Wind measurement support analogue simulation method based on modal superposition method
Through the method of simulation simulation method based on the modular superposition method, the complexity of the complicated structure of the air measurement stent caused by the complicated simulation simulation and the difficulty of the simulation simulation, and the stability and quality assessment of the effective simulation test and the conditions of the air measurement bracket. Essence
Patent Information
- Application Number
- CN202411203208.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-01-28
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The structure of the air test bracket is complex, and existing simulation methods are difficult to achieve effective simulation test of the air test bracket.
Adopting the simulation method of the air measurement stent based on the modal superposition method, by establishing simulation models, obtaining simulation dynamic response data, performing model parameter calibration, modal analysis, data decomposition and modal superposition response, calculate the structure of the air measurement stent, Response data and analyze the vibration characteristics.
Effectively realized the simulation simulation of the air measurement stent, evaluated its stability and quality under different operating conditions, and provided a scientific and reasonable reference basis for fan control strategies, component failure analysis, and vibration level evaluation.
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Figure CN119378290A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of simulation, and in particular to a wind measurement bracket simulation method based on a mode superposition method. Background Art
[0002] At present, by conducting simulation tests on wind measuring brackets under multiple operating conditions at typical key parts of wind turbines, measuring, analyzing and summarizing the vibration environment profile, it is helpful to provide a scientific and reasonable reference basis for wind turbine control strategies, component failure analysis, vibration level evaluation and severity requirements of wind turbine component vibration tests. However, the structure of the wind measuring bracket is complex and the simulation is difficult, making it difficult to achieve effective simulation testing of the wind measuring bracket.
[0003] Therefore, the present invention provides a wind measurement support simulation method based on the modal superposition method. Summary of the invention
[0004] The present invention provides a simulation method for a wind measuring bracket based on a modal superposition method. The method comprises the following steps: establishing a simulation model of the wind measuring bracket, obtaining simulated dynamic response data of the wind measuring bracket, and calibrating model parameters according to actual dynamic response data of the wind measuring bracket; performing modal analysis on the wind measuring bracket, determining eigenvalues and eigenvectors of the wind measuring bracket, and determining a main mode of the wind measuring bracket in combination with working condition data of the wind measuring bracket; performing data decomposition on the actual dynamic response data of the wind measuring bracket according to the main mode of the wind measuring bracket, determining decomposed dynamic response data of the main mode, performing modal superposition response, and calculating total structural response data of the wind measuring bracket; performing vibration characteristic analysis, evaluating the stability and quality of the wind measuring bracket structure under different working conditions, and effectively realizing simulation of the wind measuring bracket.
[0005] The present invention provides a wind measurement support simulation method based on a modal superposition method, comprising:
[0006] Step 1: Establish a simulation model of the wind measuring bracket, obtain the simulated dynamic response data of the wind measuring bracket, and calibrate the model parameters according to the actual dynamic response data of the wind measuring bracket;
[0007] Step 2: Perform modal analysis on the wind measuring bracket according to the simulation model after model parameter calibration, determine the eigenvalue and eigenvector of the wind measuring bracket, and determine the main mode of the wind measuring bracket in combination with the working condition data of the wind measuring bracket;
[0008] Step 3: Decomposing the actual dynamic response data of the wind measuring bracket according to the main modes of the wind measuring bracket, determining the decomposed dynamic response data of the main modes and performing modal superposition response, and calculating the total structural response data of the wind measuring bracket;
[0009] Step 4: Perform vibration characteristic analysis based on the overall structural response data of the wind measurement support to evaluate the stability and quality of the wind measurement support structure under different working conditions.
[0010] According to the wind measurement bracket simulation method based on the modal superposition method provided by the present invention, a simulation model of the wind measurement bracket is established, including:
[0011] Set the structural components of the wind measurement bracket and preliminarily establish the geometric model of the wind measurement bracket based on finite element analysis software;
[0012] Setting parameters of a geometric model of the wind measuring bracket according to parameter data of structural components of the wind measuring bracket;
[0013] The preset simulation accuracy of the wind measuring bracket is obtained, the accuracy of different structural components of the wind measuring bracket is divided and the accuracy constraints are performed, and the simulation model of the wind measuring bracket is determined.
[0014] According to the wind measuring bracket simulation method based on the modal superposition method provided by the present invention, the simulated dynamic response data of the wind measuring bracket is obtained, and the model parameters are calibrated according to the actual dynamic response data of the wind measuring bracket, including:
[0015] Acquire actual operating conditions, generate simulated operating conditions, perform simulation tests on the simulation model of the wind measuring bracket, and obtain simulated dynamic response data of the wind measuring bracket;
[0016] Based on actual operating conditions, pre-deploy acceleration sensors to obtain actual dynamic response data of the wind measurement bracket;
[0017] Based on actual operating conditions and simulated operating conditions, the simulated dynamic response data of the wind measuring bracket and the actual dynamic response data of the wind measuring bracket are processed one-to-one. When the one-to-one corresponding simulated dynamic response data is monitored to be inconsistent with the actual dynamic response data, the model parameters are calibrated according to the actual dynamic response data.
[0018] According to the wind measuring bracket simulation method based on the modal superposition method provided by the present invention, a modal analysis is performed on the wind measuring bracket according to the simulation model after the model parameter calibration, the eigenvalue and eigenvector of the wind measuring bracket are determined, and the main modes of the wind measuring bracket are determined in combination with the working condition data of the wind measuring bracket, including:
[0019] The modal superposition method is used to calculate the structural dynamic response, analyze the vibration characteristics of the wind measurement bracket under different working conditions, and identify the main modes and frequencies.
[0020] Preset the characteristic vector range for modal analysis of the wind measuring bracket, perform modal analysis on the wind measuring bracket according to the simulation model after model parameter calibration, and determine the characteristic value and characteristic vector of the wind measuring bracket;
[0021] Obtain the working condition data of the wind measuring support according to the actual operating conditions and determine the working condition type of the wind measuring support;
[0022] Set the number of main modes of the wind measuring bracket according to the number of working condition types of the wind measuring bracket;
[0023] Obtain the working condition eigenvalues and working condition eigenvectors corresponding to the working condition type of the wind measuring bracket, perform similarity calculation on the eigenvalues and eigenvectors of the wind measuring bracket, obtain the eigenvalues and eigenvectors corresponding to the maximum similarity under each working condition type, and determine the main mode of the wind measuring bracket.
[0024] According to the wind measuring bracket simulation method based on the modal superposition method provided by the present invention, the working condition data of the wind measuring bracket is obtained according to the actual operating conditions, and the working condition type of the wind measuring bracket is determined, including:
[0025] Obtaining the actual operating environment of the wind measuring support, determining the actual operating conditions of the wind measuring support, and obtaining the working condition data of the wind measuring support, wherein the actual operating conditions of the wind measuring support include: wind measuring period, wind measuring frequency, and wind measuring data type;
[0026] The working condition data of the wind measuring bracket is divided according to the wind measurement requirements to determine the working condition type of the wind measuring bracket, wherein the wind measurement requirements include: conventional wind measurement requirements, set content wind measurement requirements and screening wind measurement requirements.
[0027] According to the wind measuring bracket simulation method based on the modal superposition method provided by the present invention, the actual dynamic response data of the wind measuring bracket is decomposed according to the main mode of the wind measuring bracket, the decomposed dynamic response data of the main mode is determined and the modal superposition response is performed, and the total structural response data of the wind measuring bracket is calculated, including:
[0028] Verify the data integrity and validity of the actual dynamic response data of the wind measurement bracket under actual working conditions;
[0029] Selecting the main mode of the wind measuring bracket to perform data decomposition on the actual dynamic response data of the wind measuring bracket, and decomposing the actual dynamic response data of the wind measuring bracket into sub-modal dynamic response data;
[0030] The sub-modal dynamic response data are linearly superimposed according to a preset modal superposition method to obtain the total structural response data of the wind measurement bracket;
[0031] The total structural response data of the wind measuring bracket obtained by analysis and calculation are used to obtain the vibration amplitude and spectrum characteristics of the total structural response data, and the dynamic response characteristics of the wind measuring bracket simulation under actual working conditions are evaluated.
[0032] According to the wind measurement support simulation method based on the modal superposition method provided by the present invention, vibration characteristics analysis is performed according to the overall structural response data of the wind measurement support to evaluate the stability and quality of the wind measurement support structure under different working conditions, including:
[0033] Verify and organize the total structural response data of the wind measuring bracket. After the verification and organization is completed, perform vibration characteristic analysis on the verified and organized total structural response data of the wind measuring bracket according to the preset spectrum equipment to identify the resonance frequency and vibration mode. The vibration characteristic analysis includes: spectrum characteristic analysis and main spectrum characteristic analysis;
[0034] Further performing modal analysis on the total structural response data of the wind measurement bracket that has been verified and sorted out;
[0035] Based on the vibration characteristics analysis results and modal analysis results, the stability and quality of the wind measurement support structure under different working conditions are evaluated.
[0036] The wind measurement support simulation method based on the modal superposition method provided by the present invention also includes:
[0037] According to the total structural response data of the wind measuring bracket, data verification and data optimization are performed on the actual dynamic response data of the wind measuring bracket and the simulated dynamic response data of the wind measuring bracket;
[0038] Record and store the total structural response data of the wind measurement support and model parameters.
[0039] Compared with the prior art, the present invention has the following beneficial effects:
[0040] A simulation model of the wind measuring bracket is established, the simulated dynamic response data of the wind measuring bracket is obtained, and the model parameters are calibrated according to the actual dynamic response data of the wind measuring bracket; a modal analysis is performed on the wind measuring bracket to determine the eigenvalue and eigenvector of the wind measuring bracket, and the main mode of the wind measuring bracket is determined in combination with the working condition data of the wind measuring bracket; the actual dynamic response data of the wind measuring bracket is decomposed according to the main mode of the wind measuring bracket, the decomposed dynamic response data of the main mode is determined and the modal superposition response is performed, and the total structural response data of the wind measuring bracket is calculated; a vibration characteristic analysis is performed to evaluate the stability and quality of the wind measuring bracket structure under different working conditions, and the simulation of the wind measuring bracket is effectively realized.
[0041] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.
[0042] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0043] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0044] Figure 1 It is a flow chart of a method for simulating a wind measurement support based on a modal superposition method provided in an embodiment of the present invention. DETAILED DESCRIPTION
[0045] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0046] Embodiment 1:
[0047] The embodiment of the present invention provides a simulation method of a wind measurement bracket based on a modal superposition method, such as Figure 1 As shown, including:
[0048] Step 1: Establish a simulation model of the wind measuring bracket, obtain the simulated dynamic response data of the wind measuring bracket, and calibrate the model parameters according to the actual dynamic response data of the wind measuring bracket;
[0049] Step 2: Perform modal analysis on the wind measuring bracket according to the simulation model after model parameter calibration, determine the eigenvalue and eigenvector of the wind measuring bracket, and determine the main mode of the wind measuring bracket in combination with the working condition data of the wind measuring bracket;
[0050] Step 3: Decomposing the actual dynamic response data of the wind measuring bracket according to the main modes of the wind measuring bracket, determining the decomposed dynamic response data of the main modes and performing modal superposition response, and calculating the total structural response data of the wind measuring bracket;
[0051] Step 4: Perform vibration characteristic analysis based on the overall structural response data of the wind measurement support to evaluate the stability and quality of the wind measurement support structure under different working conditions.
[0052] The working principle and beneficial effects of the above technical scheme are: by establishing a simulation model of the wind measuring bracket, the simulated dynamic response data of the wind measuring bracket is obtained, and the model parameters are calibrated according to the actual dynamic response data of the wind measuring bracket; modal analysis is performed on the wind measuring bracket to determine the eigenvalue and eigenvector of the wind measuring bracket, and the main mode of the wind measuring bracket is determined in combination with the working condition data of the wind measuring bracket; the actual dynamic response data of the wind measuring bracket is decomposed according to the main mode of the wind measuring bracket, the decomposed dynamic response data of the main mode is determined and the modal superposition response is performed, and the total structural response data of the wind measuring bracket is calculated; vibration characteristic analysis is performed to evaluate the stability and quality of the wind measuring bracket structure under different working conditions, thereby effectively realizing the simulation of the wind measuring bracket.
[0053] Embodiment 2:
[0054] The embodiment of the present invention provides a simulation method for a wind measuring bracket based on a modal superposition method, and establishes a simulation model of a wind measuring bracket, including:
[0055] Set the structural components of the wind measurement bracket and preliminarily establish the geometric model of the wind measurement bracket based on finite element analysis software;
[0056] Setting parameters of a geometric model of the wind measuring bracket according to parameter data of structural components of the wind measuring bracket;
[0057] The preset simulation accuracy of the wind measuring bracket is obtained, the accuracy of different structural components of the wind measuring bracket is divided and the accuracy constraints are performed, and the simulation model of the wind measuring bracket is determined.
[0058] The working principle and beneficial effect of the above technical solution are: by establishing a simulation model of the wind measuring bracket, it is conducive to the subsequent simulation of the wind measuring bracket and lays the foundation for the model.
[0059] Embodiment 3:
[0060] The embodiment of the present invention provides a simulation method of a wind measuring bracket based on a modal superposition method, obtains simulated dynamic response data of the wind measuring bracket, and calibrates model parameters according to the actual dynamic response data of the wind measuring bracket, including:
[0061] Acquire actual operating conditions, generate simulated operating conditions, perform simulation tests on the simulation model of the wind measuring bracket, and obtain simulated dynamic response data of the wind measuring bracket;
[0062] Based on actual operating conditions, pre-deploy acceleration sensors to obtain actual dynamic response data of the wind measurement bracket;
[0063] Based on actual operating conditions and simulated operating conditions, the simulated dynamic response data of the wind measuring bracket and the actual dynamic response data of the wind measuring bracket are processed one-to-one. When the one-to-one corresponding simulated dynamic response data is monitored to be inconsistent with the actual dynamic response data, the model parameters are calibrated according to the actual dynamic response data.
[0064] The working principle and beneficial effect of the above technical solution are: by acquiring the simulated dynamic response data of the wind measuring bracket, the model parameters are calibrated according to the actual dynamic response data of the wind measuring bracket, thereby ensuring the accuracy of the model data.
[0065] Embodiment 4:
[0066] The embodiment of the present invention provides a simulation method for a wind measuring bracket based on a modal superposition method, performs modal analysis on the wind measuring bracket according to a simulation model after model parameter calibration, determines the eigenvalue and eigenvector of the wind measuring bracket, and determines the main mode of the wind measuring bracket in combination with the working condition data of the wind measuring bracket, including:
[0067] The modal superposition method is used to calculate the structural dynamic response, analyze the vibration characteristics of the wind measurement bracket under different working conditions, and identify the main modes and frequencies.
[0068] Preset the characteristic vector range for modal analysis of the wind measuring bracket, perform modal analysis on the wind measuring bracket according to the simulation model after model parameter calibration, and determine the characteristic value and characteristic vector of the wind measuring bracket;
[0069] Obtain the working condition data of the wind measuring support according to the actual operating conditions and determine the working condition type of the wind measuring support;
[0070] Set the number of main modes of the wind measuring bracket according to the number of working condition types of the wind measuring bracket;
[0071] Obtain the working condition eigenvalues and working condition eigenvectors corresponding to the working condition type of the wind measuring bracket, perform similarity calculation on the eigenvalues and eigenvectors of the wind measuring bracket, obtain the eigenvalues and eigenvectors corresponding to the maximum similarity under each working condition type, and determine the main mode of the wind measuring bracket.
[0072] The working principle and beneficial effects of the above technical solution are: performing modal analysis on the wind measuring bracket according to the simulation model after model parameter calibration, determining the eigenvalue and eigenvector of the wind measuring bracket, and determining the main mode of the wind measuring bracket in combination with the working condition data of the wind measuring bracket, which is conducive to subsequent modal decomposition and modal superposition processing.
[0073] Embodiment 5:
[0074] The embodiment of the present invention provides a simulation method for a wind measuring bracket based on a modal superposition method, which obtains working condition data of the wind measuring bracket according to actual operating conditions and determines the working condition type of the wind measuring bracket, including:
[0075] Obtaining the actual operating environment of the wind measuring support, determining the actual operating conditions of the wind measuring support, and obtaining the working condition data of the wind measuring support, wherein the actual operating conditions of the wind measuring support include: wind measuring period, wind measuring frequency, and wind measuring data type;
[0076] The working condition data of the wind measuring bracket is divided according to the wind measurement requirements to determine the working condition type of the wind measuring bracket, wherein the wind measurement requirements include: conventional wind measurement requirements, set content wind measurement requirements and screening wind measurement requirements.
[0077] The working principle and beneficial effects of the above technical solution are: obtaining the working condition data of the wind measuring bracket according to the actual operating conditions and determining the working condition type of the wind measuring bracket, which is conducive to accurately analyzing the main modes of the wind measuring bracket and then realizing subsequent modal superposition.
[0078] Embodiment 6:
[0079] The embodiment of the present invention provides a simulation method for a wind measuring bracket based on a modal superposition method, wherein the actual dynamic response data of the wind measuring bracket is decomposed according to the main mode of the wind measuring bracket, the decomposed dynamic response data of the main mode is determined and the modal superposition response is performed, and the total structural response data of the wind measuring bracket is calculated, including:
[0080] Verify the data integrity and validity of the actual dynamic response data of the wind measurement bracket under actual working conditions;
[0081] Selecting the main mode of the wind measuring bracket to perform data decomposition on the actual dynamic response data of the wind measuring bracket, and decomposing the actual dynamic response data of the wind measuring bracket into sub-modal dynamic response data;
[0082] The sub-modal dynamic response data are linearly superimposed according to a preset modal superposition method to obtain the total structural response data of the wind measurement bracket;
[0083] The total structural response data of the wind measuring bracket obtained by analysis and calculation are used to obtain the vibration amplitude and spectrum characteristics of the total structural response data, and the dynamic response characteristics of the wind measuring bracket simulation under actual working conditions are evaluated.
[0084] The working principle and beneficial effect of the above technical solution are: by decomposing the actual dynamic response data of the wind measuring bracket according to the main mode of the wind measuring bracket, determining the decomposed dynamic response data of the main mode and performing modal superposition response, the total structural response data of the wind measuring bracket is calculated, thereby effectively realizing the simulation of the wind measuring bracket.
[0085] Embodiment 7:
[0086] The embodiment of the present invention provides a simulation method for a wind measuring support based on a modal superposition method, and performs vibration characteristic analysis according to the overall structural response data of the wind measuring support to evaluate the stability and quality of the wind measuring support structure under different working conditions, including:
[0087] Verify and organize the total structural response data of the wind measuring bracket. After the verification and organization is completed, perform vibration characteristic analysis on the verified and organized total structural response data of the wind measuring bracket according to the preset spectrum equipment to identify the resonance frequency and vibration mode. The vibration characteristic analysis includes: spectrum characteristic analysis and main spectrum characteristic analysis;
[0088] Further performing modal analysis on the total structural response data of the wind measurement bracket that has been verified and sorted out;
[0089] Based on the vibration characteristics analysis results and modal analysis results, the stability and quality of the wind measurement support structure under different working conditions are evaluated.
[0090] The working principle and beneficial effect of the above technical solution are: performing vibration characteristic analysis based on the overall structural response data of the wind measuring bracket, evaluating the stability and quality of the wind measuring bracket structure under different working conditions, which is conducive to ensuring the stability and quality of the wind measuring bracket structure.
[0091] Embodiment 8:
[0092] The embodiment of the present invention provides a simulation method for a wind measurement support based on a modal superposition method, further comprising:
[0093] According to the total structural response data of the wind measuring bracket, data verification and data optimization are performed on the actual dynamic response data of the wind measuring bracket and the simulated dynamic response data of the wind measuring bracket;
[0094] Record and store the total structural response data of the wind measurement support and model parameters.
[0095] The working principle and beneficial effect of the above technical solution are: by recording and storing the total structural response data and model parameters of the wind measuring bracket, data verification and data optimization are performed to ensure the long-term effectiveness of the wind measuring bracket simulation.
[0096] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A wind measurement bracket simulation method based on the modal superposition method, characterized in that: include: Step 1: Establish a simulation model of the wind measuring bracket, obtain the simulated dynamic response data of the wind measuring bracket, and calibrate the model parameters according to the actual dynamic response data of the wind measuring bracket; Step 2: Perform modal analysis on the wind measuring bracket according to the simulation model after model parameter calibration, determine the eigenvalue and eigenvector of the wind measuring bracket, and determine the main mode of the wind measuring bracket in combination with the working condition data of the wind measuring bracket; Step 3: Decomposing the actual dynamic response data of the wind measuring bracket according to the main modes of the wind measuring bracket, determining the decomposed dynamic response data of the main modes and performing modal superposition response, and calculating the total structural response data of the wind measuring bracket; Step 4: Perform vibration characteristic analysis based on the overall structural response data of the wind measurement support to evaluate the stability and quality of the wind measurement support structure under different working conditions.
2. The wind measurement support simulation method based on the modal superposition method according to claim 1 is characterized in that: Establish a simulation model of the wind measurement bracket, including: Set the structural components of the wind measurement bracket and preliminarily establish the geometric model of the wind measurement bracket based on finite element analysis software; Setting parameters of a geometric model of the wind measuring bracket according to parameter data of structural components of the wind measuring bracket; The preset simulation accuracy of the wind measuring bracket is obtained, the accuracy of different structural components of the wind measuring bracket is divided and the accuracy constraints are performed, and the simulation model of the wind measuring bracket is determined.
3. The wind measurement support simulation method based on the modal superposition method according to claim 1 is characterized in that: Acquire the simulated dynamic response data of the wind measuring bracket, and calibrate the model parameters according to the actual dynamic response data of the wind measuring bracket, including: Acquire actual operating conditions, generate simulated operating conditions, perform simulation tests on the simulation model of the wind measuring bracket, and obtain simulated dynamic response data of the wind measuring bracket; Based on actual operating conditions, pre-deploy acceleration sensors to obtain actual dynamic response data of the wind measurement bracket; Based on actual operating conditions and simulated operating conditions, the simulated dynamic response data of the wind measuring bracket and the actual dynamic response data of the wind measuring bracket are processed one-to-one. When the one-to-one corresponding simulated dynamic response data is monitored to be inconsistent with the actual dynamic response data, the model parameters are calibrated according to the actual dynamic response data.
4. The wind measurement support simulation method based on the modal superposition method according to claim 1 is characterized in that: According to the simulation model with completed model parameter calibration, the modal analysis of the wind measuring bracket is carried out to determine the eigenvalue and eigenvector of the wind measuring bracket. The main modes of the wind measuring bracket are determined in combination with the working condition data of the wind measuring bracket, including: The modal superposition method is used to calculate the structural dynamic response, analyze the vibration characteristics of the wind measurement bracket under different working conditions, and identify the main modes and frequencies. Preset the characteristic vector range for modal analysis of the wind measuring bracket, perform modal analysis on the wind measuring bracket according to the simulation model after model parameter calibration, and determine the characteristic value and characteristic vector of the wind measuring bracket; Obtain the working condition data of the wind measuring support according to the actual operating conditions and determine the working condition type of the wind measuring support; Set the number of main modes of the wind measuring bracket according to the number of working condition types of the wind measuring bracket; Obtain the working condition eigenvalues and working condition eigenvectors corresponding to the working condition type of the wind measuring bracket, perform similarity calculation on the eigenvalues and eigenvectors of the wind measuring bracket, obtain the eigenvalues and eigenvectors corresponding to the maximum similarity under each working condition type, and determine the main mode of the wind measuring bracket.
5. The wind measurement support simulation method based on the modal superposition method according to claim 4 is characterized in that: Obtain the working condition data of the wind measuring support according to the actual operating conditions and determine the working condition type of the wind measuring support, including: Obtaining the actual operating environment of the wind measuring support, determining the actual operating conditions of the wind measuring support, and obtaining the working condition data of the wind measuring support, wherein the actual operating conditions of the wind measuring support include: wind measuring period, wind measuring frequency, and wind measuring data type; The working condition data of the wind measuring bracket is divided according to the wind measurement requirements to determine the working condition type of the wind measuring bracket, wherein the wind measurement requirements include: conventional wind measurement requirements, set content wind measurement requirements and screening wind measurement requirements.
6. The wind measurement support simulation method based on the modal superposition method according to claim 1 is characterized in that: The actual dynamic response data of the wind measuring bracket is decomposed according to the main mode of the wind measuring bracket, the decomposed dynamic response data of the main mode is determined and the modal superposition response is performed, and the total structural response data of the wind measuring bracket is calculated, including: Verify the data integrity and validity of the actual dynamic response data of the wind measurement bracket under actual working conditions; Selecting the main mode of the wind measuring bracket to perform data decomposition on the actual dynamic response data of the wind measuring bracket, and decomposing the actual dynamic response data of the wind measuring bracket into sub-modal dynamic response data; The sub-modal dynamic response data are linearly superimposed according to a preset modal superposition method to obtain the total structural response data of the wind measurement bracket; The total structural response data of the wind measuring bracket obtained by analysis and calculation are used to obtain the vibration amplitude and spectrum characteristics of the total structural response data, and the dynamic response characteristics of the wind measuring bracket simulation under actual working conditions are evaluated.
7. The wind measurement support simulation method based on the modal superposition method according to claim 1 is characterized in that: The vibration characteristics analysis is performed based on the overall structural response data of the wind measurement support to evaluate the stability and quality of the wind measurement support structure under different working conditions, including: Verify and organize the total structural response data of the wind measuring bracket. After the verification and organization is completed, perform vibration characteristic analysis on the verified and organized total structural response data of the wind measuring bracket according to the preset spectrum equipment to identify the resonance frequency and vibration mode. The vibration characteristic analysis includes: spectrum characteristic analysis and main spectrum characteristic analysis; Further performing modal analysis on the total structural response data of the wind measurement bracket that has been verified and sorted out; Based on the vibration characteristics analysis results and modal analysis results, the stability and quality of the wind measurement support structure under different working conditions are evaluated.
8. The wind measurement support simulation method based on the modal superposition method according to claim 1 is characterized in that: Also includes: According to the total structural response data of the wind measuring bracket, data verification and data optimization are performed on the actual dynamic response data of the wind measuring bracket and the simulated dynamic response data of the wind measuring bracket; Record and store the total structural response data of the wind measurement support and model parameters.