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Design and Performance Study of Complex Thin Wall Structure of the Front Cabin
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Xianming Meng, Pengfei Ren, Sai Zhang
Automotive Engineering | 2024, 46(12) : 2173 - 2180
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Automotive Engineering | 2024, 46(12): 2173-2180
• Feature Topic： Automotive Structural Integration Design and Manufacturing Technology •
Design and Performance Study of Complex Thin Wall Structure of the Front Cabin
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Xianming Meng, Pengfei Ren, Sai Zhang
Affiliations
  • China Automotive Technology and Research Center Co. ，Ltd. ，Tianjin 300300
Published: 2024-12-25 doi: 10.19562/j.chinasae.qcgc.2024.12.004
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For the complex thin-walled structure design of the integrated front engine compartment of electric vehicles，a structure and performance collaborative design method based on topology optimization is proposed in this paper. The optimal load path under multiple load conditions is determined through topology optimization and feasibility design of the front engine compartment integrated die-casting component process is conducted. Material testing is conducted on the die-cast materials，and failure surfaces are developed based on stress triaxiality and Lode angle coefficient stress states. A simplified frontal collision model is constructed to assess the stiffness compatibility between the extruded longitudinal beams and the die-cast components within the integrated front compartment structure. The results show that the proposed design method can effectively obtain topological paths under multiple performance constraints，fully consider the feasibility of the front cabin structure process and structural performance matching，and reduce research and development cost.

multi-performance topology optimization  /  front cabin integrated design  /  integrated die casting  /  fracture constitutive model
Xianming Meng, Pengfei Ren, Sai Zhang. Design and Performance Study of Complex Thin Wall Structure of the Front Cabin[J]. Automotive Engineering, 2024 , 46 (12) : 2173 -2180 . DOI: 10.19562/j.chinasae.qcgc.2024.12.004
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Year 2024 volume 46 Issue 12
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Article Info
doi: 10.19562/j.chinasae.qcgc.2024.12.004
  • Receive Date：2024-07-01
  • Online Date：2025-07-21
  • Published：2024-12-25
Article Data
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  • Received：2024-07-01
  • Revised：2024-08-01
Affiliations
    China Automotive Technology and Research Center Co. ，Ltd. ，Tianjin 300300
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Citations
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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