Design method of rainfall process in regional rainfall simulation system based on hydrodynamic similarity
A simulation system and process design technology, applied in design optimization/simulation, special data processing applications, etc., can solve problems such as difficult to simulate artificial rainfall process in field research areas
Active Publication Date: 2020-04-14
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Due to the inconsistency of concerns between the two, there are not many methods for scientifically setting the artificial rainfall process in the area, which makes it difficult for the existing indoor experiments to simulate the artificial rainfall process in the field research area
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[0059] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.
[0060] refer to figure 1 , figure 1 Shows a flow chart of the rainfall process design method for the regional rainfall simulation system based on hydrodynamic similarity; as figure 1 As shown, the method 100 includes step 101 to step 111.
[0061] In step 101, the vector information of the research watershed is obtained, and the model watershed obtained by reducing it according to the set ratio is imported into the indoor...
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The invention discloses an area precipitation simulation system precipitation process design method based on hydrodynamic-similitude. The method comprises the following steps: acquiring vector information of a studying drainage area, and importing a model drainage area obtained by specially scaling the vector information into the indoor precipitation area; dividing the indoor precipitation area into a plurality of blocks according to a space sub-division structure of the area precipitation artificial simulation system, and marking the block located by the model drainage area as the drainage area sub-block; computing the daily precipitation of the drainage area sub-block by adopting the daily precipitation measured by a precipitation station in the model drainage area and the weight of theprecipitation station and the drainage area sub-block; computing the hourly precipitation of the model drainage area; computing the outdoor net precipitation of the model drainage area, and computingthe outdoor instant unit line of the model drainage area according to the outdoor net precipitation of the model drainage area and the indoor outlet section flow; constructing the time frame unit lineaccording to the instant unit line; computing the indoor outlet section flow of the model drainage area; and computing the indoor net precipitation of the model drainage area according to time frameunit line.
Description
technical field [0001] The invention relates to the technical field of water conservancy engineering, in particular to a rainfall process design method for a regional rainfall simulation system based on hydrodynamic similarity. Background technique [0002] The regional hydrological process test is one of the main development directions of the current hydrological test research. To carry out the indoor regional hydrological process test, the artificial rainfall process of the indoor regional rainfall artificial simulation system must be scientifically set according to the experimental research objectives. The current artificial rainfall experiments are mainly point-scale process experiments, and the setting of the rainfall process mainly uses the point-scale rainfall observation data, and the typical rainfall intensity and rainfall duration are selected as the design basis of the artificial rainfall process. These experiments generally emphasize the uniformity index in the r...
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IPC IPC(8): G06F30/20
CPCG06F30/20
Inventor 龚家国杨苗王友胜冶运涛翟正丽彭玕王英
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES