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Drainage basin hydrological simulation method based on 3D print technology

A technology of 3D printing and simulation method, applied in the field of watershed hydrology simulation based on 3D printing technology, can solve the problem of insufficient simulation accuracy, and achieve the effect of improving the accuracy

Active Publication Date: 2013-12-25
WUHAN UNIV
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Problems solved by technology

[0004] Therefore, there are problems in the existing watershed hydrological simulation methods: (1) The watershed hydrological model based on mathematical equations adopts abstract generalization and mathematical description for practical problems, and the simulation accuracy is not enough; (2) The parameters of the watershed hydrological model need to be Obtained by inversion

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  • Drainage basin hydrological simulation method based on 3D print technology

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Embodiment Construction

[0029] According to the terrain data of DEM (Digital Elevation Model), the present invention uses a 3D printer to obtain a three-dimensional topographic solid model of the watershed to be simulated, and then realizes the hydrological simulation of the watershed to be simulated by means of artificial rainfall.

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] 1. Use a 3D printer to make a 3D terrain solid model of the watershed to be simulated.

[0032] Based on the DEM terrain data of the watershed to be simulated, and according to the given length scale, width scale and height scale, the 3D terrain solid model of the watershed to be simulated is produced by using a 3D printer.

[0033] The length scale, width scale and height scale involved in this step are as follows:

[0034] watershed length scale L R Indicates the actual length of the watershed to be simulated, L m Indicates...

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Abstract

The invention discloses a drainage basin hydrological simulation method based on a 3D print technology. According to DEM terrain information, a three dimensional terrain solid model of a drainage basin to be simulated is obtained by the adoption of a 3D printer, and then hydrological simulation of the drainage basin to be simulated is achieved through the mode of simulated rainfall. The drainage basin hydrological simulation method can be widely applied to the hydrological simulation and the forecast of the drainage basin, and can also be used for collecting drainage basin hydrological data as a data foundation for hydrological model researches. The drainage basin hydrological simulation method carries out the hydrological simulation and the forecast on the basis of the three dimensional terrain solid model of the drainage basin to be simulated and can improve the accuracy of the hydrological simulation and the forecast of the drainage basin without model parameter calibration.

Description

technical field [0001] The invention relates to the field of watershed hydrological models, in particular to a watershed hydrological simulation method based on 3D printing technology. Background technique [0002] At present, the watershed hydrological simulation is based on the watershed hydrological model. The watershed hydrological model uses the hydrological physical mechanism to analyze the internal relationship between precipitation and runoff in the watershed, realizes the simulation and forecast of precipitation and runoff, and is widely used in the fields of water resources management evaluation, flood control and disaster reduction. [0003] Most of the existing watershed hydrological models are modeled by mathematical methods. The main steps are: ① According to the characteristics of the watershed, such as the watershed belongs to a humid area or arid area, and based on the available basic data, such as DEM data, soil vegetation data, etc., select or construct A...

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Application Information

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IPC IPC(8): G06T17/05
CPCG06F30/20
Inventor 刘攀张洪刚邓超伍朝晖
Owner WUHAN UNIV
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