A fast point-finding method, storage medium and terminal for partition encapsulation

A point-finding and fast technology, applied in instruments, design optimization/simulation, calculation, etc., can solve the problem of low point-finding calculation efficiency, and achieve the effect of being beneficial to popularization, operation, and simple point-finding process.
CN113515903BActive Publication Date: 2022-03-08CALCULATION AERODYNAMICS INST CHINA AERODYNAMICS RES & DEV CENT
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
CALCULATION AERODYNAMICS INST CHINA AERODYNAMICS RES & DEV CENT
Publication Date
2022-03-08

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Abstract

The invention discloses a fast point-finding method, a storage medium and a terminal for partition encapsulation, and belongs to the field of computational fluid dynamics and grid technology. Divide into multiple subspaces; obtain the attribute information of grid points in each subspace in each bounding box and package and store them; determine the subspace of the bounding box corresponding to a given grid point; calculate all The distance between grid points, by comparing the size of the distance to determine the nearest grid point to a given grid point. After the present invention obtains the grid point attribute information in each subspace in each bounding box and encapsulates and stores it, it only needs to calculate the distance between a given grid point and all grid points in the subspace to which it belongs, and then determine the distance by comparing the distance Given the nearest grid point of a grid point, the calculation amount is small, which can greatly save the calculation time and improve the calculation efficiency.
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Description

technical field

[0001] The present invention relates to the field of computational fluid dynamics and grid technology, specifically, in several sets of structured grid systems, for a given grid point, quickly find the nearest grid point in other grid systems, especially relates to a A fast point-finding method, storage medium and terminal for partition encapsulation. Background technique

[0002] Point finding technology widely exists in grid technology and computer graphics, and has a wide range of application requirements in computational fluid dynamics and computer science. For example, in computational fluid dynamics, when the relative motion between multiple objects is involved, moving mesh technology needs to be applied. This process requires continuous point-seeking operations to judge the relative positional relationship between objects. The amount of calculation for finding a point is extremely large, and in computational fluid dynamics, the amount of calculation c...

Claims

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