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The self piercing riveting & bonding composite connection point with aluminum plate was taken as the research object. In the early stage, through the dynamic tensile test and CAE simulation modeling calibration of the connection point under 3 working conditions of tension shear, tear and forward tension, the parameters in the constitutive relationship of CAE simulation model were accurately obtained. Finally, the comparative verification test of CAE collision simulation and high-speed impact was carried out for T-shaped components with multiple working conditions, CAE simulation accurately predicted and realized the failure of the connection point, and the simulation accuracy reached 95.9%. It accurately characterized the deformation and failure behavior of the riveted-bonded composite connection point under mixed complex working conditions, which has high practicability in the CAE simulation of vehicle collision.
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| 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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