Journal of Agricultural Science and Technology ›› 2023, Vol. 25 ›› Issue (3): 96-106.DOI: 10.13304/j.nykjdb.2022.0725
• INTELLIGENT AGRICULTURE & AGRICULTURAL MACHINERY • Previous Articles Next Articles
Hongbo WANG(
), Zhipeng FAN, Wulantuya, Chunguang WANG, Zhe MA
Received:2022-08-31
Accepted:2022-10-24
Online:2023-03-15
Published:2023-05-22
王洪波(), 樊志鹏, 乌兰图雅, 王春光, 马哲
作者简介:王洪波 E⁃mail：wanghb@imau.edu.cn
基金资助:CLC Number:
Hongbo WANG, Zhipeng FAN, Wulantuya, Chunguang WANG, Zhe MA. Parameter Calibration of Discrete Element Model for Simulation of Crushed Corn Stalk Screw Conveying[J]. Journal of Agricultural Science and Technology, 2023, 25(3): 96-106.
王洪波, 樊志鹏, 乌兰图雅, 王春光, 马哲. 揉碎玉米秸秆螺旋输送仿真离散元模型参数标定[J]. 中国农业科技导报, 2023, 25(3): 96-106.
Add to citation manager EndNote|Ris|BibTeX
URL: https://nkdb.magtechjournal.com/EN/10.13304/j.nykjdb.2022.0725
Fig. 1 Determination of elastic modulus of straw core and leafA： Shear test of straw core； B： Shear test of leaves； 1—Texture analyzer cutter； 2—Straw core； 3—Bottom plate； 4—Leaf
Fig. 2 Shear modulus determination of straw core and leafA： Shear test of straw core； B： Shear test of leaves； 1—Texture analyzer cutter； 2—Straw core； 3—Bottom plate； 4—Leaf
Fig. 3 Determination test of static friction coefficient between leaf and skinNote： 1—Inclinometer； 2—Base plate made of leaf； 3—Skin.
Fig. 4 Determination of crash restitution coefficientNote： 1—Starting point； 2—Baffle； 3—Bottom plate.
Fig. 5 Discrete element model of straw core， skin and leaf
Fig. 6 Simulation model of crushed corn stalk accumulation
对象 Object | 静摩擦系数 Static friction coefficient | 滚动摩擦系数 Rolling friction coefficient | 碰撞恢复系数 Collision restitution coefficient | ||||||
|---|---|---|---|---|---|---|---|---|---|
穰 Straw core | 叶 Leaf | 皮 Skin | 穰 Straw core | 叶 Leaf | 皮 Skin | 穰 Straw core | 叶 Leaf | 皮 Skin | |
穰 Straw core | 2.25~3.08 | 0.23~0.36 | 0.36~0.42 | ||||||
叶 Leaf | 0.75~1.04 | 0.31~0.40 | 0.27~0.36 | 0.29~0.38 | 0.29~0.38 | 0.29~0.40 | |||
皮 Skin | 0.78~1.04 | 0.31~0.40 | 0.62~0.75 | 0.31~0.38 | 0.29~0.42 | 0.27~0.32 | 0.36~0.43 | 0.36~0.41 | 0.33~0.43 |
45钢 45 steel | 1.00~1.07 | 0.36~0.40 | 0.31~0.34 | 0.31~0.42 | 0.18~0.25 | 0.25~0.29 | 0.37~0.46 | 0.36~0.43 | 0.40~0.45 |
Table 1 Static friction coefficient， rolling friction coefficient and collision restitution coefficient between objects
对象 Object | 静摩擦系数 Static friction coefficient | 滚动摩擦系数 Rolling friction coefficient | 碰撞恢复系数 Collision restitution coefficient | ||||||
|---|---|---|---|---|---|---|---|---|---|
穰 Straw core | 叶 Leaf | 皮 Skin | 穰 Straw core | 叶 Leaf | 皮 Skin | 穰 Straw core | 叶 Leaf | 皮 Skin | |
穰 Straw core | 2.25~3.08 | 0.23~0.36 | 0.36~0.42 | ||||||
叶 Leaf | 0.75~1.04 | 0.31~0.40 | 0.27~0.36 | 0.29~0.38 | 0.29~0.38 | 0.29~0.40 | |||
皮 Skin | 0.78~1.04 | 0.31~0.40 | 0.62~0.75 | 0.31~0.38 | 0.29~0.42 | 0.27~0.32 | 0.36~0.43 | 0.36~0.41 | 0.33~0.43 |
45钢 45 steel | 1.00~1.07 | 0.36~0.40 | 0.31~0.34 | 0.31~0.42 | 0.18~0.25 | 0.25~0.29 | 0.37~0.46 | 0.36~0.43 | 0.40~0.45 |
代号 Code | 仿真参数 Simulation parameter | 水平 Level | 代号 Code | 仿真参数 Simulation parameter | 水平 Level | ||
|---|---|---|---|---|---|---|---|
| -1 | +1 | -1 | +1 | ||||
| A | 穰-穰静摩擦系数 Straw corestraw core static friction coefficient | 2.14 | 3.27 | G | 皮-皮静摩擦系数 Skinskin static friction coefficient | 0.58 | 0.75 |
| B | 穰-穰滚动摩擦系数 Straw corestraw core rolling friction coefficient | 0.23 | 0.47 | H | 皮-叶静摩擦系数 Skinlesf static friction coefficient | 0.31 | 0.45 |
| C | 穰-皮静摩擦系数 Straw coreskin static friction coefficient | 0.73 | 1.07 | I | 皮-叶滚动摩擦系数 Skinlesf rolling friction coefficient | 0.29 | 0.45 |
| D | 穰-皮碰撞恢复系数 Straw coreskin collision restitution coefficient | 0.33 | 0.47 | J | 叶-叶静摩擦系数 Lesflesf static friction coefficient | 0.31 | 0.45 |
| E | 穰-叶静摩擦系数 Straw corelesf static friction coefficient | 0.75 | 1.11 | K | 叶-叶碰撞恢复系数 Lesflesf collision restitution coefficient | 0.27 | 0.40 |
| F | 穰-叶滚动摩擦系数 Straw corelesf rolling friction coefficient | 0.25 | 0.42 | ||||
Table 4 Plackett-Buman test parameters table
代号 Code | 仿真参数 Simulation parameter | 水平 Level | 代号 Code | 仿真参数 Simulation parameter | 水平 Level | ||
|---|---|---|---|---|---|---|---|
| -1 | +1 | -1 | +1 | ||||
| A | 穰-穰静摩擦系数 Straw corestraw core static friction coefficient | 2.14 | 3.27 | G | 皮-皮静摩擦系数 Skinskin static friction coefficient | 0.58 | 0.75 |
| B | 穰-穰滚动摩擦系数 Straw corestraw core rolling friction coefficient | 0.23 | 0.47 | H | 皮-叶静摩擦系数 Skinlesf static friction coefficient | 0.31 | 0.45 |
| C | 穰-皮静摩擦系数 Straw coreskin static friction coefficient | 0.73 | 1.07 | I | 皮-叶滚动摩擦系数 Skinlesf rolling friction coefficient | 0.29 | 0.45 |
| D | 穰-皮碰撞恢复系数 Straw coreskin collision restitution coefficient | 0.33 | 0.47 | J | 叶-叶静摩擦系数 Lesflesf static friction coefficient | 0.31 | 0.45 |
| E | 穰-叶静摩擦系数 Straw corelesf static friction coefficient | 0.75 | 1.11 | K | 叶-叶碰撞恢复系数 Lesflesf collision restitution coefficient | 0.27 | 0.40 |
| F | 穰-叶滚动摩擦系数 Straw corelesf rolling friction coefficient | 0.25 | 0.42 | ||||
Fig. 7 Determination of simulated stacking angle of crushed corn stalk
序号 No. | A | B | C | D | E | F | G | H | I | J | K | 堆积角 Stacking angle/（°） |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | -1 | 1 | 1 | 1 | -1 | -1 | -1 | 1 | -1 | 34.03 |
| 2 | -1 | 1 | 1 | -1 | 1 | 1 | 1 | -1 | -1 | -1 | 1 | 32.21 |
| 3 | 1 | -1 | 1 | 1 | -1 | 1 | 1 | 1 | -1 | -1 | -1 | 31.76 |
| 4 | -1 | 1 | -1 | 1 | 1 | -1 | 1 | 1 | 1 | -1 | -1 | 25.26 |
| 5 | -1 | -1 | 1 | -1 | 1 | 1 | -1 | 1 | 1 | 1 | -1 | 33.59 |
| 6 | -1 | -1 | -1 | 1 | -1 | 1 | 1 | -1 | 1 | 1 | 1 | 35.07 |
| 7 | 1 | -1 | -1 | -1 | 1 | -1 | 1 | 1 | -1 | 1 | 1 | 34.07 |
| 8 | 1 | 1 | -1 | -1 | -1 | 1 | -1 | 1 | 1 | -1 | 1 | 26.39 |
| 9 | 1 | 1 | 1 | -1 | -1 | -1 | 1 | -1 | 1 | 1 | -1 | 27.17 |
| 10 | -1 | 1 | 1 | 1 | -1 | -1 | -1 | 1 | -1 | 1 | 1 | 32.22 |
| 11 | 1 | -1 | 1 | 1 | 1 | -1 | -1 | -1 | 1 | -1 | 1 | 28.77 |
| 12 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | 27.16 |
Table 5 Plackett-Burman trial design and results
序号 No. | A | B | C | D | E | F | G | H | I | J | K | 堆积角 Stacking angle/（°） |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | -1 | 1 | 1 | 1 | -1 | -1 | -1 | 1 | -1 | 34.03 |
| 2 | -1 | 1 | 1 | -1 | 1 | 1 | 1 | -1 | -1 | -1 | 1 | 32.21 |
| 3 | 1 | -1 | 1 | 1 | -1 | 1 | 1 | 1 | -1 | -1 | -1 | 31.76 |
| 4 | -1 | 1 | -1 | 1 | 1 | -1 | 1 | 1 | 1 | -1 | -1 | 25.26 |
| 5 | -1 | -1 | 1 | -1 | 1 | 1 | -1 | 1 | 1 | 1 | -1 | 33.59 |
| 6 | -1 | -1 | -1 | 1 | -1 | 1 | 1 | -1 | 1 | 1 | 1 | 35.07 |
| 7 | 1 | -1 | -1 | -1 | 1 | -1 | 1 | 1 | -1 | 1 | 1 | 34.07 |
| 8 | 1 | 1 | -1 | -1 | -1 | 1 | -1 | 1 | 1 | -1 | 1 | 26.39 |
| 9 | 1 | 1 | 1 | -1 | -1 | -1 | 1 | -1 | 1 | 1 | -1 | 27.17 |
| 10 | -1 | 1 | 1 | 1 | -1 | -1 | -1 | 1 | -1 | 1 | 1 | 32.22 |
| 11 | 1 | -1 | 1 | 1 | 1 | -1 | -1 | -1 | 1 | -1 | 1 | 28.77 |
| 12 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | 27.16 |
参数 Parameter | 调整后的偏差平方和 Adjusted sum of squared deviations | F值 F value | P值 P value |
|---|---|---|---|
| A | 0.92 | 8.79 | 0.207 1 |
| B | 14.39 | 137.64 | 0.054 1 |
| C | 1.17 | 11.15 | 0.185 2 |
| D | 3.54 | 33.89 | 0.108 3 |
| E | 5.55 | 53.08 | 0.086 8 |
| F | 28.21 | 269.90* | 0.038 7 |
| G | 0.95 | 9.11 | 0.203 7 |
| H | 4.86 | 47.56 | 0.162 7 |
| I | 19.25 | 184.18* | 0.046 8 |
| J | 50.43 | 482.43* | 0.029 0 |
| K | 7.94 | 75.94 | 0.072 7 |
Table 6 Variance analysis of Plackett-Burman test results
参数 Parameter | 调整后的偏差平方和 Adjusted sum of squared deviations | F值 F value | P值 P value |
|---|---|---|---|
| A | 0.92 | 8.79 | 0.207 1 |
| B | 14.39 | 137.64 | 0.054 1 |
| C | 1.17 | 11.15 | 0.185 2 |
| D | 3.54 | 33.89 | 0.108 3 |
| E | 5.55 | 53.08 | 0.086 8 |
| F | 28.21 | 269.90* | 0.038 7 |
| G | 0.95 | 9.11 | 0.203 7 |
| H | 4.86 | 47.56 | 0.162 7 |
| I | 19.25 | 184.18* | 0.046 8 |
| J | 50.43 | 482.43* | 0.029 0 |
| K | 7.94 | 75.94 | 0.072 7 |
| 序号No. | 穰-叶滚动摩擦系数 Straw coreleaf rolling friction coefficient | 皮-叶滚动摩擦系数 Skinleaf rolling friction coefficient | 叶-叶静摩擦系数 Leavesleaf static friction coefficient | 堆积角 Stacking angle/（°） | 相对误差 Relative error |
|---|---|---|---|---|---|
| 1 | 0.25 | 0.29 | 0.31 | 27.65 | 9.05 |
| 2 | 0.29 | 0.33 | 0.35 | 28.07 | 7.66 |
| 3 | 0.33 | 0.37 | 0.38 | 31.16 | 2.50 |
| 4 | 0.38 | 0.41 | 0.42 | 32.57 | 7.14 |
| 5 | 0.42 | 0.45 | 0.45 | 34.50 | 13.49 |
Table 7 Design and results of steepest climbing test
| 序号No. | 穰-叶滚动摩擦系数 Straw coreleaf rolling friction coefficient | 皮-叶滚动摩擦系数 Skinleaf rolling friction coefficient | 叶-叶静摩擦系数 Leavesleaf static friction coefficient | 堆积角 Stacking angle/（°） | 相对误差 Relative error |
|---|---|---|---|---|---|
| 1 | 0.25 | 0.29 | 0.31 | 27.65 | 9.05 |
| 2 | 0.29 | 0.33 | 0.35 | 28.07 | 7.66 |
| 3 | 0.33 | 0.37 | 0.38 | 31.16 | 2.50 |
| 4 | 0.38 | 0.41 | 0.42 | 32.57 | 7.14 |
| 5 | 0.42 | 0.45 | 0.45 | 34.50 | 13.49 |
| 水平Level | F | I | J |
|---|---|---|---|
| -1 | 0.29 | 0.33 | 0.35 |
| 0 | 0.33 | 0.37 | 0.38 |
| 1 | 0.38 | 0.41 | 0.42 |
Table 8 Significant exposure parameter levels
| 水平Level | F | I | J |
|---|---|---|---|
| -1 | 0.29 | 0.33 | 0.35 |
| 0 | 0.33 | 0.37 | 0.38 |
| 1 | 0.38 | 0.41 | 0.42 |
| 序号No. | F | I | J | 堆积角 Stacking angle/（°） |
|---|---|---|---|---|
| 1 | -1 | -1 | 0 | 26.43 |
| 2 | 1 | -1 | 0 | 30.16 |
| 3 | -1 | 1 | 0 | 30.24 |
| 4 | 1 | 1 | 0 | 34.78 |
| 5 | -1 | 0 | -1 | 27.56 |
| 6 | 1 | 0 | -1 | 32.40 |
| 7 | -1 | 0 | 1 | 28.41 |
| 8 | 1 | 0 | 1 | 33.64 |
| 9 | 0 | -1 | -1 | 27.49 |
| 10 | 0 | 1 | -1 | 31.94 |
| 11 | 0 | -1 | 1 | 28.43 |
| 12 | 0 | 1 | 1 | 32.10 |
| 13 | 0 | 0 | 0 | 30.04 |
| 14 | 0 | 0 | 0 | 30.33 |
| 15 | 0 | 0 | 0 | 30.46 |
| 16 | 0 | 0 | 0 | 29.34 |
| 17 | 0 | 0 | 0 | 29.17 |
Table 9 Box-Behnken trial design and results
| 序号No. | F | I | J | 堆积角 Stacking angle/（°） |
|---|---|---|---|---|
| 1 | -1 | -1 | 0 | 26.43 |
| 2 | 1 | -1 | 0 | 30.16 |
| 3 | -1 | 1 | 0 | 30.24 |
| 4 | 1 | 1 | 0 | 34.78 |
| 5 | -1 | 0 | -1 | 27.56 |
| 6 | 1 | 0 | -1 | 32.40 |
| 7 | -1 | 0 | 1 | 28.41 |
| 8 | 1 | 0 | 1 | 33.64 |
| 9 | 0 | -1 | -1 | 27.49 |
| 10 | 0 | 1 | -1 | 31.94 |
| 11 | 0 | -1 | 1 | 28.43 |
| 12 | 0 | 1 | 1 | 32.10 |
| 13 | 0 | 0 | 0 | 30.04 |
| 14 | 0 | 0 | 0 | 30.33 |
| 15 | 0 | 0 | 0 | 30.46 |
| 16 | 0 | 0 | 0 | 29.34 |
| 17 | 0 | 0 | 0 | 29.17 |
方差来源 Source of variation | 平方和 Sum of Squares | 自由度 df | 均方 Mean Square | F值 F value | P值 P value |
|---|---|---|---|---|---|
| 模型Model | 79.150 0 | 9 | 8.790 0 | 32.420 0 | < 0.000 1 |
| F | 42.040 0 | 1 | 42.040 0 | 154.980 0 | < 0.000 1 |
| I | 34.240 0 | 1 | 34.240 0 | 126.210 0 | < 0.000 1 |
| J | 1.270 0 | 1 | 1.270 0 | 4.690 0 | 0.067 1 |
| FI | 0.164 0 | 1 | 0.164 0 | 0.604 6 | 0.462 3 |
| FJ | 0.038 0 | 1 | 0.038 0 | 0.140 2 | 0.719 2 |
| IJ | 0.152 1 | 1 | 0.152 1 | 0.560 7 | 0.478 4 |
| F² | 1.150 0 | 1 | 1.150 0 | 4.250 0 | 0.078 1 |
| I² | 0.000 5 | 1 | 0.000 5 | 0.001 9 | 0.966 6 |
| J² | 0.051 9 | 1 | 0.051 9 | 0.191 2 | 0.675 1 |
| 残差Residual | 1.900 0 | 7 | 0.271 3 | ||
| 失拟项Lack of fit | 0.539 5 | 3 | 0.179 8 | 0.529 1 | 0.685 9 |
| 纯误差Pure error | 1.360 0 | 4 | 0.339 9 | ||
| 总和Cor total | 81.050 0 | 16 |
Table 10 Variation analysis of Box-Behnken design quadratic model
方差来源 Source of variation | 平方和 Sum of Squares | 自由度 df | 均方 Mean Square | F值 F value | P值 P value |
|---|---|---|---|---|---|
| 模型Model | 79.150 0 | 9 | 8.790 0 | 32.420 0 | < 0.000 1 |
| F | 42.040 0 | 1 | 42.040 0 | 154.980 0 | < 0.000 1 |
| I | 34.240 0 | 1 | 34.240 0 | 126.210 0 | < 0.000 1 |
| J | 1.270 0 | 1 | 1.270 0 | 4.690 0 | 0.067 1 |
| FI | 0.164 0 | 1 | 0.164 0 | 0.604 6 | 0.462 3 |
| FJ | 0.038 0 | 1 | 0.038 0 | 0.140 2 | 0.719 2 |
| IJ | 0.152 1 | 1 | 0.152 1 | 0.560 7 | 0.478 4 |
| F² | 1.150 0 | 1 | 1.150 0 | 4.250 0 | 0.078 1 |
| I² | 0.000 5 | 1 | 0.000 5 | 0.001 9 | 0.966 6 |
| J² | 0.051 9 | 1 | 0.051 9 | 0.191 2 | 0.675 1 |
| 残差Residual | 1.900 0 | 7 | 0.271 3 | ||
| 失拟项Lack of fit | 0.539 5 | 3 | 0.179 8 | 0.529 1 | 0.685 9 |
| 纯误差Pure error | 1.360 0 | 4 | 0.339 9 | ||
| 总和Cor total | 81.050 0 | 16 |
Fig. 8 Surface diagram of the influence of straw core - leaves rolling friction coefficient and skin - leaves rolling friction coefficient on stacking angle
Fig. 9 Physical test and simulation comparison of the accumulation angle of crushed corn stalksA： Physical experiment； B： Simulation test
| 参数 Parameter | 数值Value | 参数 Parameter | 数值Value |
|---|---|---|---|
穰-穰静摩擦系数 Straw corestraw core static friction coefficient | 2.705 | 皮-皮碰撞恢复系数 Skin-skin collision restitution coefficient | 0.380 |
穰-穰滚动摩擦系数 Straw corestraw core rolling friction coefficient | 0.350 | 皮-叶静摩擦系数 Skinleaf static friction coefficient | 0.380 |
穰-穰碰撞恢复系数 Straw corestraw core collision restitution coefficient | 0.390 | 皮-叶滚动摩擦系 Skinleaf rolling friction coefficient | 0.377 |
穰-皮静摩擦系数 Straw coreskin static friction coefficient | 0.900 | 皮-叶碰撞恢复系数 Skinleaf collision restitution coefficient | 0.385 |
穰-皮滚动摩擦系数 Straw coreskin rolling friction coefficient | 0.345 | 皮-45钢静摩擦系数 Skin45 steel static friction coefficient | 0.325 |
穰-皮碰撞恢复系数 Straw coreskin collision restitution coefficient | 0.400 | 皮-45钢滚动摩擦系数 Skin45 steel rolling friction coefficient | 0.270 |
穰-叶静摩擦系数 Straw coreleaf static friction coefficient | 0.930 | 皮-45钢碰撞恢复系数 Skin45 steel collision restitution coefficient | 0.425 |
穰-叶滚动摩擦系数 Straw coreleaf rolling friction coefficient | 0.325 | 叶-叶静摩擦系数 Leafleaf static friction coefficient | 0.411 |
穰-叶碰撞恢复系数 Straw coreleaf collision restitution coefficient | 0.395 | 叶-叶滚动摩擦系数 Leafleaf rolling friction coefficient | 0.335 |
穰-45钢静摩擦系数 Straw core45 steel static friction coefficient | 1.030 | 叶-叶碰撞恢复系数 Leafleaf collision restitution coefficient | 0.335 |
穰-45钢滚动摩擦系数 Straw core45 steel rolling friction coefficient | 0.365 | 叶-45钢静摩擦系数 Leaf45 steel static friction coefficient | 0.380 |
穰-45钢碰撞恢复系数 Straw core45 steel collision restitution coefficient | 0.415 | 叶-45钢滚动摩擦系数 Leaf45 steel rolling friction coefficient | 0.215 |
皮-皮静摩擦系数 Skinskin static friction coefficient | 0.665 | 叶-45钢碰撞恢复系数 Leaf45 steel collision restitution coefficient | 0.395 |
皮-皮滚动摩擦系数 Skin- skin rolling friction coefficient | 0.295 |
Table 11 Final parameter determination
| 参数 Parameter | 数值Value | 参数 Parameter | 数值Value |
|---|---|---|---|
穰-穰静摩擦系数 Straw corestraw core static friction coefficient | 2.705 | 皮-皮碰撞恢复系数 Skin-skin collision restitution coefficient | 0.380 |
穰-穰滚动摩擦系数 Straw corestraw core rolling friction coefficient | 0.350 | 皮-叶静摩擦系数 Skinleaf static friction coefficient | 0.380 |
穰-穰碰撞恢复系数 Straw corestraw core collision restitution coefficient | 0.390 | 皮-叶滚动摩擦系 Skinleaf rolling friction coefficient | 0.377 |
穰-皮静摩擦系数 Straw coreskin static friction coefficient | 0.900 | 皮-叶碰撞恢复系数 Skinleaf collision restitution coefficient | 0.385 |
穰-皮滚动摩擦系数 Straw coreskin rolling friction coefficient | 0.345 | 皮-45钢静摩擦系数 Skin45 steel static friction coefficient | 0.325 |
穰-皮碰撞恢复系数 Straw coreskin collision restitution coefficient | 0.400 | 皮-45钢滚动摩擦系数 Skin45 steel rolling friction coefficient | 0.270 |
穰-叶静摩擦系数 Straw coreleaf static friction coefficient | 0.930 | 皮-45钢碰撞恢复系数 Skin45 steel collision restitution coefficient | 0.425 |
穰-叶滚动摩擦系数 Straw coreleaf rolling friction coefficient | 0.325 | 叶-叶静摩擦系数 Leafleaf static friction coefficient | 0.411 |
穰-叶碰撞恢复系数 Straw coreleaf collision restitution coefficient | 0.395 | 叶-叶滚动摩擦系数 Leafleaf rolling friction coefficient | 0.335 |
穰-45钢静摩擦系数 Straw core45 steel static friction coefficient | 1.030 | 叶-叶碰撞恢复系数 Leafleaf collision restitution coefficient | 0.335 |
穰-45钢滚动摩擦系数 Straw core45 steel rolling friction coefficient | 0.365 | 叶-45钢静摩擦系数 Leaf45 steel static friction coefficient | 0.380 |
穰-45钢碰撞恢复系数 Straw core45 steel collision restitution coefficient | 0.415 | 叶-45钢滚动摩擦系数 Leaf45 steel rolling friction coefficient | 0.215 |
皮-皮静摩擦系数 Skinskin static friction coefficient | 0.665 | 叶-45钢碰撞恢复系数 Leaf45 steel collision restitution coefficient | 0.395 |
皮-皮滚动摩擦系数 Skin- skin rolling friction coefficient | 0.295 |
| 1 | 周腰华,周洋,赖晓璐,等.玉米秸秆综合利用技术模式研究[J].玉米科学, 2019,27(6):186-190. |
| ZHOU Y H, ZHOU Y, LAI X L, et al.. Research on the technology model of comprehensive utilization of corn stalk [J]. Corn Sci., 2019, 27(6):186-190. | |
| 2 | 赵福迪,魏思明,黄文明.玉米秸秆机械化利用情况与发展途径分析[J].农机使用与维修, 2019(7):48-48. |
| 3 | 乌兰图雅,青林,王春光.揉碎玉米秸秆螺旋-气力耦合输送装置设计[J].农业工程学报, 2019,35(6):29-38. |
| WULANTUYA, QING L, WANG C G. Design of screw-pneumatic coupling conveying device for crushing corn stalks [J]. Trans. Chin. Soc. Agric. Eng., 2019, 35(6):29-38. | |
| 4 | DHEERAJ M, ABHISHEK S, HARSH P, et al.. A review of granular flow in screw feeders and conveyors [J]. Powder Technol., 2020, 366:369-381. |
| 5 | 扈伟昊,杨发展,赵国栋,等.基于离散元法的立式旋耕刀工作参数分析与优化[J].中国农机化学报, 2022,43(10):25-32, 41. |
| HU W H, YANG F Z, ZHAO G D, et al.. Analysis and optimization of working parameters of vertical rotary blade based on discrete element method [J]. China J. Agric. Mach. Chem., 2022, 43(10):25-32, 41 | |
| 6 | 刘元义,于圣洁,胥备,等.基于离散元的设施农业就地翻土犁的研究与试验[J/OL].吉林大学学报(工学版),2022 [2022-10-09]. . |
| LIU Y Y, YU S J, XU B, et al. Research and test of on-site plow for facility agriculture based on discrete element [J/OL]. J. Jilin Univ. (Eng.), 2022 [2022-10-09]. . | |
| 7 | 李修银,廖敏,杨杰,等.羌活籽粒和珍珠岩的离散元参数标定及排种验证[J].中国农机化学报, 2022,43(8):40-46. |
| LI X Y, LIAO M, YANG J, et al.. Discrete element parameter calibration and seed metering verification of Qianghuo grain and perlite [J]. China J. Agric. Mach. Chem., 2022, 43 (8):40-46. | |
| 8 | 陈晨,马学东,刘飞宇,等.偏心摆振下圆簸箕中谷物分离的离散元模拟研究[J].农机化研究,2023,45(5):13-19. |
| CHEN C, MA X D, LIU F Y, et al.. Discrete element simulation study on grain separation in circular dustpan under eccentric sway [J]. Res. Agric. Mech., 2023, 45(5):13-19. | |
| 9 | 季雨.基于CFD-DEM螺旋输送机内颗粒流动特性数值模拟研究[D].大庆:东北石油大学, 2020. |
| JI Y. Numerical simulation of particle flow characteristics in screw conveyor based on CFD-DEM [D]. Daqing: Northeast Petroleum University, 2020. | |
| 10 | 宁廷州,李偎,缑亚楠.基于EDEM的倾斜螺旋输送机输送能力研究[J].牡丹江师范学院学报(自然科学版),2019(4):38-41. |
| NING T Z, LI C, JIN Y N. Research on conveying capacity of inclined screw conveyor based on EDEM [J]. J. Mudanjiang Norm. Univ. (Nat. Sci.), 2019(4):38-41. | |
| 11 | 张胜伟,张瑞雨,陈天佑,等.绿豆种子离散元仿真参数标定与排种试验[J].农业机械学报, 2022, 53(3):71-79. |
| ZHANG S W, ZHANG R Y, CHEN T Y, et al.. The discrete element simulation parameter calibration and seeding test of mung bean seeds [J]. J. Agric. Mach., 2022, 53(3):71-79. | |
| 12 | 丁文波,朱继平,陈伟,等.基于的青稞接触参数仿真标定[J].中国农机化学报,2021,42(9):114-121. |
| DING W B, ZHU J P, CHEN W, et al.. Simulation calibration of contact parameters of highland barley based on EDEM [J]. Chin. J. Agric. Mach., 2021, 42(9):114-121. | |
| 13 | 赵吉坤,宋武斌,李晶晶.基于的水稻秸秆建模及力学性能分析[J].土壤通报,2020,51(5):1086-1093. |
| ZHAO J K, SONG W B, LI J J. Modeling and mechanical properties analysis of rice straw based on EDEM [J]. Soil Bull., 2020, 51(5):1086-1093. | |
| 14 | 康宏彬,刘铭,王雷,等.基于的马铃薯收获机分离输送装置仿真分析[J].农机化研究,2022,44(5):1-8. |
| KANG H B, LIU M, WANG L, et al.. Simulation analysis of separation and conveying device of potato harvester based on EDEM [J]. Res. Agric. Mech., 2022, 44(5):1-8. | |
| 15 | 刘瑞,李衍军,刘忠军,等.包衣玉米种子离散元参数分析与标定[J].农业机械学报,2021,52(S1):1-8. |
| LIU R, LI Y J, LIU Z J, et al.. Discrete element parameter analysis and calibration of coated corn seeds [J]. J. Agric. Mach., 2021, 52(S1):1-8. | |
| 16 | 马彦华,宋春东,宣传忠,等.苜蓿秸秆压缩仿真离散元模型参数标定[J].农业工程学报,2020,36(11):22-30. |
| MA Y H, SONG C D, XUAN C Z, et al.. Parameter calibration of discrete element model for alfalfa straw compression simulation [J]. Trans. Chin. Soc. Agric. Eng., 2020, 36(11):22-30. | |
| 17 | 张涛,刘飞,赵满全,等.玉米秸秆接触物理参数测定与离散元仿真标定[J].中国农业大学学报,2018,23(4):120-127. |
| ZHANG T, LIU F, ZHAO M Q, et al.. Measurement of contact physical parameters of corn stalks and discrete element simulation calibration [J]. J. China Agric. Univ., 2018, 23(4):120-120. | |
| 18 | 赖庆辉,袁海阔,胡子武,等.三七种苗物料特性研究及离散元法参数标定[J].扬州大学学报(农业与生命科学版), 2018,39(2):74-79. |
| LAI Q H, YUAN H K, HU Z W, et al.. Study on material properties of Panax notoginseng seedlings and parameter calibration by discrete element method [J]. J. Yangzhou Univ. (Agric. Life Sci.), 2018, 39(2):74-79. | |
| 19 | 中华人民共和国国家卫生和计划生育委员会. 食品安全国家标准食品中水分的测定: . [S].北京:中国标准出版社, 2016. |
| 20 | 于克强.转轮式全混合日粮混合机混合机理分析及试验研究[D].吉林:东北农业大学, 2015. |
| YU K Q. Mixing mechanism analysis and experimental research of rotary total mixed ration mixer [D]. Jilin: Northeast Agricultural University, 2015. | |
| 21 | ZHOU L, YU J Q, LIANG L S, et al.. DEM parameter calibration of maize seeds and the effect of rolling friction [J]. Processes, 2021, 9(6):914-914. |
| 22 | 胡广锐,卜令昕,张恩宇,等.苹果两向异性力学特性和跌落试验研究[J].农机化研究, 2021, 43(4):154-160. |
| HU G R, BU L X, ZHANG E Y, et al.. Study on anisotropic mechanical properties and drop test of apples [J]. Res. Agric. Mech., 2021, 43(4):154-160. | |
| 23 | WANG X W, MA H Z, LI B, et al.. Review on the research of contact parameters calibration of particle system [J]. J. Mech. Sci. Technol., 2022, 36:1-1. |
| 24 | 贾富国,韩燕龙,刘扬,等.稻谷颗粒物料堆积角模拟预测方法[J].农业工程学报, 2014, 30(11):254-260. |
| JIA F G, HAN Y L, LIU Y, et al.. Simulation and prediction method of accumulation angle of rice granular materials [J]. Trans. Chin. Soc. Agric. Eng., 2014, 30(11):254-260. | |
| 25 | 张锋伟,宋学锋,张雪坤 等.玉米秸秆揉丝破碎过程力学特性仿真与试验[J].农业工程学报,2019,35(9):58-65. |
| ZHANG F W, SONG X F, ZHANG X K, et al. Simulation and test of mechanical properties in the process of corn straw kneading and crushing [J]. Trans. Chin. Soc. Agric. Eng., 2019, 35(9):58-65 |
| [1] | Haidong ZHANG, Zhixian TANG, Liyun ZHANG, Qi YU, Chaojun SONG. Optimization of Discrete Elemental Simulation Parameters for Forest Panax pseudoginseng Plantation Red Soil Based on GA-BP-GA [J]. Journal of Agricultural Science and Technology, 2025, 27(9): 120-130. |
| [2] | Xiaobo XI, Jieyuan DING, Wendi ZHANG, Yangjie SHI, Yifu JIN, Ruihong ZHANG. Design and Experiment of Orchard Obstacle Avoidance Weeding Cultivator [J]. Journal of Agricultural Science and Technology, 2025, 27(7): 101-110. |
| [3] | Jing XU, Han LI, Pinglu CHEN, Jiangni LUO, Chenglu TANG, Muhua LIU. Calibration and Validation of Discrete Element Model for Camelliaoleifera Seed Meal [J]. Journal of Agricultural Science and Technology, 2025, 27(3): 112-121. |
| [4] | Changlong FENG, Chunguang HUANG, Chenyang NING, Shuping LI, Kejin CHEN. Optimization of Performance and Characteristics of Spiral Drill Bit Excavation Mechanism for Planting Machine [J]. Journal of Agricultural Science and Technology, 2025, 27(2): 89-98. |
| [5] | Xiangzhou TIAN, Fuqiang HE, Fajiang CHEN, Luxin ZHAN. Calibration of Discrete Elemental Parameters of Wood Powder with Different Moisture Content Based on Angle of Repose [J]. Journal of Agricultural Science and Technology, 2025, 27(1): 118-128. |
| [6] | Guoqiang DUN, Lei WANG, Xinxin JI, Xinbo JIANG, Yu ZHAO, Na GUO. Calibration and Verification of Discrete Element Parameters of Jinxiang Purple Garlic Seeds [J]. Journal of Agricultural Science and Technology, 2024, 26(8): 131-139. |
| [7] | Guoqiang DUN, Xingpeng WU, Xinxin JI, Fuli ZHANG, Wenyi JI, Yongzhen YANG. Simulation and Optimization of Soybean Plot Metering Device with Double Swing Plate [J]. Journal of Agricultural Science and Technology, 2024, 26(6): 82-90. |
| [8] | Ming LI, Shuai DONG, Yongqiang PANG, Jiehua YAN, Wangzhong YE. Design Improvement and Test of Aeolian Sand Mixing Cutter [J]. Journal of Agricultural Science and Technology, 2024, 26(4): 87-96. |
| [9] | Yuanhao HUANG, Lazhen QUAN, Guangfa HU, Wei QUAN, Fanggang SHI. Calibration of Discrete Element Contact Parameters for Various Materials and Soils with Different Moisture Content [J]. Journal of Agricultural Science and Technology, 2024, 26(3): 98-109. |
| [10] | Lin CHEN, Nanhui YU, Lizong WANG, Jijun FAN, Gang LEI, Xiaopeng LIU, Long ZHOU, Jin ZHOU. Measurement of Contact Parameters and Discrete Element Simulation Calibration of Rice Bran and Broken Rice [J]. Journal of Agricultural Science and Technology, 2024, 26(2): 127-136. |
| [11] | Dafang YANG, Feixiang LI, Yuefeng GE, Yichen LI. Study on Fertilizer Discharge Performance of External Groove Wheel Fertilizer Applicator Based on Discrete Element Method [J]. Journal of Agricultural Science and Technology, 2024, 26(12): 88-97. |
| [12] | Miao YU, Haibin ZHOU, Jingtao DING, Hongsheng CHENG, Yujun SHEN, Shengyuan FAN, Xi ZHANG, Jian WANG, Pengxiang XU, Qiongyi CHENG. Calibration of Interparticle Contact Parameters of Kitchen Waste Composition Based on EDEM [J]. Journal of Agricultural Science and Technology, 2023, 25(12): 111-120. |
| [13] | Zitao MA, Zhihao ZHAO, Wei QUAN, Fanggang SHI, Chen GAO, Mingliang WU. Calibration of Discrete Element Parameter of Rice Stubble Straw Based on EDEM [J]. Journal of Agricultural Science and Technology, 2023, 25(11): 103-113. |
| [14] | Fake SHAN, Shuo KANG, Jianxi ZHU, Yongwei WANG, Jun WANG. Study on Tillage Fertilizer Mixing Effect Under Vertical Smashing Rotary Tillage and Rotary Tillage Based on EDEM [J]. Journal of Agricultural Science and Technology, 2023, 25(11): 90-102. |
| [15] | Ting ZHOU, Songlin SUN, Haiying ZHU, Caiwang PENG. Effect of Moisture Content on Bond Flows of Black Soldier Fly Larvae Biotransformation Pig Manure Organic Fertilizer [J]. Journal of Agricultural Science and Technology, 2023, 25(10): 126-136. |
| Viewed | ||||||
|
Full text |
|
|||||
|
Abstract |
|
|||||
京公网安备11010802021197号 