Quick point searching method for partition packaging, storage medium and terminal

A point-finding and fast technology, applied in special data processing applications, instruments, electrical and digital data processing, etc., can solve the problem of low point-finding calculation efficiency, and achieve the effect of promoting use, improving calculation efficiency, and facilitating operation.

Active Publication Date: 2021-10-19
CALCULATION AERODYNAMICS INST CHINA AERODYNAMICS RES & DEV CENT
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the problem of low efficiency of point-seeking calculations in the existing field of fluid mechanics calculations, and provide a fast point-finding method, storage medium and terminal packaged in partitions

Method used

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  • Quick point searching method for partition packaging, storage medium and terminal
  • Quick point searching method for partition packaging, storage medium and terminal
  • Quick point searching method for partition packaging, storage medium and terminal

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Embodiment Construction

[0043] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0044]In the description of the present invention, it should be noted that the terms belonging to "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated direction or positional relationship is based on the direction or positional relationship described in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific o...

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Abstract

The invention discloses a quick point searching method for partition packaging, a storage medium and a terminal, and belongs to the technical field of computational fluid mechanics and grids, and the method comprises the steps: building a bounding box of each grid block in a structured grid system, and dividing the bounding box into a plurality of subspaces; obtaining attribute information of grid points in each subspace in each bounding box, and packaging and storing the attribute information; determining a subspace of a bounding box corresponding to a given grid point; and calculating the distances between the given grid point and all grid points in the subspace to which the given grid point belongs, and determining the nearest grid point of the given grid point by comparing the distances. According to the method, after the attribute information of the grid points in each subspace in each bounding box is obtained, packaged and stored, only the distances between the given grid point and all the grid points in the subspace to which the given grid point belongs need to be calculated, the nearest grid point of the given grid point is determined by comparing the distances, the calculation amount is small, the calculation time cost can be greatly saved, and the calculation efficiency is improved.

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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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/28G06F30/23G06F113/08G06F119/14
CPCG06F30/28G06F30/23G06F2113/08G06F2119/14
Inventor 陈琦陈坚强华如豪毛枚良王新光万钊孙伟张爱婧郭勇颜白进维
Owner CALCULATION AERODYNAMICS INST CHINA AERODYNAMICS RES & DEV CENT
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