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A method and device for adjusting parameters of an aeroelastic model of a power transmission tower

A technology of parameter adjustment device and elastic model, which is used in measurement devices, aerodynamic tests, special data processing applications, etc., can solve the problem of difficulty in accurately simulating the aero-elastic response of transmission tower structures, and achieve similar structural quality characteristics and satisfy Similar effects with similar destruction modes and similar aerodynamic shapes

Active Publication Date: 2020-09-01
GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD
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Problems solved by technology

[0004] This application provides a transmission tower aeroelastic model member and a transmission tower aeroelastic model, which are used to solve the problem that the existing transmission tower aeroelastic model is difficult to accurately simulate the aeroelastic response of the transmission tower structure in the instability failure mode question

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  • A method and device for adjusting parameters of an aeroelastic model of a power transmission tower
  • A method and device for adjusting parameters of an aeroelastic model of a power transmission tower
  • A method and device for adjusting parameters of an aeroelastic model of a power transmission tower

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Embodiment Construction

[0039] The embodiment of the present application provides a transmission tower aeroelastic model member and a transmission tower aeroelastic model, which are used to solve the problem that the existing transmission tower aeroelastic model is difficult to accurately simulate the aeroelastic response of the transmission tower structure in the instability failure mode technical problems.

[0040] In order to make the purpose, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the following The described embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts b...

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Abstract

The application provides a power transmission tower aeroelastic model parameter adjusting method and device. According to the same conditions of stable critical stress on a prototype tower and a modeltower member, the model rod body specification matching is carried out; and the similar aerodynamic shape and similar structural quality characteristics of each rod member can be ensured by outsourcing the lightweight ABS board. Finally, according to the obtained specification parameters, a power transmission tower aeroelastic model can be constructed, which can achieve the same critical stress from the component, and similarly satisfy the failure mode in the structure, and simulate the instability and damage of the structure in a wind tunnel test, thereby improving the accuracy of the structural ultimate state aeroelastic test results of the power transmission tower; and the technical problem that the existing transmission tower aeroelastic models are difficult to accurately simulate theaeroelastic response of the power transmission tower structure in the instability failure mode can be solved.

Description

technical field [0001] The present application relates to the field of aerodynamic models, in particular to a method and device for adjusting parameters of an aeroelastic model of a power transmission tower. Background technique [0002] The aeroelastic model of the transmission tower is used in the aeroelastic wind tunnel test of the transmission tower line system. At present, the design of the aeroelastic model of the transmission tower includes the discrete stiffness method. Among them, the discrete stiffness method requires that the profiles of the model be similar in stiffness and geometric similarity. It simulates the stiffness and geometry of each profile of the transmission tower, which can more accurately simulate the axial stiffness and geometry of the main profiles of the transmission tower. Therefore, the model designed based on the discrete stiffness method has the best similarity with the real model, but it is difficult to make the model, and it is difficult to...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M9/08G06F30/20
CPCG01M9/08G06F30/23G06F30/367
Inventor 刘石黄正杨毅高庆水张楚
Owner GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD
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