卜树叶的机械性质以及在离散元素模型中对凝聚力参数的校准
Zhendong Zhang1,2, Guocheng Bao1,2, Yanwei Yuan1,2
1Institute of Tillage and Plant Protection Equipment, Chinese Academy of Agricultural Mechanization Sciences Group Co., Ltd., Beijing, China.
Frontiers in plant science
|October 10, 2025
概括
了解卜树的生物力学是收获机械的关键. 这项研究开发了一个可靠的离散元素模型,优化了有效收获卜的参数,这对农业工程至关重要.
科学领域:
- 农业工程 农业工程
- 生物机械工程 生物机械工程
- 材料科学 是一种材料科学.
背景情况:
- 有限的研究存在于卜树的生物机械性质.
- 缺乏离散元素模拟模型的粘合参数,阻碍了机械设计.
研究的目的:
- 为了研究树部分,水分含量和组织结构对卜树机械性质的影响.
- 开发和验证一个离散元素模拟模型,用于机械收获卜树.
- 为了确定卜树模拟的最佳结合参数.
主要方法:
- 组织学分析和扭力测试,以评估机械性能.
- 使用BondingV2模型开发一个离散元素模拟模型.
- 通过Plackett-Burman和中央复合材料实验优化模型粘合参数.
主要成果:
- 扭矩模量受到水分含量和组织结构的显著影响.
- 在树枝的远端观察到最佳的机械性能与中间水分水平.
- 与物理测试相比,经过验证的模拟模型具有较低的错误率 (0.41%8.8%).
结论:
- 开发的离散元素模型准确地代表了机械收获期间的卜树的行为.
- 优化的粘合参数为设计高效的卜收获机器提供了理论基础.
- 这些发现支持农业自动化和根植作物的工程技术的进步.
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