A multi-time sequence dam structure simulation method, system and storage medium based on finite element

Abstract

The present invention provides a multi-time sequence dam structure simulation method, system and storage medium based on finite element, the method comprising the following steps: continuously collecting actual monitoring data and actual boundary environmental conditions of the dam; calculating finite element calculations through the current actual monitoring data, actual boundary environmental conditions and attribute information of the dam, obtaining the current finite element result file of the dam as the measured working condition result file, and storing it separately based on the current time node; updating the attribute information of the dam based on the current finite element result file of the dam; displaying the finite element result files of the dam corresponding to several consecutive time nodes and their change process. The present invention allows operation and maintenance personnel to quickly retrieve the finite element analysis results of the dam structure today in the system, and can quickly respond based on the existing results under emergency working conditions.

Description

Technical Field

[0001] The invention belongs to the technical field of dam simulation, and in particular relates to a multi-time sequence dam structure simulation method and system based on finite element and a storage medium thereof. Background Art

[0002] Finite element simulation technology plays an important role in the safety analysis of dam structures. It is a numerical method used to solve complex engineering problems such as structural mechanics, fluid mechanics, and heat conduction. In the safety of dam structures, it is often used for structural stability analysis, stress-strain analysis, seepage analysis, long-term performance, and disaster risk assessment. This method can better reflect the actual safety status of concrete dams. In addition, the three-dimensional dynamic finite element analysis method has also been proven to play an important role in evaluating the safety status of dams, especially in the safety assessment of dams in seismically active areas. In the finite element analysis method, linear static analysis and dynamic analysis are mainly used for dam structural safety. Among them, static analysis is mainly applicable to dam response under constant load conditions. Dynamic analysis is used to evaluate the response of dams under other dynamic load conditions such as earthquakes and rapid rise in flood water levels.

[0003] The commonly used technical methods for the finite element analysis model of dam structure are as follows:

[0004] (1) Construct a finite element model, which is divided into geometric model and material properties: Create a three-dimensional model based on the dam design drawings or BIM model, including the dam itself, foundation, surrounding soil and possible water. Specify the physical and mechanical properties of the actual construction materials of each model, such as elastic modulus, Poisson's ratio, density, tensile strength and shear strength of concrete, rock and soil.

[0005] (2) Finite element meshing: The dam structure and the surrounding environment are discretized into multiple small units, which can be two-dimensional (plane strain or plane stress) or three-dimensional. The size and shape of the unit are determined according to the required accuracy and computing resources.

[0006] (3) Apply appropriate boundary conditions (temperature, wind speed, sunshine intensity, reservoir water level, etc.) into the model for calculation.

[0007] (4) Use finite element software for solving. Commonly used software includes ANSYS, ABAQUS, Paraview, and Tecplot.

[0008] (5) Post-processing and result analysis of finite element results: mainly analyzing the output data, such as stress cloud diagrams, displacement vectors, safety factors, etc. Based on the results, the safety and performance of the structure are evaluated, and the design is adjusted or reinforcement suggestions are made if necessary.

[0009] (6) The analysis results are compared with the actual dam-related monitoring data to verify the validity of the model, and the parameters in (1) and the finite element mesh in (2) are readjusted according to the monitoring data until the finite element results are consistent with the actual results.

[0010] In the application of dam safety analysis, the current mainstream finite element analysis method has the following shortcomings and limitations:

[0011] (1) Model building is too professional. It requires users to have a very high foundation and understanding of structural mechanics. Therefore, it is difficult to promote and apply it among dam structure safety operation and maintenance personnel.

[0012] (2) High modeling cost. At present, dam structure analysis usually adopts a single analysis mode. The structural analysis of the same dam structure under different working conditions at different times is usually carried out in the form of a single bidding. Due to the large differences in understanding between different analysis institutions and different analysts, the analysis results are not coherent and consistent.

[0013] (3) Analysis is not timely under emergency conditions. Currently, finite element analysis requires re-drafting of parameters and grids. Even if the same analysts are conducting the analysis, they need to combine the changes in monitoring data between the last analysis process and the current analysis before starting the current analysis. The model can only be recalibrated before work can begin. This is time-consuming and the analysis results are not real-time.

[0014] Therefore, it is urgent to propose a finite element multi-time series dam structure result simulation preview system and its application that can solve the problems of long finite element model analysis time and poor result continuity. Summary of the invention

[0015] The purpose of the present invention is to solve the shortcomings of the above-mentioned background technology and to provide a finite element-based multi-time series dam structure simulation method, system and storage medium thereof, which allow operation and maintenance personnel to quickly retrieve the finite element analysis results of the dam structure today in the system and to respond quickly based on the existing results under emergency working conditions.

[0016] The technical solution adopted by the present invention is: a multi-time sequence dam structure simulation method based on finite element, comprising the following steps:

[0017] Continuously collect actual monitoring data and actual boundary environmental conditions of the dam;

[0018] The finite element results are calculated through the actual monitoring data, actual boundary environmental conditions and attribute information of the dam, and the current finite element result file of the dam is obtained as the actual working condition result file, and is stored separately based on the current time node;

[0019] Update the dam's attribute information based on the dam's current finite element result file;

[0020] Display the dam finite element result files corresponding to several consecutive time nodes and their changing process.

[0021] The above technical solution also includes the following steps: based on the dam finite element result file at the specified time node and the preset boundary environmental conditions, through finite element calculation, a multi-time series and continuous dam finite element result file with the specified time node as the starting point under the preset boundary environmental conditions is obtained, and it is stored and displayed as a predicted working condition result file.

[0022] In the above technical solution, the predicted operating condition result file is stored separately based on the corresponding preset boundary environmental conditions and time nodes.

[0023] The above technical solution also includes the following steps: synchronously displaying the measured working condition result file and the predicted working condition result file based on different time nodes and preset boundary environmental conditions.

[0024] In the above technical solution, the measured working condition result file and the predicted working condition result file respectively include a boundary environment condition file, a dam section result file and an attribute information file; the dam section result file includes a monitoring point history file, a structural component field instantaneous file and a structural characteristic value summary file.

[0025] In the above technical solution, both the measured working condition result files and the predicted working condition result files are stored in a database; the database includes: a primary directory, which is a general directory; a secondary directory, including a boundary environment condition folder, a dam section result folder and an attribute input folder;

[0026] The third-level directories under the boundary environment condition folder and the dam section result folder include the measured working condition result folder and the predicted working condition result folder;

[0027] The fourth-level directory under the boundary folder sets folders in each folder of the third-level directory according to the set time period; the fifth-level directory under the boundary folder stores the boundary environment condition files in the measured or predicted working condition result files at the corresponding time according to the time period and file type of the upper-level directory.

[0028] The four-level directory under the dam section result folder is divided into monitoring point history folder, structural component field instantaneous folder and structural characteristic value summary file in each folder of the third-level directory; the fifth-level directory under the dam section result folder sets folders according to the set time period in each folder of its fourth-level directory; the sixth-level directory under the dam section result folder stores the monitoring point history file, structural component field instantaneous file or structural characteristic value summary file in the measured or predicted working condition result file at the corresponding time according to the time period and file type of the upper directory;

[0029] The three-level directory under the attribute input folder is divided into attribute folder and monitoring history file; the attribute folder stores the attribute information file in the current test condition result file; the monitoring history file is used to store the current actual monitoring data.

[0030] In the above technical solution, the file names of all files in the predicted working condition result folder use identifiers to identify the preset boundary environment conditions corresponding to the files;

[0031] In the file names of all files in the folder of measured working condition results and the folder of predicted working condition results, time characters are used to identify the corresponding time nodes;

[0032] The file names of all files in the dam section result folder use numbered characters to indicate the dam section number to which the file corresponds.

[0033] The above technical solution also includes the following steps: obtaining external input instructions, identifying the time nodes, boundary environmental conditions and dam section numbers in the instructions, and querying the database based on the corresponding identifiers, time characters and number characters to find and display the dam finite element result files that meet the input instructions.

[0034] The present invention provides a finite element-based multi-time sequence dam structure simulation system, which is used to implement the finite element-based multi-time sequence dam structure simulation method described in the above technical solution.

[0035] The present invention also provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the multi-time sequence dam structure simulation method based on finite elements described in the above technical solution is implemented.

[0036] The beneficial effects of the present invention are as follows: in order to solve the problem that finite element analysis is not timely under emergency working conditions, the present invention continuously calculates the finite element results of the dam at a high frequency, continuously updates the physical parameters and monitoring data, shortens the time required for inversion parameters of the dam structure under emergency working conditions, and speeds up the analysis. At the same time, the present invention updates the attribute information in the subsequent finite element calculation process based on the real-time updated finite element calculation results, and ensures the accuracy of the finite element calculation results of multiple time series.

[0037] In view of the problem that the current dam structure analysis is usually carried out once or in a single time period, the results are not continuous, and the analysis results are not coherent and consistent, the present invention combines finite element calculation services to build a continuous finite element analysis result storage and display system for the dam from casting to operation and maintenance period, ensuring the consistency and stability of the finite element analysis results.

[0038] In order to solve the problem that model building requires too much expertise and high requirements for analysts, the present invention encapsulates the finite element analysis process into a computing service and performs it in an automatic calling manner. Users do not need to intervene in or understand the analysis process and can directly view and use the analysis results.

[0039] Furthermore, the present invention stores finite element result data of different working conditions at different times separately, so that the finite element data of the specified working condition at the specified time can be directly called in subsequent calculations, thereby improving the efficiency and accuracy of subsequent finite element calculations.

[0040] Furthermore, based on the need to distinguish between working conditions, time and dam structure, the present invention designs the storage structure and naming rules of finite element boundary files and result files, forms a database table, and classifies and stores the calculation results of working conditions at different times, which is convenient for subsequent query and prediction of working condition calculations, provides data support for the display and analysis of multi-time series dam finite element structures, and improves the efficiency of the finite element calculation process.

[0041] Furthermore, the present invention distinguishes result data of different working conditions, different times and different dam sections through unique identification characters, which facilitates data storage and also facilitates identification and calling of subsequent calculations, thereby improving the efficiency and accuracy of subsequent finite element calculations.

[0042] Furthermore, the present invention can receive preset boundary environmental conditions through external input instructions, and based on the historical calculation results in the database, realize the calculation and analysis of multiple working conditions, and then realize the display of finite element preview results of the dam under different conditions, providing strong data support for the safety analysis of the dam. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a schematic diagram of the method flow of the present invention;

[0044] Figure 2 It is a schematic diagram of multi-time series finite element simulation of the present invention;

[0045] Figure 3 It is a schematic diagram of the classification and relationship of the finite element working conditions of the present invention;

[0046] Figure 4 A schematic diagram of the suffix and naming convention for the storage format of the finite element result file of the present invention;

[0047] Figure 5 A schematic diagram of setting boundary conditions for a prediction operating condition list in a specific embodiment;

[0048] Figure 6 It is a preview of the summary result display diagram of multi-time series finite element eigenvalues ​​in a specific embodiment;

[0049] Figure 7It is a display diagram of the finite element component field of a multi-time series dam in a specific embodiment;

[0050] Figure 8 It is a diagram showing the instantaneous results of the finite element component field of the dam structure in a specific embodiment;

[0051] Fig. 9 It is a display diagram of the process line of the measuring point data history file in a specific embodiment.

[0052] Fig.10 It is a comparison diagram of the component fields of the dam section structure working conditions under different time sequences and boundary conditions in a specific embodiment. DETAILED DESCRIPTION

[0053] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not constitute a limitation on the present invention.

[0054] like Figure 1 As shown, the present invention provides a multi-time sequence dam structure simulation method based on finite element, comprising the following steps:

[0055] Continuously collect actual monitoring data and actual boundary environmental conditions of the dam;

[0056] The finite element results are calculated through the actual monitoring data, actual boundary environmental conditions and attribute information of the dam, and the current finite element result file of the dam is obtained as the actual working condition result file, and is stored separately based on the current time node;

[0057] Update the dam's attribute information based on the dam's current finite element result file;

[0058] Display the dam finite element result files corresponding to several consecutive time nodes and their changing process.

[0059] The present invention also provides a multi-time sequence dam structure simulation system based on finite elements, comprising a database, a service port and a finite element calculation module, to implement the multi-time sequence dam structure simulation method based on finite elements.

[0060] The principle of the present invention is further explained below with reference to specific embodiments.

[0061] The working condition described in the present invention refers to the dam structure condition displayed by the finite element components and eigenvalues ​​obtained by the finite element analysis method for a specific dam structure at a specific time and under specific environmental boundary conditions. The present invention combines historical monitoring instrument data and the finite element grid model of the dam to perform parameter inversion starting from the dam pouring period. During the whole process, several historical inversion working conditions will be generated until the working condition moment reaches the current time.

[0062] After reaching the current time, according to the method and system of the present invention, the measured working conditions can be automatically calculated every day in the form of automatic execution service. The measured working conditions reflect the actual working conditions of the dam structure in real time. From the working conditions of the dam at historical moments to the measured working conditions calculated at fixed moments every day, they together constitute a multi-time sequence scene that can represent the structural state of the dam from history to the current moment.

[0063] like Figure 2 As shown in the figure, the time sequence that can reflect the real working condition of the dam structure develops and changes along the measured working condition. From the working condition on October 8 to the measured working condition on October 12. The finite element calculation of the measured working condition will automatically start at the current set time of each day by bringing in the boundary environmental conditions and monitoring data at that time, and finally form the finite element measured working condition results.

[0064] In addition, starting from the finite element measured working conditions at any time, and bringing in the assumed environmental boundary conditions at a certain time in the future, the process can be developed along a hypothetical future multi-time series process, and the assumed boundary conditions can be used to calculate the possible working conditions of the dam structure under the time series conditions.

[0065] On October 10, there may be multiple working condition results according to different boundary conditions, among which the measured working condition represents the real result of the dam. Prediction condition A, prediction condition B, and prediction condition C are time series prediction conditions with the water level dropping by 1m from October 8, rising by 3m from October 10, and rising by 5m from October 10. By constructing multi-time series process dam finite element result working condition scenarios under different boundary conditions, the future finite element working condition preview simulation function of the dam is realized based on the measured time series finite element working condition representing the real state of the dam.

[0066] exist Figure 3 In the invention, on the basis of multiple time series settings, the working conditions are divided into two categories: the measured working conditions representing the actual state of the dam, and the predicted working conditions which are deduced based on the measured conditions and certain assumed conditions and can reflect the state of the dam at a certain time in the future.

[0067] After calculation, the measured working conditions and predicted working conditions will be stored in the database as the historical working conditions of the dam structure for users to query.

[0068] The service port of the system of the present invention is used to receive input instructions, including query instructions and preset boundary conditions. The service port calls corresponding files in the database based on the input instructions, and displays them after finite element calculation through the finite element calculation module.

[0069] Specifically, the database of the present invention sorts out the environmental boundary conditions required for the finite element calculation of the dam structure, including the water level before the dam, the water level after the dam, the temperature, the wind speed, and the light intensity, and sorts out the boundary condition file content and name naming regulations; based on the finite element post-processing results, the multi-time series finite element result files and file name formats are agreed upon and stored and designed. The finite element result file time series types are distinguished, including the measured working conditions under the historical measured boundary conditions and the predicted working conditions under the assumed / estimated boundary conditions.

[0070] According to the rules, the file suffixes and file name composition rules of boundary files, finite element component field result files, finite element component feature summary files and measurement point simulation monitoring value history files under different types of working conditions are agreed upon to form different working condition types and file types, and based on different working condition types and file types, the storage structure of all files and the corresponding database index storage table structure design are agreed upon.

[0071] Based on the requirements of distinguishing working conditions, time and dam structure, the storage structure and naming rules of finite element boundary files and result files are designed as follows: Figure 4 As shown. Among them:

[0072] The first-level directory digital_twin folder is the general directory of the entire system;

[0073] The secondary directory includes the boundary condition folder (boundary_condition), the dam section result folder (x#dam, where x is the dam section number) and the attribute input folder (input_source).

[0074] The third-level directories of the boundary condition folder (boundary_condition) and the dam section result folder (x#dam, where x is the dam section number) include the measured operating condition result folder (01_Early_warning) and the predicted operating condition result folder (02_Forecasting). The operating condition types are mainly distinguished through this level of directory.

[0075] In the fourth level directory and later directories,

[0076] The boundary condition folder (boundary_condition) is further subdivided into two levels: in the fourth-level directory, the year is distinguished, and the boundary condition files at different times are divided based on different years. In the fifth-level directory, different boundary condition files are stored. The file suffix and naming rules stipulate that in the measured working condition result folder (01_Early_warning), the boundary condition file is named Y_N_S.Wbc, where Y is a double-precision integer year ordinal, N is a double-precision integer day ordinal (1 year 365 / 366 days), and S is a double-precision real second ordinal (1 day 86400s); in the forecasting working condition result folder (02_Forecasting), the boundary condition file is named Y_N_S_UID.Fbc. In addition to the same representative time as the measured working condition boundary, UID is added as a unique identifier. It is used as a unique identification of the forecast working condition under different forecast setting boundary conditions at the same time.

[0077] The dam section result folder (x#dam) is further subdivided into three levels: in the fourth-level directory, it is divided into Course (monitoring point history file), Instant (structural component field instantaneous file) and Abstract (structural characteristic value summary file). In the fifth-level directory, the result files are classified based on different years. In the sixth-level directory, the measurement point history files, structural component field instantaneous files and structural characteristic value summary files in the working condition results are stored separately. The specific file naming rules are shown in Table 1. Among them, the naming rules of the file name are the same as the naming rules of the corresponding working condition boundary files. However, in the predicted working condition results, the UID in the file name needs to be consistent with the UID in the boundary condition file name used for the corresponding working condition calculation. During the entire multi-time series preview process, UID is used as the index key to associate and query all working condition data.

[0078] The attribute input folder (input_source) is further subdivided into two levels: in the attribute folder (attribute folder), it is mainly used to store the thermal, mechanical, deformation parameter information of the dam section material, the unit group information, and the default parameters are obtained by the previous inversion simulation analysis. In the input monitoring history folder (monitor_source), the measured monitoring data files of the typical measuring points on the dam section are mainly stored, which are used to calibrate and modify the parameters during the finite element analysis process to ensure that the finite element model can always maintain a high accuracy during the automatic operation. The naming rule of each file is A_ID_XX. Among them, A represents the integer dam section number, ID is the number of the node of the finite element model position corresponding to the typical measuring point of the dam section, and XX is a character, which can be: Tm, Ux, Uy, Uz, Sx, Sy, Sz, Kd, ​​where Tm represents the temperature measuring point, Ux / Uy / Uz / represents the displacement measuring point, Sx, Sy, Sz represents the stress measuring point; Kd represents the opening measuring point. For example, 10_1357_Tm means that a thermometer is arranged at the position of node 1357 on the model of the 10# dam section, and this file stores the measured data of the thermometer at this position.

[0079] The naming rules of this specific embodiment are shown in Table 1 to Table 4:

[0080] Table 1 Naming rules of finite element result files

[0081]

[0082] Table 2 Boundary condition file format

[0083]

[0084] Table 3 Finite element component field instantaneous result file

[0085]

[0086]

[0087] Table 4 Measurement point data history file

[0088]

[0089]

[0090] Table 5 Structural feature value summary file format

[0091]

[0092] After constructing the database, the present invention designs and develops calculation and storage services for finite element component fields and component eigenvalue results under different working conditions based on the determined finite element result structure design and preview simulation requirements and based on the above database directory and naming rules.

[0093] Specifically, the service port designed by the present invention stores the boundary conditions such as reservoir water level, air temperature, wind speed, etc. in the received external input instructions in the boundary condition file directory corresponding to the database to generate a corresponding boundary condition file based on the boundary condition file related rules determined by the database. Based on the generated boundary condition file, the service port further calls the boundary condition file to obtain the boundary condition data therein, and calls the calculation program in the finite element calculation module to perform finite element calculation of the dam structure. After the calculation is completed, the calculated result file is stored in the corresponding result file directory in the database.

[0094] Preferably, the result file directory is monitored, and based on the working condition type and the calculation working condition time, the file path index is recorded, and the component characteristic values ​​and the measurement point simulation history data in the result file are read and stored in the corresponding database table.

[0095] The service port designed in the present invention is also used to query qualified finite element result data in the database according to the input working condition type, time period and dam section number, and to design and implement relevant background service interfaces to realize the simulation display of multi-time series finite element results in a three-dimensional scene.

[0096] Specifically, after receiving the query command input from the outside, the service port first queries the finite element condition calculation records in the database table based on the time period, and then queries the dam section number contained in the calculation record. According to the record ID and dam section number, the qualified eigenvalue records and finite element component field result file path are jointly queried. Then, according to the returned finite element condition details, the finite element condition data is organized, the finite element result file download path is formed, and the result file is downloaded to the local computer, and brought into the finite element three-dimensional scene for display.

[0097] Furthermore, the present invention realizes the display of dam finite element preview results under different conditions according to different working condition types, and displays the content of structural finite elements in combination with different working condition display conditions; at least including the comparison of finite element component field results under different working conditions, dynamic changes of multi-time series finite element component fields, and thematic analysis display of dam structural parts.

[0098] Based on the above working conditions, storage files and service ports, such as Figure 1 As shown, the multi-time series finite element preview simulation process implemented based on the present invention is as follows:

[0099] Step 1: Generate the boundary condition files required for calculation and update the monitoring data files.

[0100] Step 1.1, query and obtain the environmental quantity information corresponding to the working condition and calculate the dam section number.

[0101] For the predicted working conditions, external instructions are input through the service port, and then the set relevant environmental values ​​are introduced to generate the boundary condition file in the format of Table 2.

[0102] For the actual working conditions, the environmental quantity data at the working time can be brought in based on the automated program to generate a boundary condition file in the format of Table 2.

[0103] The boundary condition file is generated in the boundary_condition folder directory according to the working condition type. The name of the measured working condition boundary condition file uses the time as the unique identifier, and the predicted working condition boundary condition has a unique UID in the file name as an identifier.

[0104] Step 1.2, update the monitoring history data file. According to the input calculation dam section number, obtain the corresponding dam section result file in the corresponding dam section result file directory. Generate the monitoring data history file in the monitor_source monitoring history folder.

[0105] Step 2: Based on the background service, the finite element calculation program performs calculations for the current working conditions.

[0106] Specifically, according to the actual working conditions, finite element calculations are performed based on the current dam section result file, monitoring data history file, attribute information file and actual boundary condition file.

[0107] According to the predicted working conditions, finite element calculation is performed based on the current dam section result file, monitoring data history file, attribute information file and preset boundary condition file.

[0108] Step 3: After the calculation is completed, the finite element result file of the working condition is stored. The result file includes the instantaneous file of the structural component field, the history file of the monitoring point and the summary file of the structural characteristic value. The file content format is shown in Table 3, Table 4 and Table 5.

[0109] Step 3.1, the generated measured working condition result file is stored in the 01_Early_warning folder, and the time is used as the file name to distinguish;

[0110] The forecasting result files are stored in the 02_Forcasting folder, and the moment number in the file name and the UID in the corresponding boundary condition file name are used as identification conditions. Both types of conditions store corresponding file index records in the database.

[0111] Step 3.2, the query of the measured working condition uses the working condition type, dam section number and working condition time as the query conditions. The queried working condition list can be loaded into the three-dimensional scene as a multi-time series scene for query display. The query of the predicted working condition uses the time series record of the boundary condition as the parameter for query, such as Figure 5 shown.

[0112] Step 4: Load the finite element component field result file of the working condition in the three-dimensional scene, and realize the finite element structure preview simulation of the dam structure under multiple time-series working conditions by dynamically playing the multi-time series data and comparing the difference between the two working condition results. Figure 6-10 .

[0113] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

Claims

1. A multi-time sequence dam structure simulation method based on finite element, characterized by: The following steps are involved: Continuously collect actual monitoring data and actual boundary environmental conditions of the dam; The finite element results are calculated through the actual monitoring data, actual boundary environmental conditions and attribute information of the dam, and the current finite element result file of the dam is obtained as the actual working condition result file, and is stored separately based on the current time node; Update the dam's attribute information based on the dam's current finite element result file; Display the dam finite element result files corresponding to several consecutive time nodes and their changing process; Based on the dam finite element result file of the specified time node and the preset boundary environment conditions, a multi-time series and continuous dam finite element result file with the specified time node as the starting point under the preset boundary environment conditions is obtained through finite element calculation, and is stored and displayed as a predicted working condition result file; The measured working condition result files and the predicted working condition result files are stored in a database; the database includes: a first-level directory, which is a general directory; a second-level directory, including a boundary environment condition folder, a dam section result folder, and an attribute input folder; The third-level directories under the boundary environment condition folder and the dam section result folder include the measured working condition result folder and the predicted working condition result folder; The fourth-level directory under the boundary folder sets folders in each folder of the third-level directory according to the set time period; the fifth-level directory under the boundary folder stores the boundary environment condition files in the measured or predicted working condition result files at the corresponding time according to the time period and file type of the upper-level directory; The four-level directory under the dam section result folder is divided into monitoring point history folder, structural component field instantaneous folder and structural characteristic value summary file in each folder of the third-level directory; the fifth-level directory under the dam section result folder sets folders according to the set time period in each folder of its fourth-level directory; the sixth-level directory under the dam section result folder stores the monitoring point history file, structural component field instantaneous file or structural characteristic value summary file in the measured or predicted working condition result file at the corresponding time according to the time period and file type of the upper directory; The three-level directory under the attribute input folder is divided into attribute folder and monitoring history file; the attribute folder stores the attribute information file in the current test condition result file; the monitoring history file is used to store the current actual monitoring data.

2. The multi-time sequence dam structure simulation method based on finite element according to claim 1 is characterized in that: The predicted operating condition result file is stored separately based on the corresponding preset boundary environmental conditions and time nodes.

3. The multi-time sequence dam structure simulation method based on finite element according to claim 1 is characterized in that: The following steps are also included: The measured working condition result files and the predicted working condition result files based on different time nodes and preset boundary environment conditions are displayed simultaneously.

4. The multi-time sequence dam structure simulation method based on finite element according to claim 3 is characterized in that: The measured working condition result file and the predicted working condition result file respectively include a boundary environment condition file, a dam section result file and an attribute information file; the dam section result file includes a monitoring point history file, a structural component field instantaneous file and a structural characteristic value summary file.

5. The multi-time sequence dam structure simulation method based on finite element according to claim 4 is characterized in that: The file names of all files in the prediction condition result folder use identifiers to identify the preset boundary environment conditions corresponding to the files; In the file names of all files in the folder of measured working condition results and the folder of predicted working condition results, time characters are used to identify the corresponding time nodes; The file names of all files in the dam section result folder use numbered characters to indicate the dam section number to which the file corresponds.

6. The multi-time sequence dam structure simulation method based on finite element according to claim 5 is characterized in that: The method also includes the following steps: obtaining external input instructions, identifying the time nodes, boundary environmental conditions and dam section numbers in the instructions, and querying the database based on the corresponding identifiers, time characters and number characters to find and display the dam finite element result files that meet the input instructions.

7. A multi-time sequence dam structure simulation system based on finite element, characterized in that Used to implement the finite element-based multi-time sequence dam structure simulation method described in any one of claims 1-6.

8. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the multi-time sequence dam structure simulation method based on finite element described in any one of claims 1 to 6 is implemented.

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