期刊
PROCESSES
卷 11, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/pr11102971
关键词
discrete element method; parameter calibration; bonding model; EUO samara
The calibration of the discrete element model for EUO samara addresses the lack of such simulation models and parameters in the development of mechanical hulling technology and equipment. The model, based on the Hertz-Mindlin with bonding model, was calibrated using physical experiments to measure the relevant parameters. The results showed a 0.93% relative error between the simulated and measured maximum shear force. The model and parameter calibration established in this research can be used for discrete element simulation research, providing guidance for the research and development of EUO samara hulling equipment.
The calibration of the discrete element model of EUO samara was conducted in response to the lack of discrete element simulation models and parameters in the development of mechanical hulling technology and equipment of EUO samara. The EUO samara was modeled based on the Hertz-Mindlin with bonding model, and its relevant parameters were measured by physical experiments. Among them, maximum shear force was used as the evaluation index, virtual calibration experiments were conducted for the bonding parameters by the single-factor experiments, and the two-level factorial experiment, the steepest climb experiment, and the Box-Behnken response surface experiment were also used. The results showed that the relative error between the simulated and measured maximum shear force is 0.93%; the model and parameter calibration results established by this research can be used for discrete element simulation research, which is of guiding significance for the research and development of hulling equipment of EUO samara.
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