70 results about "Stress variation" patented technology

The invention discloses a method for simulating a mold temperature field and curing deformation through finite elements and a mold optimization design method based on the method. The finite element analogue simulation method comprises the following steps: firstly, modeling and simulating a mold grid; secondly, calculating equivalent thermal and mechanical parameters of the composite material by adopting a multi-scale homogenization method; then, a heat conduction model of the mold and the composite material blade is constructed and coupled with the curing dynamic model through temperature, and mold temperature distribution is simulated; and finally, establishing a mold thermal expansion and curing stress coupling model, and predicting thermal deformation and stress change of the mold. By identifying the weak area of the mold in the simulation process, the mold is optimally designed. By improving a mold temperature field distribution simulation method, optimizing a grid modeling process and introducing an accurate calculation method of equivalent material parameters, the precision of mold design and the controllability of a curing process are effectively improved, so that the problem of inaccurate mold temperature field distribution and curing deformation prediction is solved.

The invention relates to the technical field of bridge bearing capacity evaluation, in particular to a bridge bearing capacity accurate evaluation method, which comprises the following steps: acquiring stress data and deflection data of each position of a bridge under different static loads, and acquiring vibration data of each position of the bridge under the application of a dynamic load; according to the data distribution change and fluctuation degree of each position of the bridge under different static loads, a bridge stress change abnormal value and a bridge deflection data change abnormal value are obtained in combination with nonlinear change characteristics of the data, so that an abnormal coefficient of bridge stress deformation is obtained; the method comprises the following steps: acquiring significant values of abnormal vibration of each position under a dynamic load, further obtaining a comprehensive deviation coefficient of each position under the action of multiple loads, calculating a vulnerability degree value of each position of a bridge, adjusting a grid size in a bridge finite element model construction process, and counting bearing capacity of the bridge under different loads based on the bridge finite element model. The accuracy of the evaluation result of the bridge bearing capacity can be improved.

The invention provides a mass flow meter measurement compensation method and system combined with pipeline stress perception, and relates to the technical field of instrument correction. The method comprises the steps that an original stress data set is obtained; constructing a stress characteristic parameter set; constructing a sensor parameter set; based on the stress characteristic parameter set and the sensor parameter set, calculating the stress variation of the pipeline in the axial direction, the radial direction and the torsion direction to obtain a stress variation data set; utilizing the stress change data set and the sensor parameter set to establish a coupling model of the pipeline stress change to the vibration frequency and the phase signal of the sensing pipe, and calculating a corrected mass flow value; according to the comparison result of the corrected mass flow value and the calibration point in the long-term operation process, a parameter optimization algorithm is applied to conduct self-adaptive adjustment on the coupling coefficient, and coupling model optimization is achieved. The technical problem of measurement deviation caused by external stress, structural deformation and dynamic load in the prior art is solved.

The invention belongs to the technical field of welding stress control, and discloses an inner floating disc splicing stress parameter optimization method and system. Real-time working condition information such as the construction stage, the accumulated stress level, the overall structure rigidity and field environment parameters is combined with a dynamic adjustment mechanism of a stress optimization priority set; therefore, the problem that global optimization control is difficult to realize under multi-target conflict, construction stage evolution, cumulative stress change and field environment disturbance is solved, and the effect of realizing continuous balance and global optimization control among the targets in the whole construction period is achieved.

The invention relates to a variable-width volute spiral spring design method and a volute spiral spring, and belongs to the technical field of volute spiral springs.The variable-width volute spiral spring design method comprises the steps that S1, polar angles corresponding to plane spiral lines at different arc length positions are determined; s2, determining curvature radiuses corresponding to the planar spiral lines at different polar angle positions; s3, according to different curvature radius parts, the initial section width of the volute spiral spring is designed; and S4, the initial width of the volute spiral spring is adjusted according to the ratio of the radius to the half thickness of different parts, and uniform distribution of bending stress is achieved. The core of the method is that a corresponding width change rule is designed according to a change rule of bending stress along with curvature radius disclosed by a curved beam theory. By means of the method, the maximum bending stress of all the sections can be equal, and therefore the bearing capacity and stability of the volute spiral spring are improved.

The invention relates to the technical field of weld joint vibration fatigue life evaluation, in particular to a weld joint vibration fatigue life evaluation method based on a simplified modal structure stress method. The method specifically comprises the following steps: establishing a simplified finite element model of a welding structure without welding seam details, and calculating a structural mode of the simplified finite element model; a modal coordinate time history is obtained according to the structural modal, and the modal structural stress at the weld toe is calculated through a linear difference value; superposing the modal coordinate time history and the weld toe modal structure stress to obtain a weld toe structure stress time history; obtaining the change range and cycle index of the structural stress according to the rain flow counting statistics of the structural stress time history at the weld toe; equivalent structure stress is calculated; and calculating by adopting a main S-N curve method to obtain a damage and fatigue evaluation result of the welding seam. The modal structure stress at the weld toe is calculated through the linear difference, weld joint details do not need to be established, the workload of finite element model establishment can be greatly simplified, the modeling complexity is reduced, and the modeling efficiency is improved.

The invention discloses a microwave-quantum sensing slope full-dimensional monitoring method and system, and relates to the technical field of slope monitoring, and the method comprises the steps: obtaining a multi-source monitoring data set of a slope, obtaining a displacement-stress coupling coefficient according to the correlation between a displacement variation and a stress variation, obtaining a stability index in combination with a data variance, and generating a characteristic factor; further obtaining a characteristic index under the geological category; according to the characteristic indexes and the stability indexes of the monitoring points, different indexes are obtained to classify the monitoring points, the observed quantity and the state quantity of the monitoring subareas of the to-be-processed points are obtained, and an observation error covariance matrix is calculated; then Kalman filtering is carried out, a denoised current state value and a predicted value at the next moment are obtained, a coupling coefficient and a stability index are combined as input, a landslide risk level is obtained through a multilayer radial basis network model, and an emergency scheme corresponding to the landslide risk level is given. According to the invention, the slope full-dimensional early warning is realized by combining the coupling relationship between the earth surface and the underground.

The invention relates to the technical field of bridge engineering, in particular to a bridge creep deformation prediction and control method, which comprises the following steps: establishing a bridge structure finite element model; determining key section positions of the upper and lower edges of the bridge structure, and installing stress test elements at the key section positions; monitoring and recording the stress change of the upper and lower edges of the key section position in real time in the construction process; parameters in the finite element model are adjusted according to actually measured stress data, so that the error between the stress difference between the upper edge and the lower edge of the finite element model and an actually measured value is controlled within 1.0 MPa; generating a prediction result by using the corrected finite element model, wherein the prediction result comprises the creep deformation amount and the creep deformation direction of the bridge structure in the later period; and reserving a fastener adjustment space according to a prediction result. The scheme is used for solving the defect that in the prior art, the later creep deformation of a large-span beam arch bridge is difficult to accurately predict, and high-precision prediction of the later creep deformation of a bridge structure and dynamic parameter optimization and adjustment in the construction stage are achieved.

The invention discloses an elastic reverse time migration imaging method based on deviatoric stress characterization, and relates to the technical field of exploration geophysics. Deviatoric stress is introduced into a conventional elastic wave equation, and a speed-deviatoric stress elastic wave equation describing stress propagation characteristics is obtained through derivation; based on Hooke's law, P wave contribution in total partial strain is removed through partial strain decomposition, decoupling of P-S wave stress components is achieved, and correctness of amplitude, phase and physical unit of a decoupling wave field is guaranteed; and then a joint imaging condition with the average stress as a seismic source wave field and the multi-stress component as a receiving wave field is constructed, PP waves are subjected to normalization superposition through the average stress and the deviatoric stress, and PS waves are subjected to shear stress imaging. According to the method, the sensitivity to heterogeneity and local stress variation of underground media can be remarkably improved, P-S wave crosstalk and imaging noise are effectively eliminated, the imaging precision and resolution of a complex geologic structure are greatly improved, and a reliable technical means is provided for high-precision seismic exploration of complex oil and gas reservoirs.

The present invention relates to the technical field of tunnel seismic resistance, and discloses a method for calculating the seismic fortification length of a tunnel portal section. The method comprises the following steps: determining the range of the tunnel portal section; collecting and analyzing the mechanical parameters of foundation beam units in the tunnel portal section to obtain statistical analysis results and random distribution functions of the mechanical parameters; establishing a finite element model of the spatial variation distribution of the tunnel portal section by using the statistical analysis results and the random distribution functions of the mechanical parameters; introducing a tunnel lateral deformation coefficient and an axial deformation coefficient, and obtaining a displacement change of the tunnel under an earthquake based on the finite element model; performing a stress-displacement analysis on the tunnel portal section to obtain a maximum bending stress change and a maximum axial stress change of the tunnel portal, and then analyzing the obtained and determined seismic fortification length of the tunnel portal section. The present invention helps to optimize the tunnel structure design and determine the seismic fortification length of the tunnel by analyzing the stress of the foundation beam unit and the displacement change under an earthquake.

A method of controlling stress variation in a layer including silicon oxycarbide formed using a capacitively coupled plasma enhanced chemical vapour deposition system. The method includes providing a chamber comprising a platen for supporting a substrate, placing a substrate, upon which a layer comprising silicon oxycarbide is formable, upon the platen, introducing a gas comprising oxygen into the chamber, introducing trimethylsilane gas into the chamber, generating a plasma within the chamber, maintaining a temperature at which deposition takes place to less than 275° C., maintaining a pressure within the chamber in the range 1.5-3 Torr, and depositing the layer upon the substrate with a deposition rate >1.5 μm / minute.

The present disclosure provides a kind of based on the method and device for evaluating the safety degree of power plant dust remover structure based on monitoring, by the load variation and stress variation of the middle column, side middle column and angle column of dust remover are monitored in real time, the stress response ability of each key structural component is calculated, to judge the health state of dust remover layer by layer.When the health early warning value is lower than the preset health threshold, the system will timely issue an early warning, help to identify structural abnormalities, so that maintenance personnel can make accurate decisions.The method realizes the accurate early warning and real-time monitoring of power plant dust remover, significantly improves the safety and operating efficiency of the equipment, and effectively guarantees the stable operation of power plant.

The present application relates to the technical field of structural mechanics analysis, in particular to a spreader saddle stress nephogram generation method and system, comprising the following steps: based on the spreader saddle regional cable segment force measurement and spatial geometric information, constructing the initial stress of the saddle body grid, obtaining the stress concentration rate distribution through homogenization and normalization, extracting the gradient mutation grid to form a sequence of demarcation points, and generating the saddle area nephogram in the HSV space mapping according to the non-uniform color scale. The present application can adaptively identify the area with the most severe stress change by introducing the analysis of stress concentration rate and its spatial gradient, and no longer relies on the fixed color scale division method, but uses the high gradient position as a dynamic anchor point to construct a non-uniform color scale sequence. The processing logic tilts the color scale resolution according to the real stress response of the structure, making the color transition in the stress concentration area more fine, and the stress peak and gradient form are clearly presented. At the same time, a wider color scale interval is used in the stress gentle area for general expression.

The application provides a pipeline stress-aware mass flowmeter measurement compensation method and system, relates to the technical field of instrument correction, and the method comprises the following steps: obtaining an original stress data set; constructing a stress characteristic parameter set; constructing a sensor parameter set; calculating stress change amounts of the pipeline in axial, radial and torsional directions based on the stress characteristic parameter set and the sensor parameter set, and obtaining a stress change data set; establishing a coupling model of pipeline stress change on sensor vibration frequency and phase signal by using the stress change data set and the sensor parameter set, and calculating a corrected mass flow value; and according to the comparison result of the corrected mass flow value and a calibration point in a long-term operation process, applying a parameter optimization algorithm to adaptively adjust the coupling coefficient, so that the coupling model is optimized. The technical problem of measurement deviation caused by external stress, structural deformation and dynamic load in the prior art is solved.

The present application relates to the technical field of structural stability analysis, and particularly relates to a support and hanger instability early warning method fusing stress and angle data, comprising the following steps: synchronously collecting real-time axial stress and spatial pitch angle of a support and hanger node to generate a time series data pair; calculating stress change rate and angle change rate; constructing a stress-angle deviation index; setting a dynamic threshold according to a real-time thermal displacement speed of a pipeline; when the stress-angle deviation index is greater than the dynamic threshold for a duration exceeding an early warning time window T, determining that the constraint is invalid and triggering early warning. Compared with a traditional monitoring method relying only on stress or displacement, the present application can effectively capture early coupling instability signs such as structural stiffness degradation, gap slip and thermal expansion constraint disorder, and realize high-sensitivity response to dynamic structural behavior.

The invention discloses a method for evaluating the fatigue performance of a pipe joint, which comprises the following steps of: establishing an equivalent calculation model of a pipe joint forming process and an equivalent calculation model of a rotating bending fatigue process, simulating the rotating bending fatigue process, and identifying to obtain the stress level Ai of a guide pipe and the pipe joint at 0 moment; and identifying the position of the maximum stress change point of the conduit and the pipe joint and the stress amplitude Bi of the point. According to the material equal-life curve and the S-N curve, obtaining a relation curve of stress levels and stress amplitudes of the guide pipe and the pipe joint with the fatigue life of the pipe joint within 10 million times, and extracting a stress amplitude Ci corresponding to the stress level Ai in the relation curve; if so; ci, evaluating that the pipe joint meets the fatigue life requirement; and if Bi is greater than or equal to Ci, evaluating that the pipe joint does not meet the fatigue life requirement. The bending fatigue performance can be simulated and predicted, the verification period of the rotating bending fatigue test is remarkably shortened, and the method has good practicability.

1. Name of the product in this design: Drilling stress gauge (6-sided). 2. Purpose of this design: To measure stress changes in three directions within a borehole. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The application discloses a method and device for simulating the influence of fracturing construction on ground stress, which comprises the following steps: obtaining the design parameters and perforation parameters of a fracturing well; establishing a hydraulic pressure joint expansion model according to the design parameters of the fracturing well; establishing a numerical model of the influence of fracturing construction on a stratum according to the hydraulic pressure joint expansion model and the perforation parameters; and determining the ground stress variation law of the stratum around the fracturing well according to the numerical model of the influence of fracturing construction on the stratum. The method has the beneficial effects that the hydraulic pressure joint expansion model is established according to the design parameters of the fracturing well, the numerical model of the influence of fracturing construction on the stratum is established in combination with the perforation parameters, the ground stress variation law of the stratum around the fracturing well is determined according to the numerical model of the influence of fracturing construction on the stratum, and thus the ground stress variation law of the stratum around the fracturing well in the fracturing process can be obtained, which provides technical support for revealing the mechanism of the drilling interference caused by fracturing, and enriching and perfecting the related theory.

The present application relates to the field of material science and engineering application technology, specifically to a kind of metal material thermal mechanical fatigue life fast prediction method based on hysteresis energy density.First, hysteresis curve is used to calculate hysteresis energy density, then the quantitative relationship between shape coefficient, stress variation range and plastic strain range between low cycle fatigue and thermal mechanical fatigue is used, to achieve the purpose of predicting thermal mechanical fatigue hysteresis energy density under the same mechanical strain amplitude by low cycle fatigue, finally, energy accumulation damage model is used to predict thermal mechanical fatigue life.The method carries out two groups of experiments for low cycle fatigue and thermal mechanical fatigue respectively, realizes the prediction of thermal mechanical fatigue life under different mechanical strain amplitudes by low cycle fatigue, establishes the correlation between low cycle fatigue and thermal mechanical fatigue by using the similarity between them in the process of cyclic loading, effectively reduces the experimental amount required for thermal mechanical fatigue life evaluation, and is applied to the thermal mechanical fatigue life prediction of high-temperature alloy and vermicular cast iron and other metal materials.

The application discloses a steel structure installation measurement method, which comprises the following steps: establishing and maintaining a hierarchical dynamic measurement reference system, wherein the system comprises at least one fixed first-level absolute reference and one second-level partition dynamic reference arranged on a body of an installed steel structure; arranging strain sensors at key positions of the steel structure to monitor stress changes of the components in the installation process in real time; taking the second-level partition dynamic reference as a reference, measuring the geometric pose of a component to be installed; meanwhile, comparing real-time stress data obtained in the second step with theoretical expected values; and coupling analysis is performed based on the geometric measurement result and the stress comparison result in the third step, including generating adjustment suggestions for the geometric pose of the component when the stress deviation exceeds an allowable threshold, so that the installation tends to be in a low-stress natural state; and the target pose of the component installation is a predicted installation shape obtained based on simulation analysis and calculation of a construction process, and the shape is an intermediate state of the structure after bearing subsequent loads and deforming to tend to a design shape.

The application relates to the field of traffic technology, in particular to a train modal optimization method. The train modal optimization method comprises the following steps: constructing a train coupling system total model based on structure parameters and operation parameters of a train; the train coupling system total model comprises a multi-body dynamics model for representing global vibration and a finite element coupling model for representing local stress variation; determining modal variables influencing each order modal according to the train coupling system total model; the modal variables refer to various influencing factors influencing the train modal; determining a modal optimization target and a modal lightweight constraint condition based on the maximum variable in the modal variables; performing topology optimization on a train structure topology based on the modal optimization target and the modal lightweight constraint condition to obtain an optimized modal variable; and optimizing the structure and material of the train based on the optimized modal variable. The train optimization modal optimization method can simultaneously reduce the weight and cost of the train.

The application relates to the technical field of material fatigue test, in particular to a structure fatigue testing machine. The structure fatigue testing machine comprises an operation table, the operation table is provided with symmetrically-distributed fixing frames, the fixing frames are slidably connected with symmetrically-distributed guide blocks, the guide blocks are rotatably connected with rotating shafts, the rotating shafts are fixedly connected with connecting plates, the connecting plates symmetrically and close to different fixing frames are fixedly connected with fixing shafts, the fixing shafts are fixedly connected with symmetrically-distributed T-shaped plates, the T-shaped plates are provided with equidistantly-distributed sliding grooves, the symmetrically and close sliding grooves of different fixing frames are jointly slidably connected with connecting pieces, and the connecting pieces are rotatably connected with symmetrically-distributed rollers. The position of the connecting piece on the adjacent sliding groove is adjusted, the bending degree of the two sides of the steel plate is continuously increased in the steel plate bending process, the connecting piece drives the roller to move to support and fix the multiple points of the steel plate, the stress of the two sides of the steel plate is uniform, and the accuracy of the stress change data of the middle part of the steel plate is ensured.

This invention relates to a method for expressing the physical properties of an elastic material when there is a change in strength in a plastic region. The method includes: a region setting step, wherein the region setting step defines a base region indicating the relationship between strain and stress in the first material and a variation region indicating the portion of stress change according to strain caused by factors induced by the pre-straining and heat treatment of the second material in a first material; and a simulation step, wherein the simulation step expresses the relationship between stress change and pre-strain in the variation region as a Boltzmann function, and derives the relationship between strain and stress in the second material as the sum of stresses according to strain in the base region and the variation region.

The invention relates to a weighing-free construction method for a flat-turning bridge based on an intelligent supporting leg device, which takes the intelligent supporting leg device as a core technical carrier, monitors the stress condition borne by a supporting leg in real time through a built-in stress sensor, and judges whether the stress state of a turning structure meets a locking condition or not; meanwhile, a stress sensor arranged in the intelligent supporting foot device is used for measuring and recording an initial stress value of the intelligent supporting foot device, and the initial stress value serves as basic data of follow-up analysis. Before a bridge rotates, temporary locking of the intelligent supporting foot device needs to be relieved, temporary constraint between an upper rotating disc and a lower rotating disc needs to be relieved, then the stress value of the supporting foot device is measured again, the measured value serves as a final stress value, and stress change data of the bridge structure in the constraint relieving state is obtained by comparing the difference between the initial stress value and the final stress value. The method has the advantages that through accurate stress measurement and scientific calculation analysis, under the condition that traditional balance weight weighing operation is not needed, accurate construction control over the swivel bridge is achieved, and safety and stability of the bridge swivel process are guaranteed.

The invention relates to a stress testing device and method for a tool bit of a large seabed trencher, and aims to accurately simulate complex stress conditions, including resistances under different working conditions, of the tool bit of the large seabed trencher in actual seabed excavation in an equal proportion of 1: 1. The device comprises a wheel type frame structure, a tool bit installation mechanism and a test system, the wheel type frame structure is made of high-strength alloy steel, the tool bit installation mechanism can adjust the installation height and angle of a tool bit and simulate different excavation working conditions, and the test system is provided with a piezoelectric or strain type force sensor and a data acquisition system. The method is used for monitoring stress and moment data of the tool bit in the excavation process in real time. According to the method, the servo motor drives the frame to rotate, so that the tool bit performs circular trajectory motion, excavation is performed layer by layer, and the stress change rule of different depths is analyzed. Compared with the prior art, the method has the advantages that the defects of a reduced scale model test are overcome, more reliable and accurate data support is provided for tool bit design optimization, and the method has remarkable engineering significance.

The invention relates to a bolt joint part model modeling method and device and a data management system, and the method comprises the steps: firstly determining the number of contact points in an influence region and a stress distribution diagram of radial change with a bolt center point as a starting point according to the pressure distribution condition in a contact surface of a bolt joint part; then, a bolt model is constructed in a point unit connection mode, and a fitting curve of contact stress changing along with the position is obtained according to the stress distribution diagram; a normalized form is adopted for the fitted curve, and the rigidity coefficient of each contact point is distributed according to the pressure distribution condition; and finally, calculating the actual contact rigidity value of each contact point according to the overall rigidity condition of the single bolt. The built joint part model considers the pressure distribution condition in the contact area, and accords with the stress distribution rule during actual bolt connection, so that the modeling precision is high. The rigidity coefficient of each contact point is distributed through normalization processing, the method can be suitable for different grid densities, and the model has good adaptability.

The invention discloses an aero-engine blade vibration finishing surface pressure stress measurement method, and relates to the technical field of aero-engine manufacturing, and the method comprises the following steps: firstly, in a calibration stage, carrying out vibration finishing on a blade and an N-type Almen test piece together, and measuring the stress variation of the blade surface by using an X-ray diffraction method; arc height values of the test pieces are measured synchronously, and a linear regression model between the two is established through multiple groups of data; subsequently, in the application stage, the pressure stress value generated by the vibration finishing process on the blade surface can be quickly calculated through the model only by putting the test piece into a finishing machine for simulation processing and measuring the arc height value of the test piece, and the defects that a traditional X-ray diffraction method cannot be used on site and cannot independently measure the stress value of a single process are overcome; a convenient, efficient and low-cost measurement means is provided, and key data support is provided for optimizing vibration finishing process parameters and improving blade fatigue performance.

This invention discloses a stress detection device and method for drilling steel products, belonging to the field of stress detection technology. It includes a stress mechanism for detecting the stress generated during drilling of steel products. The stress mechanism is equipped with a drilling mechanism and an actuation mechanism for drilling the steel products. The stress mechanism of this invention, by setting up upper and lower stress detection plates, can simultaneously monitor the stress changes on the upper and lower surfaces of the steel product during drilling, achieving real-time dynamic detection. Compared with traditional offline detection methods, it can promptly detect stress anomalies during processing. Through the linkage control of the trajectory wheel, half-tooth gear, and contact column, an automated process of rapid drill bit descent, slow drilling, and rapid retraction is achieved. During the processing section, the stress detection mechanism maintains stable contact, ensuring that drilling and stress detection are performed synchronously, resulting in more reliable data. The entire processing process has a high degree of automation, improving processing consistency and detection reliability.

The application discloses a design method and system of a V-shaped built-in high-speed permanent magnet rotor containing multiple magnetic isolation bridges, and comprises the following steps: obtaining stress analytical relations of a central magnetic isolation bridge, an intermediate magnetic isolation bridge and two side magnetic isolation bridges according to structural characteristics of the magnetic isolation bridges, geometric characteristics of pole shoe regions, force balance equations of the magnetic isolation bridges, geometric coordination conditions, material physical equations and load forms; performing calculation and analysis based on the stress analytical relations to obtain design parameters of the intermediate magnetic isolation bridge and stress variation laws of the central magnetic isolation bridge, the intermediate magnetic isolation bridge and the two side magnetic isolation bridges; and determining optimal design parameters of the intermediate magnetic isolation bridge based on the stress variation laws. The five-magnetic-isolation-bridge V-shaped permanent magnet rotor is adopted, the width direction of the intermediate magnetic isolation bridge is perpendicular to the pole shoe surface of the rotor at the position of the intermediate magnetic isolation bridge, the mechanical strength of the permanent magnet rotor structure is remarkably improved, and the maximum operating speed of the permanent magnet rotor is further improved.

This invention discloses a simulation analysis method and system for disc brakes, relating to the field of disc brake simulation analysis technology. It solves the technical problem in existing technologies where simulation models lack a quantitative benchmarking and correction mechanism with bench test data, relying heavily on manual experience to adjust parameters. Specifically, the system uses a simulation analysis platform as its core, communicating between the simulation model construction unit and the stress distribution detection unit. Through 3D modeling, multibody dynamics simulation, flexible body coupling, and bench test benchmarking and correction, a high-fidelity brake dynamics simulation model is established. Based on this model, automatic performance determination is performed under multiple operating conditions, including emergency braking, continuous braking, and repeated braking. Furthermore, through finite element contact analysis and stress cloud map identification, accurate detection of stress concentration areas, stress variation patterns, and deformation risks in the brake disc is achieved, ultimately forming a closed-loop analysis system encompassing "modeling—simulation—verification—correction—stress analysis—operating condition classification—risk warning."