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Offshore wind power digital twin test pile test system and establishment method

A test system, offshore wind power technology, applied in electrical digital data processing, infrastructure test, CAD numerical modeling, etc., can solve problems such as difficult to achieve accurate analysis of bearing characteristics of super-large-diameter single pile foundation, and expand test content and test range, to achieve the effect of stress visualization

Inactive Publication Date: 2021-08-24
CHINA THREE GORGES CORPORATION
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Problems solved by technology

In addition, as the water depth of the offshore wind farm increases to 40-60m, the vibration frequency and fatigue load of the single pile foundation may become the controlling factors in the design of the single pile foundation. Accurate Analysis of Bearing Characteristics of Pile Foundation and Proposal of Design Method

Method used

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  • Offshore wind power digital twin test pile test system and establishment method
  • Offshore wind power digital twin test pile test system and establishment method
  • Offshore wind power digital twin test pile test system and establishment method

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Embodiment Construction

[0030] Such as Figure 1-Figure 4 As shown, an offshore wind power digital twin test pile test system includes a pile body 1, a loading mechanism 2, a data acquisition mechanism 3, a calculation and analysis platform 4 and a digital twin model 5; the pile body 1, the loading mechanism 2, the data The acquisition mechanism 3 and the calculation and analysis platform 4 constitute an on-site pile test system; a digital twin model 5 is constructed on the calculation and analysis platform 4 based on the on-site pile test system; the digital twin model 5 runs on the calculation and analysis platform 4 .

[0031] Preferably, the diameter of the pile body 1 is 1-3m.

[0032] It is worth noting that the current offshore wind power single pile foundation diameter is 6-9m, according to the large-scale field test scale ratio of 1:5-1:3, the pile body diameter of the field test pile test is preferably 1-3m.

[0033] Preferably, the loading mechanism 2 includes a support frame 21 , a react...

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Abstract

The invention relates to an offshore wind power digital twin test pile test system and an establishment method, the offshore wind power digital twin test pile test system comprises a loading mechanism, a data acquisition mechanism, a calculation and analysis platform and a digital twin model, the data acquisition mechanism is connected with the loading mechanism, and the calculation and analysis platform is connected with a jack of the loading mechanism and the data acquisition mechanism to form an on-site test pile test system, the digital twinborn model is a numerical simulation model constructed based on an on-site pile test system, model parameters are updated in real time by adopting on-site pile test data, and the digital twinborn model is established and operated on a computational analysis platform. High-precision design of an offshore wind power pile foundation structure is facilitated, a method is provided for understanding a stress deformation mechanism of a large-diameter or super-large-diameter pile body under the complex load working condition, meanwhile, stress visualization of soil around the pile and real-time analysis of stress deformation of the pile body are achieved based on numerical simulation of a digital twinborn model, and an existing offshore wind power pile foundation design method can be evaluated, checked and corrected.

Description

technical field [0001] The invention belongs to the technical field of offshore wind power pile tests, and relates to an offshore wind power digital twin test pile test system and an establishment method. Background technique [0002] Digital twin refers to mapping the physical model in the real world to the virtual model in the digital world. The physical model and the virtual model can perform two-way data interaction and information fusion, and improve the performance of the real physical system through iterative optimization. The key to digital twin technology is to create a digital twin model that can accurately reflect the changing characteristics of the physical model. The digital twin model adjusts the corresponding parameters in a timely manner according to the operating status of the physical model to keep it consistent with the operating status of the physical model. [0003] The monopile foundation is the most commonly used foundation form in offshore wind farms,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23E02D33/00G06F111/10G06F119/14
CPCE02D33/00G06F30/23G06F2111/10G06F2119/14
Inventor 王卫张泽超于光明林琳张炜
Owner CHINA THREE GORGES CORPORATION
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