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Basin water quality real-time simulation method based on general calculation

A general-purpose computing and real-time simulation technology, applied in CAD numerical modeling, design optimization/simulation, etc., to achieve the effect of broad application prospects

Pending Publication Date: 2020-02-25
CHENGDU UNIV OF INFORMATION TECH
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Problems solved by technology

However, the spatial distribution and temporal changes of water quality in the entire river cannot be obtained through simulation.

Method used

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  • Basin water quality real-time simulation method based on general calculation
  • Basin water quality real-time simulation method based on general calculation
  • Basin water quality real-time simulation method based on general calculation

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0121] 1 Watershed grid division under the general computing framework

[0122] 1.1 Watershed grid division in grid mode

[0123] The two-dimensional water quality model spatially divides the water body area into a large number of seamlessly connected micro-volume units (referred to as "micro-units"), and realizes the water quality simulation of the watershed through the simulation calculation of micro-unit pollutants. Array operation is the basic method of general calculation. In order to simplify the data input of general calculation, the watershed is divided according to the grid pattern. In the grid mode, the watershed is divided into rectangular grids of equal size according to a certain resolution, and each unit in the grid is called a pixel. Treat raster cells as volumetric cells in a 2D water quality model.

[0124] The rectangular grid is divided by the bounding rectangle of the watershed, and the number of grids in each row and column is equal. Although this divis...

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Abstract

The invention discloses a basin water quality real-time simulation method based on general calculation. The basin water quality real-time simulation method comprises the following steps: dividing basin grids under a general calculation framework; and performing parallelization design of a basin water quality model, wherein the step S1 comprises sequentially executing contents listed in 1.1, 1.2 and 1.3; 1.1, dividing basin grids in a grid mode; 1.2, defining a simulation grid; 1.3, constructing a grid neighborhood topology, and the step S2 comprises sequentially executing contents listed in 2.1, 2.2, 2.3, 2.4 and 2.5; 2.1, universally calculating basic requirements on a water quality model; 2.2, simulating attributes of the grids; 2.3, designing a hydrodynamic parallel algorithm of the simulation grid; 2.4, designing a water quality simulation parallel algorithm of a simulation grid. According to the simulation method, the water quality can be simulated in real time, and the simulationprecision also reaches an ideal effect.

Description

technical field [0001] The invention relates to water quality simulation, and has broad application prospects in areas such as regional disaster prevention and mitigation, water pollution control, water environment health assessment, and river basin water resource planning. Background technique [0002] By describing the movement, migration and transformation of environmental pollutants in water, water quality models can be used for water quality simulation, water ecological risk assessment, water quality prediction and forecasting, and are powerful tools for water pollution control, water environment health assessment and basin water resource planning. In recent decades, many scholars at home and abroad have carried out a lot of research work on water quality simulation. Since the two-dimensional model regards the diffusion of pollutants along the horizontal direction as the research target, it is suitable for the water quality simulation of large rivers and has become a ke...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06F111/10
CPCY02A20/152
Inventor 陈军唐古拉武国正
Owner CHENGDU UNIV OF INFORMATION TECH
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