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Outline
The flow field evolvements inside the explosion vessel volume and the dynamic response of the vessel shell are basic data in designing of the vessel shape, structure and material selection. But for some reason of the vessel large scale, multi-component, high-density ratio and complex structure, and thus the numerical simulation of explosion flow field inside the vessel is very difficult. In this study, we ultilized the level set method differentiate the large deformation of the flow field from the small deformation of the vessel, and the Euler MVPPM method and Lagrange were respectively used in numerical calculations. The ghost fluid technology was employed to deal with the fluid and solid at the interface of the physical information. We successfully applied the present method to the ellipsoidal head and the similar spherical explosion vessel simulations.
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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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