Full
Outline
The simulation method of drainage hole unit for finite element calculation of seepage field was summarized. On this basis, the direct simulation method of drainage unit for seepage well of tailings pond was proposed. This method establishes a solid mesh model containing optimization parameters of seepage wells all at once at the initial stage of calculation. Afterwards, the optimized elements of seepage wells were grouped in advance by setting different internal boundary conditions. During the finite element solution of the seepage field, the condensation of permeability conduction matrix only needs to be performed once. In the calculation process, the node information of each group was processed according to the first kind of known head boundary conditions. The whole process is easy to program and features fast solving speed. Compared with commonly used engineering methods such as the implicit composite element method and the improved drainage substructure method, the proposed method significantly improves the efficiency of modeling and solution through optimized parameter settings. Meanwhile, it greatly enhances computational accuracy by finely simulating the size effect of seepage wells. Finally, the calculation accuracy of the method is verified to meet the engineering requirements through a fully penetrating well example and a specific engineering case.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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