Urban building windward side density calculation method and system based on grid parallelism

A windward surface and grid technology, which is applied to the calculation method and system field of the windward surface density of urban buildings, can solve the problems of low operating efficiency and difficult to meet the time-consuming calculation

Active Publication Date: 2019-08-23
LIAONING NORMAL UNIVERSITY
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The above two methods require a large number of iterative calculations during the operation process, resulting in low operating efficiency. Faci

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  • Urban building windward side density calculation method and system based on grid parallelism
  • Urban building windward side density calculation method and system based on grid parallelism
  • Urban building windward side density calculation method and system based on grid parallelism

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[0053] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0054] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. It can be understood that the terms "first", "second" and the like used in the present invention can be used to describe various elements herein, but these elements are not limited by these terms. These terms are only used to disting...

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Abstract

The embodiment of the invention discloses an urban building windward side density calculation method and system based on grid parallelism. The method comprises: acquiring a three-dimensional data setA and a wind direction angle theta of a to-be-detected building area; traversing each building in the data set A to obtain a direction coordinate extreme value corresponding to the data set A; determining a coordinate origin, a termination point and the side length of the grid unit, dividing a task space grid N, and endowing the task space grid N with an independent grid unit number NID; segmenting the data set A based on the task space grid N to obtain a data set B; grouping the buildings in the data set B and starting sub-tasks to calculate the windward side density of the buildings in eachgroup; and integrating the sub-task calculation results to form and output a final output data set NC. The problems that a traditional calculation method is small in data throughput and low in calculation efficiency are solved, and the method is suitable for assisting design planning of large cities, extra-large cities and urban group air ducts.

Description

technical field [0001] The invention relates to the technical field of urban planning, in particular to a method and system for calculating the density of the windward surface of urban buildings based on grid parallelism. Background technique [0002] There is a very complex interaction between urban thermal climate and buildings, and the unique underlying surface of urban buildings is an important reason for the formation of urban climate. In-depth exploration of the interaction between buildings and urban thermal climate is of great significance for improving the problems exposed in the current urban and built environments and building sustainable cities and built environments. There are two commonly used research methods. One is to use the fluid dynamics simulation method to simulate the air in the city by using aerodynamic equations according to the structures, shapes, layouts, materials, and characteristics of obstacles, streets, buildings or building groups. Flow fiel...

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/13G06F30/20Y02A90/10
Inventor 杨俊李雪铭解鹏
Owner LIAONING NORMAL UNIVERSITY
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