[PDF][PDF] Research on DEM calibration of contact parameters of coated fertilizer.

X Du, C Liu, M Jiang, H Yuan, L Dai, F Li, Z Gao - 2022 - api.inmateh.eu
To simulate the interactions between the coated fertilizer particles and the fertilizer
discharging components accurately, the coated fertilizer contact parameters were calibrated …

水稻籽粒流对承载板冲击过程离散元分析

邱白晶, 姜国微, 杨宁, 管贤平, 解金键, 李耀明 - 农业工程学报, 2012 - cqvip.com
为了提高谷物流量测量精度, 基于软球模型的离散元法, 采用Hertz-Mindlin (无滑移)
接触力学模型模拟水稻籽粒流与承载板冲击过程, 在升运器线速度分别为0.5, 1.0, 1.5 m/s …

Calibration method of contact characteristic parameters of soil in mulberry field based on unequal-diameter particles DEM theory

S Zhanhua, LI Hao, YAN Yinfa, T Fuyang… - Nongye Jixie Xuebao …, 2022 - nyjxxb.net
To obtain the physical parameters and contact parameters of discrete element modelling
(DEM) for simulating soil and interaction between soil and soil engaging components in …

Calibration of simulation parameters of mung bean seeds using discrete element method and verification of seed-metering test

Z Shengwei, Z Ruiyu, C Tianyou, FU Jun… - Nongye Jixie Xuebao …, 2022 - nyjxxb.net
In order to improve the accuracy of the simulation parameters used in the discrete element
simulation test of mung bean precision metering process, and further optimize the metering …

基于外碾削立式碾米机的离散元法仿真分析

史艳花, 张国全, 黄志平, 张宁 - 农机化研究, 2015 - cqvip.com
引入离散元仿真技术对碾米机械进行仿真研究, 旨在探索碾米机在碾白过程中的碎米机理.
通过模拟大米在输送过程来获得速度, 运动轨迹等数据, 由图表等方式输出模拟结果 …

玉米秸秆接触物理参数测定与离散元仿真标定

张涛, 刘飞, 赵满全, 麻乾, 王伟, 樊琦, 闫鹏 - 中国农业大学学报, 2018 - cqvip.com
为提高离散元方法模拟玉米秸秆揉碎过程的准确性, 试验测定玉米秸秆与揉碎机锤片,
玉米秸秆与玉米秸秆的接触参数. 以径向堆积角相对误差值为评价指标, 应用正交方法标定玉米 …

揉碎玉米秸秆螺旋输送仿真离散元模型参数标定.

王洪波, 樊志鹏, 王春光, 马哲 - Journal of Agricultural …, 2023 - search.ebscohost.com
为进一步揭示揉碎玉米秸秆饲料在螺旋输送器中的输送机理, 提高揉碎玉米秸秆螺旋输送过程中
离散元仿真研究所用参数的准确度, 将揉碎玉米秸秆分为秸秆穰, 秸秆叶, 秸秆皮 …

Calibration method of contact characteristic parameters for corn seeds based on EDEM

Y Wang, Z Liang, D Zhang, T Cui, S Shi… - Transactions of the …, 2016 - ingentaconnect.com
The pneumatic metering device has the advantages of high qualified index, less mechanical
damage to seeds and good adaptability for high-speed operation. But traditional calculation …

[引用][C] Calibration and experiment of contact parameters of rice grain based on discrete element method.

YP Liu, T Zhang, Y Liu - Journal of …, 2019 - Journal of Agricultural Science and …

颗粒物料恢复系数简易测量方法及其应用

杨明金, 杨玲, 李庆东 - 农机化研究, 2009 - cqvip.com
介绍了一种简易的基于运动学原理的颗粒物料恢复系数测量方法. 通过调整碰撞板被碰撞点离
底座上表面的高度测量得到两种不同高度所对应的投射距离, 从而计算出颗粒物料在不同条件下 …