... soil compact mechanics 挤土机理 soil tillage mechanics 土壤耕作力学 Soil Mechanics 土力学 ...
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提出了采用基于颗粒接触力学原理的离散元法对耕作土壤动力学问题进行数值模拟的新思路。
A new simulation strategy using the Discrete Element Method (DEM) based on spherical particle contact mechanics to tillage soil dynamics was proposed.
由于耕区土壤水力学参数的变化对免耕法并不敏感,故模拟的水平衡项与传统耕作下的相应值间基本无差异。
The results show that ST changes the hydraulic behavior of the soil significantly and the simulation based on dynamic parameters is remarkably differed from that of CT.
耕作土壤表面空气动力学粗糙度是评价土壤可蚀性的重要指标。
Aerodynamic roughness length is a important feature to easement soil resistance to wind erosion.
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