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Storm surge calculation method based on artificial intelligence and numerical model

A technology of numerical model and calculation method, which is applied in the field of storm surge calculation and can solve the problem that the simulation effect is not achieved.

Pending Publication Date: 2019-12-03
OCEAN UNIV OF CHINA
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Problems solved by technology

However, complex sea conditions and weather have caused people to reach a certain bottleneck period for storm surge simulation based on numerical methods, and the simulation results have not reached the ideal effect for every sea area and every sea condition

Method used

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  • Storm surge calculation method based on artificial intelligence and numerical model
  • Storm surge calculation method based on artificial intelligence and numerical model
  • Storm surge calculation method based on artificial intelligence and numerical model

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Embodiment Construction

[0034] The present invention will be described in detail below in combination with specific embodiments.

[0035] One, such as figure 1 Shown method flow process of the present invention, set up governing equation

[0036] Applying hydrostatic pressure and Bousinessq approximation, and assuming that the radius of the earth is much larger than the thickness of seawater, the expressions of the continuity equation and momentum equation in the spherical coordinate system are:

[0037]

[0038]

[0039]

[0040] In the formula, the average radius of the earth R=6.378×106m, λ and φ are longitude and latitude; vdz is the velocity component of the vertical integration, the total water depth H≡ζ+h, where h is the distance from the bottom to the mean sea level, ζ is the distance from the free sea level to the mean sea level; t is time, Coriolis force parameter f=2Ωsinφ, Ω=7.292×10-5rads-1; Ps is the atmospheric pressure on the sea surface, g is the acceleration of gravity, ...

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Abstract

The invention discloses a storm surge calculation method based on artificial intelligence and a numerical model. The storm surge calculation method comprises continuous equation and momentum calculation under a spherical coordinate system and general fluctuation continuity calculation under the spherical coordinate system. The beneficial effects of the invention are that the method can achieve theautomatic selection of the storm surge model according to the ocean conditions, and checks the related characteristic parameters of the storm surge and the calculation parameters of the finite element method. On the basis, storm surge simulation is carried out, the effect that the storm surge model can adapt to all regions relatively is achieved, and sea area tide level changes of complex sea conditions are simulated more accurately.

Description

technical field [0001] The invention belongs to the field of ocean technology and relates to a storm surge calculation method based on artificial intelligence and numerical models. Background technique [0002] Due to the influence of ocean conditions and water depth and terrain, the applicability of existing storm surge models to each region is very different, and the wave simulation effects in different sea areas are also very different. The effect of storm surge simulation in complex sea areas is not good. . In recent years, due to the impact of climate change, the increase in extreme weather conditions has increased the frequency of typhoons, extreme waves and other elements. The research and calculation of typhoons, waves and storm surges has become one of the most important topics in the field of ocean engineering. my country's coastal coastline is 18,000 kilometers long, especially the southeast coastal areas are often hit by typhoons and waves, which pose a great th...

Claims

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Application Information

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IPC IPC(8): G06F17/50G06N3/12
CPCG06N3/126Y02A90/10Y02T90/00
Inventor 王智峰巩艺杰董胜陶山山张日
Owner OCEAN UNIV OF CHINA
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