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A method and device for assessing the impact of typhoon disasters

A typhoon and disaster-causing technology, applied in the field of wind engineering, can solve problems such as poor accuracy, neglect of atmospheric physical processes, differences, etc., and achieve the effect of ensuring the accuracy of assessment

Active Publication Date: 2022-02-25
中国气象局公共气象服务中心 +1
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Problems solved by technology

However, these models do not take into account complex atmospheric physical processes and the influence of the underlying surface, and the simulated typhoon intensity and near-surface wind field are significantly different from the actual situation, and the accuracy is poor

Method used

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  • A method and device for assessing the impact of typhoon disasters
  • A method and device for assessing the impact of typhoon disasters
  • A method and device for assessing the impact of typhoon disasters

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Embodiment Construction

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0046] Such as figure 1 As shown, the method for assessing the impact of typhoon disasters provided by the present invention includes:

[0047] Step 101, obtaining the grid point wind field parameters output by simulating the typhoon wind field using the mesoscale numerical model.

[0048] The mesoscale numerical model, also known as the mesoscale model, is increasingly perfect in describing the physical process of atmospheric motion, the influence of the und...

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Abstract

The invention provides a method and device for evaluating the impact of typhoon disasters. Including: obtaining the grid point wind field parameters output by using the mesoscale numerical model to simulate the output of the typhoon wind field; for each grid point that meets the preset requirements in the same horizontal plane: calculating the destructive force parameter of the grid point, the destructive force parameter includes Any one or more of the wind speed space shear variable, wind speed time shear variable, wind direction angle space shear variable and wind direction angle time shear variable; based on the obtained wind speed space shear variable, wind speed time shear variable, wind direction angle space shear variable Any one or more of the variable and wind direction angle time shear variable, combined with the wind speed value, is used to assess the impact of typhoon disasters. The invention can comprehensively and accurately reflect the characteristic difference of destructive force parameters among various parts of the engineering affected by typhoon, and ensures the accuracy of assessment of typhoon disaster impact.

Description

technical field [0001] The invention relates to the technical field of wind engineering, in particular to a method and device for evaluating the impact of typhoon disasters. Background technique [0002] Disasters caused by strong winds are the focus of attention in various sectors of the economy and society, and are the focus of research in various fields of disaster prevention and mitigation. For a long time, wind resistance codes with national / local professional characteristics have been formulated in various professional fields such as building structure, transportation, energy and power, and urban planning at home and abroad. [0003] In the current wind resistance design at home and abroad, the maximum value of the wind resistance parameters in the engineering area is often selected to evaluate the impact of strong winds by “points instead of areas”. However, the scope of modern large-scale projects, such as long-span and super-long bridges, large-scale wind farms, et...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/0639G06Q50/265Y02A90/10
Inventor 宋丽莉王丙兰陈雯超周荣卫
Owner 中国气象局公共气象服务中心
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