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基于数值模拟的模板机体的性能分析,带有升高元件和框架
Xueting Ma1,2,3, Xinli Wang1,2,3, Chang Wan1,2,3
1College of Mechanical and Electrical Engineering, Tarim University, Alar, China.
PloS one
|September 11, 2025
概括
这项研究使用数值模拟优化了模板的性能. 最佳参数增强土壤透阻力和土壤干扰,确保结构完整性并防止在操作过程中产生共振.
科学领域:
- 农业工程 农业工程
- 土壤力学 土壤力学
- 计算力学 计算力学 计算力学
背景情况:
- 模板设计对于土壤耕作效率至关重要.
- 了解操作参数对性能的影响至关重要.
- 数字模拟为分析复杂的农业机械提供了强大的工具.
研究的目的:
- 设计和分析新型模板的性能.
- 为了研究前进速度,拉杆角度和凸起结构半径对性能的影响.
- 为了评估框架的结构完整性和动态行为.
主要方法:
- 离散元素方法 (DEM) 用于土壤-互动分析.
- 响应表面方法 (RSM) 用于参数优化.
- 有限元分析 (FEA) 用于框架的静态,模态和波响应分析.
主要成果:
- 前进速度,拉杆角和凸半径显著影响土壤透阻力和土壤干扰.
- 确定了最佳参数:前进速度为0.8m/s,拉杆角度为45°,形结构半径为9mm.
- 框架符合静态要求 (最大应力24.7 MPa,最大变形0.02 mm) 并避免共振 (自然频率92 Hz).
结论:
- 设计的模板通过数值模拟来证明最佳性能.
- 确定的最佳参数确保了有效的土壤参与和干扰.
- 架表现出强大的结构完整性和在运行负载下动态稳定性.
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