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To guide the design of car seats and save development time, this paper studied the effects of residual stress and plastic deformation generated after sheet metal parts stamping on the crash simulation of car seat based on one-step stamping, and investigated the automatic processing method of stamping process. Stamping simulation of sheet metal parts was conducted through the Radioss_One_Step module of Altair HyperWorks software. The program was optimized by TCL/TK and Python language, to achieve the automatic batch processing of stamping simulation of all sheet metal parts of seat, meanwhile, the stamping results was automatically mapped to crash model. This paper took the driver’s seat of a vehicle as research object to perform crash simulation and physical test of the 50th percentile male dummy. It is found that the rear impact simulation with the stamping results is closer to the physical test, the simulation is more accurate. Moreover, the optimized batch program can save more than 90% of the working time.
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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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