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Method for establishing aeroelastic model of flexible photovoltaic support structure

A technology of photovoltaic support and aero-elastic model, which is applied in CAD numerical modeling, design optimization/simulation, etc., can solve the problems of few aero-elastic tests and lack of guidance methods.

Active Publication Date: 2020-07-28
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, at present, there are few aeroelastic tests for flexible photovoltaic support structures, and there is a lack of corresponding guidance methods

Method used

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  • Method for establishing aeroelastic model of flexible photovoltaic support structure
  • Method for establishing aeroelastic model of flexible photovoltaic support structure
  • Method for establishing aeroelastic model of flexible photovoltaic support structure

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Embodiment Construction

[0053] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. This embodiment is developed on the basis of the technical solution of the present invention, but the protection scope of the present invention is not limited to the following embodiments.

[0054] The flexible photovoltaic support structure of this embodiment includes: 1) horizontal and oblique steel cables: circular cross-section, the cross-sectional diameter of both is about 19mm, and the cross-sectional area is 280mm 2 , the length of the two horizontal stay cables is 15m, the length of the four stay cables is 5.09m, each of the horizontal stay cables and stay cables has a pretension of 224000N; 2) steel column: rectangular cross-section, 3.6m high, section size 150mm×150mm; 3) steel beam: rectangular section, length 1.0m, section size 100mm×100mm, elastic modulus of steel 1.94×10 5 Mpa, the density is 7.85g / cm 3 ;4) Photovoltaic module: its size i...

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Abstract

The invention belongs to the field of wind resistance of engineering structures, and particularly relates to a method for establishing an aeroelastic model of a flexible photovoltaic support structure. The invention provides the method for establishing the aeroelastic model of the flexible photovoltaic structure, which can simultaneously meet the similarity between the aeroelastic model of the flexible photovoltaic support structure and a prototype in geometrical shape, quality and rigidity, and realizes reasonable and accurate application of pretension of a horizontal stay cable and a stay cable of the flexible photovoltaic support structure. The aeroelastic model established by the method can reasonably simulate aerodynamic configuration and wind vibration dynamic characteristics of a prototype structure, and can provide test technical support for wind resistance design of similar flexible photovoltaic support structure engineering.

Description

technical field [0001] The invention belongs to the field of wind-resistant design of engineering structures, and in particular relates to a method for establishing an aeroelastic model of a flexible photovoltaic support structure. Background technique [0002] As a renewable and clean energy with mature technology, photovoltaic power generation has been widely favored by the market because of its good environmental protection and economy. With the rapid development of my country's photovoltaic industry, high-quality project construction land is rapidly depleted, so the full development and utilization of non-high-quality space resources (such as tidal flats, deserted mountains, etc.) will have broad market prospects. In order to meet the needs of market development, a flexible photovoltaic support structure based on a prestressed cable system has emerged in recent years. The structure is usually composed of columns, beams, horizontal stay cables and cable stays, and the la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06F111/10
Inventor 徐海巍杜航
Owner ZHEJIANG UNIV