Frequency analysis method and system

Abstract

The invention provides a frequency analysis method and system, and the method comprises the steps: fixing one end of a flexible connection pipe in a preset analysis platform, and applying a corresponding preset pressure to the other end of the flexible connection pipe; recording a target displacement correspondingly generated by the flexible connecting pipe under the preset pressure in real time, acquiring a mounting structure corresponding to the flexible connecting pipe in real time, and respectively constructing a first finite element model corresponding to the flexible connecting pipe and a second finite element model corresponding to the mounting structure; performing displacement analysis on the flexible connecting pipe to obtain corresponding target position information, correspondingly assembling the first finite element model onto the second finite element model based on the position information to generate a corresponding target finite element model, and calculating modal frequency of the target finite element model under an actual mounting boundary in real time, and thus, corresponding frequency analysis is completed. According to the method, the corresponding measurement data can be quickly and effectively searched, and the working efficiency is correspondingly improved.

Description

Technical Field

[0001] The present invention relates to the field of automobile technology, and in particular to a frequency analysis method and system. Background Art

[0002] With the advancement of science and technology and the rapid development of productivity, cars have become popular in people's daily lives and have become one of the indispensable means of transportation for people's daily travel, greatly facilitating people's lives.

[0003] Among them, the automotive power system provides power for the entire vehicle, and it is necessary to design a large number of pipelines to provide fluids such as lubricants or coolants for the moving machinery. The metal pipeline structure has high strength and good reliability, but it has high requirements for the installation position and shape. If the shape is complex or the relative position deviation is large, there is a risk of difficulty or inability to install. In order to solve the problem of difficult installation caused by complex rigid pipelines, flexible pipelines with flexible braided tubes have become the best choice. Flexible pipes are used in machinery, electrical and construction industries. Flexible pipelines have good flexibility and can adjust the position, shape and possible deformation of the pipeline. They can effectively reduce installation time, reduce system failure rate, and save installation costs.

[0004] Furthermore, both ends of the existing flexible connection unit are correspondingly configured as metal tubes, and the middle flexible section is composed of rubber and metal braided tube, and its elastic modulus cannot be directly obtained. However, in the process of analyzing the working data of the flexible connection unit, the calculated frequency is often inconsistent with the actual frequency, resulting in the resonance of components and failure, thereby correspondingly reducing the user experience. Summary of the invention

[0005] Based on this, the purpose of the present invention is to provide a frequency analysis method and system to solve the problem that in the process of analyzing the working data of the flexible connection unit in the prior art, the calculated frequency is often inconsistent with the actual frequency, which causes the resonance of the components and causes failure.

[0006] The first aspect of the embodiment of the present invention proposes:

[0007] A frequency analysis method, wherein the method comprises:

[0008] When the flexible connecting tube is acquired in real time, one end of the flexible connecting tube is fixed in a preset analysis platform, and a corresponding preset pressure is applied to the other end of the flexible connecting tube;

[0009] Recording the target displacement of the flexible connecting pipe under the preset pressure in real time, acquiring the installation structure corresponding to the flexible connecting pipe in real time, and constructing a first finite element model corresponding to the flexible connecting pipe and a second finite element model corresponding to the installation structure respectively;

[0010] A displacement analysis is performed on the flexible connecting pipe to obtain corresponding target position information, and based on the position information, the first finite element model is assembled to the second finite element model to generate a corresponding target finite element model, and the modal frequency of the target finite element model under the actual installation boundary is calculated in real time to complete the corresponding frequency analysis.

[0011] The beneficial effect of the present invention is that by setting the flexible connecting pipe accordingly in the analysis platform, the target displacement for subsequent analysis can be obtained accordingly. Based on this, the required first finite element model and the second finite element model can be further constructed in real time according to the characteristics of the current target displacement. Based on this, subsequent displacement analysis can be further performed, and the required target position information can be obtained accordingly. On this basis, the corresponding target finite element model can be generated according to the current first finite element model and the second finite element model, and the final frequency analysis can be completed, which correspondingly improves work efficiency and user experience.

[0012] Furthermore, the steps of respectively constructing a first finite element model corresponding to the flexible connecting pipe and a second finite element model corresponding to the mounting structure include:

[0013] When the flexible connecting pipe is acquired in real time, a target model corresponding to the flexible connecting pipe is detected in real time;

[0014] A target parameter set corresponding to the flexible connecting pipe is detected in real time in a preset database according to the target model, and a first finite element model corresponding to the flexible connecting pipe is constructed in real time according to the target parameter set.

[0015] Furthermore, the step of constructing a first finite element model corresponding to the flexible connecting pipe in real time according to the target parameter set includes:

[0016] When the target parameter set is acquired in real time, the flexible connecting pipe is subjected to corresponding splitting processing based on the target parameter set, so as to split the flexible connecting pipe into a plurality of corresponding shell elements;

[0017] A corresponding target identifier is added to each of the shell elements, and based on the target identifier, a data subset corresponding to each of the shell elements is matched in the target parameter set, so as to create the first finite element model according to each of the data subsets.

[0018] Furthermore, the step of creating the first finite element model according to each of the data subsets includes:

[0019] When each of the data subsets is acquired in real time, a finite element analysis is performed on the shell element corresponding to the data subset based on the data subset to generate a corresponding finite element unit;

[0020] A corresponding splicing process is performed on each of the finite element units in a preset finite element space to generate a first finite element model corresponding to the flexible connecting pipe.

[0021] Furthermore, the step of calculating the modal frequency of the target finite element model at the actual installation boundary in real time to complete the corresponding frequency analysis includes:

[0022] When it is detected in real time that the frequency analysis of the flexible connecting pipe is completed, a corresponding analysis report is generated in real time according to the result of the frequency analysis;

[0023] The analysis report is encrypted to generate a corresponding encrypted report, and the encrypted report is sent to the user terminal of the staff member.

[0024] Furthermore, the step of encrypting the analysis report to generate a corresponding encrypted report includes:

[0025] When the analysis report is obtained in real time, the analysis report is fully scanned to correspondingly scan out a number of target numbers and a number of target letters contained in the analysis report;

[0026] The target numbers and the target letters are integrated and processed accordingly to generate corresponding encrypted data sets, and the analysis report is encrypted according to the encrypted data sets to generate the encrypted report accordingly.

[0027] Furthermore, the step of encrypting the analysis report according to the encrypted data set to generate the encrypted report includes:

[0028] When the encrypted data set is acquired in real time, a number of characters are randomly selected from the encrypted data set, and the characters are randomly arranged and combined to generate a number of corresponding serial numbers, and a serial number is randomly selected as the encryption key of the analysis report to generate the encrypted report accordingly, and the characters include the target numbers and the target letters.

[0029] The second aspect of the embodiment of the present invention proposes:

[0030] A frequency analysis system, wherein the system comprises:

[0031] an acquisition module, for fixing one end of the flexible connecting tube in a preset analysis platform and applying a corresponding preset pressure to the other end of the flexible connecting tube when the flexible connecting tube is acquired in real time;

[0032] a processing module, for recording in real time the target displacement generated by the flexible connecting pipe under the preset pressure, acquiring in real time the installation structure corresponding to the flexible connecting pipe, and constructing a first finite element model corresponding to the flexible connecting pipe and a second finite element model corresponding to the installation structure;

[0033] An analysis module is used to perform displacement analysis on the flexible connecting pipe to obtain corresponding target position information, and based on the position information, the first finite element model is correspondingly assembled to the second finite element model to generate a corresponding target finite element model, and the modal frequency of the target finite element model under the actual installation boundary is calculated in real time to complete the corresponding frequency analysis.

[0034] Furthermore, the acquisition module is specifically used for:

[0035] When the flexible connecting pipe is acquired in real time, a target model corresponding to the flexible connecting pipe is detected in real time;

[0036] A target parameter set corresponding to the flexible connecting pipe is detected in real time in a preset database according to the target model, and a first finite element model corresponding to the flexible connecting pipe is constructed in real time according to the target parameter set.

[0037] Furthermore, the acquisition module is specifically used for:

[0038] When the target parameter set is acquired in real time, the flexible connecting pipe is subjected to corresponding splitting processing based on the target parameter set, so as to split the flexible connecting pipe into a plurality of corresponding shell elements;

[0039] A corresponding target identifier is added to each of the shell elements, and based on the target identifier, a data subset corresponding to each of the shell elements is matched in the target parameter set, so as to create the first finite element model according to each of the data subsets.

[0040] Furthermore, the acquisition module is specifically used for:

[0041] When each of the data subsets is acquired in real time, a finite element analysis is performed on the shell element corresponding to the data subset based on the data subset to generate a corresponding finite element unit;

[0042] A corresponding splicing process is performed on each of the finite element units in a preset finite element space to generate a first finite element model corresponding to the flexible connecting pipe.

[0043] Furthermore, the processing module is specifically used for:

[0044] When it is detected in real time that the frequency analysis of the flexible connecting pipe is completed, a corresponding analysis report is generated in real time according to the result of the frequency analysis;

[0045] The analysis report is encrypted to generate a corresponding encrypted report, and the encrypted report is sent to the user terminal of the staff member.

[0046] Furthermore, the processing module is specifically used for:

[0047] When the analysis report is obtained in real time, the analysis report is fully scanned to correspondingly scan out a number of target numbers and a number of target letters contained in the analysis report;

[0048] The target numbers and the target letters are integrated and processed accordingly to generate corresponding encrypted data sets, and the analysis report is encrypted according to the encrypted data sets to generate the encrypted report accordingly.

[0049] Furthermore, the analysis module is specifically used for:

[0050] When the encrypted data set is acquired in real time, a number of characters are randomly selected from the encrypted data set, and the characters are randomly arranged and combined to generate a number of corresponding serial numbers, and a serial number is randomly selected as the encryption key of the analysis report to generate the encrypted report accordingly, and the characters include the target numbers and the target letters.

[0051] The third aspect of the embodiment of the present invention proposes:

[0052] A computer comprises a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor implements the frequency analysis method as described above when executing the computer program.

[0053] The fourth aspect of the embodiments of the present invention proposes:

[0054] A readable storage medium stores a computer program, wherein the program implements the frequency analysis method as described above when executed by a processor.

[0055] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Figure 1 A flow chart of a frequency analysis method provided by the first embodiment of the present invention;

[0057] Figure 2 This is a structural block diagram of a frequency analysis system provided in the third embodiment of the present invention.

[0058] The following specific implementation manner will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0059] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0060] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0061] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0062] See also Figure 1 , which is shown as the frequency analysis method provided in the first embodiment of the present invention. The frequency analysis method provided in this embodiment can objectively and accurately complete the frequency analysis of the flexible connecting pipe, so that the corresponding frequency characteristics can be accurately obtained, which correspondingly improves the work efficiency.

[0063] Specifically, this embodiment provides:

[0064] A frequency analysis method specifically comprises the following steps:

[0065] Step S10, when the flexible connecting tube is acquired in real time, one end of the flexible connecting tube is fixed in a preset analysis platform, and a corresponding preset pressure is applied to the other end of the flexible connecting tube;

[0066] Step S20, recording in real time the target displacement generated by the flexible connecting pipe under the preset pressure, acquiring in real time the installation structure corresponding to the flexible connecting pipe, and constructing a first finite element model corresponding to the flexible connecting pipe and a second finite element model corresponding to the installation structure respectively;

[0067] Step S30, performing displacement analysis on the flexible connecting pipe to obtain corresponding target position information, and based on the position information, assembling the first finite element model to the second finite element model to generate a corresponding target finite element model, and calculating the modal frequency of the target finite element model under the actual installation boundary in real time to complete the corresponding frequency analysis.

[0068] Specifically, in this embodiment, it is implemented by the following steps:

[0069] Step 1, flexible pipe disturbance test, fix one end of the flexible connection unit, apply a vertical downward force on the other end, and record the end displacement.

[0070] 1.1 Fix one end of the flexible connection unit and record the specific position of the other end.

[0071] 1.2 Hang an object of a certain mass vertically at the other end or use a force meter to apply a vertical downward force. The suspended object can be a weight or other object of a definite mass.

[0072] 1.3 Record the position of the other end when a weight is hung or a downward vertical force is applied, and calculate the displacement of the other end.

[0073] Step 2, establishing a model, respectively establishing finite element models of the flexible connection unit and the mounting structure.

[0074] 2.1 Collect the geometric models of the various structures and installation structures of the flexible pipeline, as well as the material type, physical properties, weight data, constraint relationships, etc. of each part.

[0075] 2.2 Build a flexible pipe mesh model. The flexible pipe can be made into a solid unit or a shell unit. It is recommended to use a hexahedral mesh for the solid unit. The connection relationship between the parts is established according to the actual assembly. The metal structure is assigned corresponding material parameters according to the actual type. The flexible segment is first assigned empirical parameters;

[0076] 2.3 Establish a mesh model of the supporting shell structure. The supporting shell structure can be made into a tetrahedral mesh. The connection relationship between the shell parts is established according to the actual assembly, and the corresponding material parameters are assigned according to the actual material type;

[0077] The above modeling steps are carried out in the pre-processing software Hypermesh. It is necessary to ensure that the model quality is consistent with the actual quality. The body process is as follows:

[0078] Import the geometric model into the pre-processing software;

[0079] Make mesh elements according to the geometric structure. They can be shell elements or solid elements according to the part type and shape modeling requirements.

[0080] Define the material properties of the mesh elements to ensure that the model quality is consistent with the actual quality;

[0081] The connection relationship between each part is established according to the actual assembly.

[0082] Flexible connection unit structure

[0083] Step 3, calibrate preset parameters: perform displacement analysis on the flexible connection unit according to the test conditions, keep the boundary conditions and loads consistent with the above-mentioned flexible pipe disturbance test, and debug the material parameters of the flexible section of the flexible pipe until the analyzed displacement result of the end of the flexible pipe is consistent with the measured displacement result.

[0084] 3.1 According to the test boundary conditions, the flexible pipe is fully constrained in the model, and the same load as the test is applied to the other end to analyze and obtain the displacement change value of the end.

[0085] 3.2 Debug the preset material parameters of the flexible section until the analyzed displacement results at the end of the flexible tube are consistent with the measured displacement results.

[0086] (1) Analyze and obtain the displacement results of the flexible pipe end and compare them with the test results;

[0087] (2) If they are consistent, proceed to step 4; if they are inconsistent, adjust the preset material parameters of the flexible section until the analytical displacement result of the end of the flexible pipe is consistent with the measured displacement result, and then proceed to step 4.

[0088] 3.3 Obtain an equivalent material parameter combination that can reflect the real stiffness of the flexible segment. The modal frequency result is affected by the density and elastic modulus parameters of the parts. Since the physical density of a certain mass is determined when the structure is determined, the present invention adjusts the elastic modulus of the material so that the flexible segment has the structural stiffness under the real state. The predicted parameter is the elastic modulus.

[0089] Step 4: Model assembly: according to the flexible pipe position information, assemble the finite element model of the flexible connection unit onto the finite element model of the mounting structure.

[0090] Step 5: Natural frequency analysis: Calculate the modal frequency of the flexible connection unit under the actual installation boundary to meet the design frequency requirements.

[0091] 5.1 Perform modal analysis based on the model established in step 4 to obtain the natural frequency of the flexible connection unit;

[0092] 5.2 The calculated natural frequency freq 1 and the design frequency target freq 2 Compare and evaluate whether the flexible pipe meets the design requirements;

[0093] 5.3 If the design requirements are met, the component design is frozen; if not, the structural design is optimized until the natural frequency of the flexible connection unit meets the design frequency requirements.

[0094] freq 1 Install the natural frequencies of the flexible link element obtained for the analysis.

[0095] freq 2 For the design frequency target,

[0096] If the flexible connection unit is installed on the powertrain, In this case, if freq 1 >freq 2 It is considered that the flexible connection unit meets the frequency design requirements. max is the maximum engine speed.

[0097] If the flexible connection unit is installed on other non-powertrain structures such as chassis or body, freq 2 It can be a single value or a frequency range, and needs to be treated differently depending on the specific situation.

[0098] Second embodiment

[0099] Furthermore, the steps of respectively constructing a first finite element model corresponding to the flexible connecting pipe and a second finite element model corresponding to the mounting structure include:

[0100] When the flexible connecting pipe is acquired in real time, a target model corresponding to the flexible connecting pipe is detected in real time;

[0101] A target parameter set corresponding to the flexible connecting pipe is detected in real time in a preset database according to the target model, and a first finite element model corresponding to the flexible connecting pipe is constructed in real time according to the target parameter set.

[0102] Furthermore, the step of constructing a first finite element model corresponding to the flexible connecting pipe in real time according to the target parameter set includes:

[0103] When the target parameter set is acquired in real time, the flexible connecting pipe is subjected to corresponding splitting processing based on the target parameter set, so as to split the flexible connecting pipe into a plurality of corresponding shell elements;

[0104] A corresponding target identifier is added to each of the shell elements, and based on the target identifier, a data subset corresponding to each of the shell elements is matched in the target parameter set, so as to create the first finite element model according to each of the data subsets.

[0105] Furthermore, the step of creating the first finite element model according to each of the data subsets includes:

[0106] When each of the data subsets is acquired in real time, a finite element analysis is performed on the shell element corresponding to the data subset based on the data subset to generate a corresponding finite element unit;

[0107] A corresponding splicing process is performed on each of the finite element units in a preset finite element space to generate a first finite element model corresponding to the flexible connecting pipe.

[0108] Furthermore, the step of calculating the modal frequency of the target finite element model at the actual installation boundary in real time to complete the corresponding frequency analysis includes:

[0109] When it is detected in real time that the frequency analysis of the flexible connecting pipe is completed, a corresponding analysis report is generated in real time according to the result of the frequency analysis;

[0110] The analysis report is encrypted to generate a corresponding encrypted report, and the encrypted report is sent to the user terminal of the staff member.

[0111] Furthermore, the step of encrypting the analysis report to generate a corresponding encrypted report includes:

[0112] When the analysis report is obtained in real time, the analysis report is fully scanned to correspondingly scan out a number of target numbers and a number of target letters contained in the analysis report;

[0113] The target numbers and the target letters are integrated and processed accordingly to generate corresponding encrypted data sets, and the analysis report is encrypted according to the encrypted data sets to generate the encrypted report accordingly.

[0114] Furthermore, the step of encrypting the analysis report according to the encrypted data set to generate the encrypted report includes:

[0115] When the encrypted data set is acquired in real time, a number of characters are randomly selected from the encrypted data set, and the characters are randomly arranged and combined to generate a number of corresponding serial numbers, and a serial number is randomly selected as the encryption key of the analysis report to generate the encrypted report accordingly, and the characters include the target numbers and the target letters.

[0116] See also Figure 2 , the third embodiment of the present invention provides:

[0117] A frequency analysis system, wherein the system comprises:

[0118] an acquisition module, for fixing one end of the flexible connecting tube in a preset analysis platform and applying a corresponding preset pressure to the other end of the flexible connecting tube when the flexible connecting tube is acquired in real time;

[0119] a processing module, for recording in real time the target displacement generated by the flexible connecting pipe under the preset pressure, acquiring in real time the installation structure corresponding to the flexible connecting pipe, and constructing a first finite element model corresponding to the flexible connecting pipe and a second finite element model corresponding to the installation structure;

[0120] An analysis module is used to perform displacement analysis on the flexible connecting pipe to obtain corresponding target position information, and based on the position information, the first finite element model is correspondingly assembled to the second finite element model to generate a corresponding target finite element model, and the modal frequency of the target finite element model under the actual installation boundary is calculated in real time to complete the corresponding frequency analysis.

[0121] Furthermore, the acquisition module is specifically used for:

[0122] When the flexible connecting pipe is acquired in real time, a target model corresponding to the flexible connecting pipe is detected in real time;

[0123] A target parameter set corresponding to the flexible connecting pipe is detected in real time in a preset database according to the target model, and a first finite element model corresponding to the flexible connecting pipe is constructed in real time according to the target parameter set.

[0124] Furthermore, the acquisition module is specifically used for:

[0125] When the target parameter set is acquired in real time, the flexible connecting pipe is subjected to corresponding splitting processing based on the target parameter set, so as to split the flexible connecting pipe into a plurality of corresponding shell elements;

[0126] A corresponding target identifier is added to each of the shell elements, and based on the target identifier, a data subset corresponding to each of the shell elements is matched in the target parameter set, so as to create the first finite element model according to each of the data subsets.

[0127] Furthermore, the acquisition module is specifically used for:

[0128] When each of the data subsets is acquired in real time, a finite element analysis is performed on the shell element corresponding to the data subset based on the data subset to generate a corresponding finite element unit;

[0129] A corresponding splicing process is performed on each of the finite element units in a preset finite element space to generate a first finite element model corresponding to the flexible connecting pipe.

[0130] Furthermore, the processing module is specifically used for:

[0131] When it is detected in real time that the frequency analysis of the flexible connecting pipe is completed, a corresponding analysis report is generated in real time according to the result of the frequency analysis;

[0132] The analysis report is encrypted to generate a corresponding encrypted report, and the encrypted report is sent to the user terminal of the staff member.

[0133] Furthermore, the processing module is specifically used for:

[0134] When the analysis report is obtained in real time, the analysis report is fully scanned to correspondingly scan out a number of target numbers and a number of target letters contained in the analysis report;

[0135] The target numbers and the target letters are integrated and processed accordingly to generate corresponding encrypted data sets, and the analysis report is encrypted according to the encrypted data sets to generate the encrypted report accordingly.

[0136] Furthermore, the analysis module is specifically used for:

[0137] When the encrypted data set is acquired in real time, a number of characters are randomly selected from the encrypted data set, and the characters are randomly arranged and combined to generate a number of corresponding serial numbers, and a serial number is randomly selected as the encryption key of the analysis report to generate the encrypted report accordingly, and the characters include the target numbers and the target letters.

[0138] A fourth embodiment of the present invention provides a computer, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the frequency analysis method described above when executing the computer program.

[0139] A fifth embodiment of the present invention provides a readable storage medium having a computer program stored thereon, wherein the program implements the frequency analysis method as described above when executed by a processor.

[0140] In summary, the frequency analysis method and system provided by the above embodiments of the present invention can objectively and accurately complete the frequency analysis of the flexible connecting pipe, so that the corresponding frequency characteristics can be accurately obtained, which correspondingly improves the work efficiency.

[0141] It should be noted that the above modules can be functional modules or program modules, and can be implemented by software or hardware. For modules implemented by hardware, the above modules can be located in the same processor; or the above modules can be located in different processors in any combination.

[0142] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as an ordered list of executable instructions for implementing logical functions, and can be embodied in any computer-readable medium for use by an instruction execution system, device or apparatus (such as a computer-based system, a system including a processor, or other system that can fetch instructions from an instruction execution system, device or apparatus and execute instructions), or in conjunction with such instruction execution systems, devices or apparatuses. For the purposes of this specification, "computer-readable medium" can be any device that can contain, store, communicate, propagate or transmit a program for use by an instruction execution system, device or apparatus, or in conjunction with such instruction execution systems, devices or apparatuses.

[0143] More specific examples of computer-readable media (a non-exhaustive list) include the following: an electrical connection with one or more wires (electronic device), a portable computer disk case (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disk read-only memory (CDROM). In addition, the computer-readable medium may even be a paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium, followed by editing, deciphering or, if necessary, processing in another suitable manner, and then stored in a computer memory.

[0144] It should be understood that the various parts of the present invention can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, a plurality of steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0145] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0146] The above-described embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A frequency analysis method, characterized in that: The method comprises: When the flexible connecting tube is acquired in real time, one end of the flexible connecting tube is fixed in a preset analysis platform, and a corresponding preset pressure is applied to the other end of the flexible connecting tube; Recording the target displacement of the flexible connecting pipe under the preset pressure in real time, acquiring the installation structure corresponding to the flexible connecting pipe in real time, and constructing a first finite element model corresponding to the flexible connecting pipe and a second finite element model corresponding to the installation structure respectively; A displacement analysis is performed on the flexible connecting pipe to obtain corresponding target position information, and based on the position information, the first finite element model is assembled to the second finite element model to generate a corresponding target finite element model, and the modal frequency of the target finite element model under the actual installation boundary is calculated in real time to complete the corresponding frequency analysis.

2. The frequency analysis method according to claim 1, characterized in that: The steps of respectively constructing a first finite element model corresponding to the flexible connecting pipe and a second finite element model corresponding to the mounting structure include: When the flexible connecting pipe is acquired in real time, a target model corresponding to the flexible connecting pipe is detected in real time; A target parameter set corresponding to the flexible connecting pipe is detected in real time in a preset database according to the target model, and a first finite element model corresponding to the flexible connecting pipe is constructed in real time according to the target parameter set.

3. The frequency analysis method according to claim 2, characterized in that: The step of constructing a first finite element model corresponding to the flexible connecting pipe in real time according to the target parameter set comprises: When the target parameter set is acquired in real time, the flexible connecting pipe is subjected to corresponding splitting processing based on the target parameter set, so as to split the flexible connecting pipe into a plurality of corresponding shell elements; A corresponding target identifier is added to each of the shell elements, and based on the target identifier, a data subset corresponding to each of the shell elements is matched in the target parameter set, so as to create the first finite element model according to each of the data subsets.

4. The frequency analysis method according to claim 3, characterized in that: The step of creating the first finite element model according to each of the data subsets comprises: When each of the data subsets is acquired in real time, a finite element analysis is performed on the shell element corresponding to the data subset based on the data subset to generate a corresponding finite element unit; A corresponding splicing process is performed on each of the finite element units in a preset finite element space to generate a first finite element model corresponding to the flexible connecting pipe.

5. The frequency analysis method according to claim 1, characterized in that: The step of calculating the modal frequency of the target finite element model under the actual installation boundary in real time to complete the corresponding frequency analysis includes: When it is detected in real time that the frequency analysis of the flexible connecting pipe is completed, a corresponding analysis report is generated in real time according to the result of the frequency analysis; The analysis report is encrypted to generate a corresponding encrypted report, and the encrypted report is sent to the user terminal of the staff member.

6. The frequency analysis method according to claim 5, characterized in that: The step of encrypting the analysis report to generate a corresponding encrypted report includes: When the analysis report is obtained in real time, the analysis report is fully scanned to correspondingly scan out a number of target numbers and a number of target letters contained in the analysis report; The target numbers and the target letters are integrated and processed accordingly to generate corresponding encrypted data sets, and the analysis report is encrypted according to the encrypted data sets to generate the encrypted report accordingly.

7. The frequency analysis method according to claim 6, characterized in that: The step of encrypting the analysis report according to the encrypted data set to generate the encrypted report includes: When the encrypted data set is acquired in real time, a number of characters are randomly selected from the encrypted data set, and the characters are randomly arranged and combined to generate a number of corresponding serial numbers, and a serial number is randomly selected as the encryption key of the analysis report to generate the encrypted report accordingly, and the characters include the target numbers and the target letters.

8. A frequency analysis system, characterized in that: The system comprises: an acquisition module, for fixing one end of the flexible connecting tube in a preset analysis platform and applying a corresponding preset pressure to the other end of the flexible connecting tube when the flexible connecting tube is acquired in real time; a processing module, for recording in real time the target displacement generated by the flexible connecting pipe under the preset pressure, acquiring in real time the installation structure corresponding to the flexible connecting pipe, and constructing a first finite element model corresponding to the flexible connecting pipe and a second finite element model corresponding to the installation structure; An analysis module is used to perform displacement analysis on the flexible connecting pipe to obtain corresponding target position information, and based on the position information, the first finite element model is correspondingly assembled to the second finite element model to generate a corresponding target finite element model, and the modal frequency of the target finite element model under the actual installation boundary is calculated in real time to complete the corresponding frequency analysis.

9. A computer comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the frequency analysis method according to any one of claims 1 to 7 is implemented.

10. A readable storage medium having a computer program stored thereon, characterized in that: When the program is executed by a processor, the frequency analysis method according to any one of claims 1 to 7 is implemented.

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