A typhoon modeling method and related device based on non-uniform underlying surface

A modeling method, non-uniform technology, applied in the direction of instrumentation, design optimization/simulation, electrical digital data processing, etc., can solve the problems of inability to accurately reflect the typhoon wind field structure, low model applicability and accuracy, and achieve high accuracy high effect

Active Publication Date: 2022-01-21
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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Problems solved by technology

[0004] This application provides a typhoon modeling method and related devices based on non-uniform underlying surface, which is used to solve the problem that the existing typhoon wind field model does not carry out model design for non-uniform underlying surface, and cannot accurately reflect the typhoon wind field structure, resulting in Technical issues with low model applicability and accuracy

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  • A typhoon modeling method and related device based on non-uniform underlying surface
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  • A typhoon modeling method and related device based on non-uniform underlying surface

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Embodiment Construction

[0051]In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0052] The atmospheric boundary layer typhoon wind field model is a three-dimensional parametric model. Unlike WRF, this model does not consider thermodynamic effects, but simplifies the dynamic process, and can use fewer typhoon parameters to reproduce the typhoon wind field quickly. Therefore, the embodiment of the present application performs improved modeling on...

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Abstract

The present application discloses a typhoon modeling method based on a non-uniform underlying surface and related devices. The method includes: calculating the total rough surface length of the non-uniform underlying surface, and the total rough surface length includes the first rough surface length based on terrain and The second surface roughness length based on the surface coverage; calculate the frictional resistance coefficient in the case of non-uniform underlying surface according to the total surface roughness length; build a preset typhoon wind field model according to the frictional resistance coefficient, and the preset typhoon wind field model includes a preset boundary Conditions, the preset boundary conditions are configured according to the friction coefficient. The application can solve the technical problem that the existing typhoon wind field model is not designed for the non-uniform underlying surface and cannot accurately reflect the structure of the typhoon wind field, resulting in low applicability and accuracy of the model.

Description

technical field [0001] The present application relates to the field of meteorological monitoring, in particular to a typhoon modeling method and related devices based on non-uniform underlying surfaces. Background technique [0002] A typhoon is a mesoscale weather phenomenon with strong eddies occurring over tropical oceans. The central area of ​​a mature typhoon is approximately axisymmetric, surrounded by strong winds and a low wind speed area in the center. Typhoons can affect up to hundreds of kilometers. During their movement and development, they are accompanied by strong winds, waves and heavy rainfall, which can cause major losses to major projects, infrastructure, power transmission lines and agriculture in coastal areas. [0003] Since most of the ground meteorological observation stations are established on land, and the stations are sparsely distributed, the measured typhoon data is relatively limited, and it is difficult to reflect the whole picture of the typ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06F119/14
CPCG06F30/20G06F2119/14
Inventor 聂铭罗啸宇刘小璐谢文平黄正肖凯
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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