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Submarine ditching project prediction method and device and server

A prediction method and engineering technology, applied in the direction of instruments, image data processing, electrical digital data processing, etc., can solve problems such as difficult to describe the engineering scale, inaccurate prediction results, and CFD technology is difficult to play its role, so as to improve the convenience and The effect of accuracy

Pending Publication Date: 2019-09-10
南京麦慎数字科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the ocean model generally has a grid resolution above the kilometer level, and the engineering scale usually requires a meter-level or even sub-meter-level resolution, it is difficult to describe the fineness of the engineering scale in the modeling and prediction of the ocean model, and the prediction accuracy is poor; due to the There are differences between flow and industrial fluid flow, CFD technology is also difficult to play a role in marine engineering, and the prediction results are not accurate
[0004] In view of the poor convenience and accuracy of the seabed trenching engineering prediction method in the above-mentioned prior art, no effective solution has been proposed so far

Method used

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  • Submarine ditching project prediction method and device and server
  • Submarine ditching project prediction method and device and server
  • Submarine ditching project prediction method and device and server

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Embodiment 1

[0031] Embodiment 1 of the present invention provides a prediction method for submarine trenching engineering, see figure 1A flow chart of a seabed trenching engineering prediction method shown, including the following steps:

[0032] Step S102, acquiring preset engineering parameters and meteorological parameters corresponding to the engineering date.

[0033] The engineering parameters include the parameters of the excavated ditch and the sediment parameters of the excavated site. Specifically, it is necessary to obtain the width (in m) and depth (in m) of the ditch and the latitude and longitude of the starting and ending points of the axis; the speed of excavating sediment ( The unit is m 3 / h); the location of the discharge point, the width of the bottom edge of the stacked trapezoid, the inner slope and the outer slope; the distribution table of the sediment particle size spectrum, which includes at least the sediment particle size or type (coarse sand, silt, etc.) san...

Embodiment 2

[0086] Embodiment 2 of the present invention provides a prediction device for seabed trenching engineering, see Figure 5 The structural schematic diagram of a kind of seabed trenching project prediction device shown, comprises parameter module 51, grid module 52, coupling module 53, output module 54 and analysis module 55, the function of above-mentioned each module is as follows:

[0087] The parameter module 51 is used to obtain the meteorological parameters corresponding to the preset engineering parameters and project date; the meteorological parameters include wind speed, wind direction and air pressure;

[0088] A grid module 52, configured to construct an unstructured grid according to engineering parameters;

[0089] The coupling module 53 is used for coupling the pre-established three-dimensional hydrodynamic model and the pre-established sediment model to obtain a prediction model;

[0090] The output module 54 is used to input engineering parameters, meteorologica...

Embodiment 3

[0095] This embodiment also provides a server corresponding to the above method embodiment, Image 6 Shown is a schematic structural diagram of a server, the server includes a memory 100 and a processor 101, the memory 100 stores a computer program that can run on the processor 101, and the processor 101 implements seabed trenching when executing the computer program engineering forecasting methods.

[0096] further, Image 6 The shown server further includes a bus 1002 and a communication interface 103 , and the processor 101 , the communication interface 103 and the memory 100 are connected through the bus 1002 .

[0097] Wherein, the memory 100 may include a high-speed random access memory (RAM, Random Access Memory), and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory. The communication connection between the system network element and at least one other network element is realized through at least one communication interfac...

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Abstract

The invention provides a submarine ditching project prediction method and device and a server, and relates to the technical field of earthwork engineering, and the method comprises the steps: obtaining preset engineering parameters and meteorological parameters corresponding to an engineering date; wherein the meteorological parameters comprise wind speed, wind direction and air pressure; constructing an unstructured grid according to the engineering parameters; performing coupling processing on a pre-established three-dimensional hydrodynamic model and a pre-established sediment model to obtain a prediction model; inputting the engineering parameters, the meteorological parameters and the unstructured grid into a prediction model, and outputting the gridded three-dimensional ocean currentspeed, the three-dimensional mixed intensity, the three-dimensional sediment concentration and the distribution field quantity of the sea surface height; and according to the distribution field quantity, analyzing to obtain dynamic data of sediment leaving the ditch, accumulating to a discharge area and backfilling to the ditch which is being excavated. According to the embodiment of the invention, the convenience and accuracy of submarine ditching project prediction can be improved.

Description

technical field [0001] The invention relates to the technical field of earthworks, in particular to a method, device and server for predicting seabed trenching engineering. Background technique [0002] The construction method of seabed earthwork, one class will isolate seawater, and another class is directly under water construction. The construction method of isolating seawater requires the construction of auxiliary facilities, including auxiliary tunnels, isolation barrels, dams, etc., which are suitable for large-scale submarine earthworks. The underwater direct construction method does not need to build auxiliary facilities, and is suitable for small and medium-sized submarine earthworks. Some of the earthworks for laying sewage pipes, transmission cables and communication optical cables, and dredging waterways will adopt the underwater direct construction method. Subsea excavation usually adopts the underwater direct construction method. The subsea trenching project...

Claims

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Application Information

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IPC IPC(8): G06F17/50G06T17/10
CPCG06T17/10G06F30/13G06F30/23Y02A90/10
Inventor 万振文
Owner 南京麦慎数字科技有限公司
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