveting joint simulation method for vehicle crashworthiness analysis of was proposed in this research. Method of solving failure parameters for self-piercing riveting joint was studied based on the combination of finite element analysis and test in different forced states, thus improving simulation calculation efficiency while ensuring simulation accuracy. Firstly, a refined simulation model for riveted joints was established based on experimental design, afterwards, a simplified simulation model was established using *CONSTRAINED_SPR2. Using the extracted values from experimental and refined simulation results as simplified parameter inputs can greatly improve the calculation speed of the vehicle crash crashworthiness model. Through this study, it is shown that this method can achieve a simulation accuracy of over 90% for the peak failure force of the self-piercing riveting joint through calibration with experimental results, and can be applied to crashworthiness analysis of complete vehicle model.

Crashworthiness  /  Self-piercing riveting (SPR)  /  Failure parameters  /  Simulation method
Longbo Ji, Shibin Wang, Hang Yang, Hongbin Tang. Research on Solving Failure Parameters of Self-Piercing Riveting Connection in Vehicle Crashworthiness Simulation[J]. Automobile Technology & Material, 2024 , (1) : 7 -14 . DOI: 10.19710/J.cnki.1003-8817.20230381
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doi: 10.19710/J.cnki.1003-8817.20230381
  • Online Date：2025-12-24
  • Published：2024-01-20
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    Global R&D Center, China FAW Co., Ltd., Changchun 130013
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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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