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基于RSM优化,对Leymus chinensis种子的离散元素模拟进行参数校准

Luoyi Yang^1,2,3, Wenhui Chen^1,2,3, Za Kan^1,2,3

¹College of Mechanical and Electrical Engineering, Shihezi University, Shihezi, 832000, China.

Scientific reports

|March 7, 2025

概括

这项研究对莱姆斯种子的离散元素参数进行了校准,这对于种子生产设备研究至关重要. 经过验证的模拟参数实现了0.94%的低误差,确保了可靠的设备设计.

科学领域:

农业工程农业工程
计算建模计算建模
生物质的表征生物质的表征

背景情况:

离散元件方法 (DEM) 模拟需要对颗粒状材料提供准确的参数.
在农业机械设计中缺乏Leymus chinensis (一种野生麦) 种子参数.
精确模拟种子机互动对于优化收获和加工设备至关重要.

研究的目的:

为了校准和验证莱姆斯chinensis种子的离散元素参数.
在生产设备中建立一个可靠的模拟模型来测试Leymus chinensis种子的行为.
为设计和模拟Leymus chinensis种子收获技术提供理论基础.

主要方法:

进行了物理实验,以测量种子特性并确定模拟参数范围.
普莱克特-伯曼设计和坡登测试确定了影响休息角度的关键参数.
盒子-Behnken设计建立了一个回归模型,使用物理测试的休息角度进行优化,用于参数校准.

主要成果:

影响静止角度的关键参数被确定并优化.
一个二阶回归模型准确地预测了模拟的堆叠角度.
与物理测试相比,模拟结果显示了最小的0.94%的相对误差,验证了参数.

结论:

校准的离散元素参数对于莱姆斯种子来说是准确和可靠的.
该研究提供了一种有效的模拟方法,用于种子机器相互作用.
这项研究支持优化和设计Leymus chinensis种子收获设备.

关键词:

莱姆斯chinensis种子的种子校准校准校准校准校准校准校准一个离散的元素.在RSM优化方面,RSM优化模拟参数模拟参数

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