277 results about "Software simulation" patented technology

The invention discloses a deep learning-based staged tension prestress long-term loss prediction method, which belongs to the field of deep learning, solves the problem of poor prediction result robustness of a traditional prestress measurement method, and comprises the following steps: obtaining bridge original data based on a standard drawing set and a bridge design specification; based on the construction environment conditions and the concrete age, concrete material attributes are calculated; based on bridge original data and concrete material attributes, finite element software is used for simulating prestressed reinforcement staged tensioning processes under different working conditions, and a bridge prestressed reinforcement staged tensioning loss data set is generated; and constructing a prestress loss prediction model based on the multi-layer perceptron neural network, processing the staged tensioning loss data set of the bridge prestressed reinforcement based on the prestress loss prediction model, and outputting a prediction result of long-term loss caused by shrinkage and creep of the prestressed reinforcement. According to the method, the stress loss of the prestressed reinforcement can be effectively predicted, and the prediction robustness and accuracy are improved.

The invention relates to a software and hardware co-simulation chip verification method, system and device and a storage medium, and relates to the field of software and hardware co-simulation. The method is based on a hyperSemu system comprising an hsComple and an hsRun and an FPGA (Field Programmable Gate Array) comprising a DUT (Device Under Test) and a Transactor. The method comprises the following steps of: writing an RTL (Real Time Language) design code of a chip; compiling the RTL design code by utilizing hsCompile to obtain a DB file; downloading the DB file to an FPGA (Field Programmable Gate Array) through hsRun so as to carry out hardware simulation; according to the DUT and the Transactor, a Hybrid server program and a Hybrid client program are written, and the Hybrid client program comprises a simulator program and a Linux system; and performing software simulation in the Linux system according to the DUT and the simulator program. The technical effect of the invention is that the efficiency and speed of chip simulation verification are improved.

The invention relates to the technical field of software simulation operation simulation, and discloses a software logic simulation operation control method and system in an audio processor. The control method is applied to logic simulation operation control equipment and specifically comprises the following steps that S101, an audio processor simulation operation request sent by a user side is received, a graphical user interface is generated according to the operation request, and the graphical user interface comprises a logic module list area, a design editing area, an attribute bar and an information display area; and the user side drags an icon of a logic circuit element from the logic module list area to the design editing area. Through a highly integrated graphical interface and intelligent interactive design, the design and simulation efficiency of an audio processor logic circuit is remarkably improved, and by adopting a'drag-and-generate 'module instantiation mechanism, an attribute bidirectional real-time synchronization technology and visual connection and signal type inspection, the reliability of the audio processor logic circuit is greatly improved. Therefore, the user can intuitively and quickly construct the complex circuit topology, and the professional threshold is greatly reduced.

The invention provides an automatic simulation test system and method for a semiconductor EAP system, and belongs to the field of semiconductor manufacturing, and the method specifically comprises the steps: defining a test scene through test case coding; constructing a test environment by using the equipment simulation module and the external system simulation module; driving a test process of the tested EAP program through an automatic execution engine and generating real-time output data corresponding to the tested EAP program; and comparing the real-time output data generated by the automatic execution engine with an expected result, and generating a test report. According to the processing scheme, behaviors of equipment and an external system are truly simulated in a software simulation mode, an actual production scene is accurately restored in a test link, dependence on a physical environment is reduced, and test coverage is improved; and moreover, the test scene is solidified through codes and configuration files, so that the versioning management and one-key automatic regression test of the test cases are realized, the test efficiency is remarkably improved, and the quality of secondary development is guaranteed.

The invention provides a bridge cable structure post-fire assessment method based on a long short-term memory network, and the method comprises the following specific steps: firstly, analyzing an existing bridge fire damage case, and obtaining the damage data of a lower cable structure and a field working condition; combining Pyrosim software modeling to analyze the temperature field condition of the cable structure under the design working condition, and obtaining a temperature field distribution rule; combining Ansys software to establish a bridge cable structure stress field model, and obtaining a stress field distribution rule; analyzing the temperature field condition of the cable structure under the action of each influence factor in combination with the expansion of a Matlab long-short-term memory network; carrying out a steel wire high-temperature stress coupling effect simulation test to obtain temperature-tensile strength curves under different temperature conditions; and calculating and evaluating the safety of the single steel wire and the whole cable of the cable. On the basis of the current research situation of the bridge cable, combined analysis of software simulation and a high-temperature stress coupling test is adopted, the damage rule of the bridge cable structure after a fire disaster is obtained based on a long-short-term memory network, and the cable state is evaluated.

The invention relates to the technical field of satellite communication simulation, and discloses a satellite communication network simulation system and method. The system comprises a data processing module used for generating a contact plan based on DTN satellite network configuration and constructing a configuration file according to configuration parameters specified by a user; determining real-time positions and connection relations of nodes in a simulation period, and generating a multi-dimensional visual chart based on simulation result data; the simulation module is used for performing software simulation in a simulation period according to the configuration file and the contact plan, simulating data transmission among nodes in the satellite network topology and outputting simulation result data in real time; the visualization module is used for creating a multi-track animation and a dynamic topological graph based on the real-time position and the connection relation; and displaying the multi-track animation, the dynamic topological graph and the visual chart on a result interface. By means of the system, DTN network satellite communication simulation which is low in cost, easy to operate, efficient and multi-dimensional can be achieved, and the decision-making efficiency of technicians is improved.

The invention relates to a process forming method for a large thick-wall special-shaped curved surface carbon steel stainless steel shell. According to the process forming method, it is ensured that the high-precision molded surface size of the special-shaped curved surface shell is achieved in the forming process through multi-link optimization control. On the basis of allowance amplification optimization of three-dimensional modeling and expansion, by combining numerical control cutting and leveling processes, simulating a cutter pressing line path through software, and performing trial-manufacturing verification by using equal-proportion sample pieces; line-by-line and tool-by-tool pressing and two times of shaping inspection are adopted in the step-by-step pressing process, and the local deformation amount is corrected in real time; in the pre-assembly stage, the goodness of fit of assembly lines is ensured through three-dimensional lofting and scribing and tool positioning, and welding thermal deformation and residual stress are effectively controlled in cooperation with anti-deformation tool welding and aging treatment. Digital simulation, parameter iterative optimization, process error compensation and mechanical stability control are fused in the whole process, so that the profile precision of the shell meets the design requirement in the cold forming stage, and relying on machining correction is avoided.

The invention discloses a single-stroke breakpoint-free path planning method for a 3D printing variable-wall-thickness honeycomb structure, and the method comprises the following steps: determining the stress distribution condition of an equal-wall-thickness honeycomb structure continuous carbon fiber reinforced silicon carbide ceramic-based composite material through software simulation, and determining a weakest region and a weakest region; variable-wall-thickness honeycomb printing is arranged in the weakest area and the weaker area; the side length and the offset distance of the honeycomb unit are determined, and a 3D printing path is set, specifically, the odd-number-layer path is different from the even-number-layer path, the outer contours of the honeycomb unit are sequentially printed in the vertical direction through the odd-number-layer path, the honeycomb unit does not completely pass through each honeycomb wall of the honeycomb structure, and the honeycomb structure is not completely formed after printing is completed; and when the next even-numbered layer is printed, missing honeycomb walls of the upper odd-numbered layer are passed twice, so that the missing honeycomb walls are complemented, and a complete variable-wall-thickness honeycomb structure is formed. According to the method, weak spots are effectively strengthened in a targeted mode, the material is not prone to damage, and the mechanical property is remarkably improved.

The invention discloses an industrial simulation control method and system based on natural language driving, and belongs to the technical field of industrial simulation. According to an existing industrial simulation control scheme, how to transmit simulation parameters into simulation software is not disclosed, and setting of simulation instructions cannot be completed. According to the industrial simulation control method based on natural language driving, a natural language instruction input by a user is analyzed by constructing a simulation language recognition model, an interaction channel creation model and an instruction mapping model, and a simulation driving channel is established between industrial simulation software and the simulation language recognition model; standardized transmission and cross-platform data interaction of data and commands are realized, and instruction transmission and data sharing are facilitated; and further based on the instruction protocol conversion relationship, the operation command is converted to obtain the execution message, so that automatic setting of different software simulation instructions can be realized, the compatibility and integration problems among different simulation platforms are effectively solved, and the user experience is improved.

The invention relates to the technical field of satellite-borne edge computing and simulation, and provides a satellite-borne edge computing task unloading semi-physical simulation system. Comprising a physical satellite-borne edge computing device, a software virtual satellite-borne edge computing device, a ground user device, a space environment simulator, a container and cloud management base, a resource data distribution module and a task unloading scheduling module. The physical satellite-borne edge computing device and the software virtual satellite-borne edge computing device jointly construct a cloud side end cooperative computing cluster, the ground user device is used for initiating a computing task request, the space environment simulator is used for simulating spatial network characteristics, and the container and the cloud management base are used for achieving all-node unified management and control. The resource data distribution module is used for issuing and subscribing node resources and environment information, and the task unloading scheduling module is used for executing a task unloading decision. The problems that in the prior art, on-orbit verification cost is high, a pure software simulation environment is distorted, algorithm credibility is insufficient, and a satellite-borne data set is scarce are solved.

The invention relates to the technical field of industrial automation control, and provides a method and system for achieving online simulation of an HMI simulator, and the method comprises the steps: monitoring the starting and offline simulation process of an original HMI programming software simulator, and confirming that the original HMI programming software simulator completes the generation of a configuration file; receiving a mode switching instruction of a user through the mode switching interface; in response to the mode switching instruction, terminating the current simulator process; modifying a configuration file generated by the simulator, modifying an operation mode parameter in the configuration file from a first value representing offline simulation to a second value representing online simulation, and dynamically configuring a communication port parameter; the verification information of the configuration file is updated to ensure the legality of the file; and restarting the simulator, and loading the modified configuration file by the simulator so as to establish communication connection with an external PLC (Programmable Logic Controller) or instrument and enter an online simulation mode. On the premise of not depending on entity hardware, online communication and real-time joint debugging of the HMI simulator and the external equipment can be realized.

The invention relates to the technical field of steel continuous casting production, in particular to a simulation method and system for dynamic distribution of inclusions in a continuous casting billet and a computer program product, and the simulation method comprises the following steps: constructing a three-dimensional model of the continuous casting billet, importing FLUENT software, and simulating fluid movement in the continuous casting billet; simulating the growth process of the solidified blank shell until the blank shell is completely solidified; injecting and tracking inclusions in the dispersed phase model; the positions of the inclusions in the continuous casting billet are obtained at each time step, and whether the inclusions meet the criterion of being captured by the solidified billet shell or not is judged; if yes, the speed of the inclusions is removed, and a new speed is given to the inclusions according to the positions of the inclusions in the continuous casting billet; and exporting inclusion information at an outlet of the continuous casting billet. According to the method, the obtained dynamic distribution simulation result of the inclusions is closer to the actual production, the distribution condition of the inclusions in the continuous casting blank can be accurately reflected, and the production of the casting blank is effectively guided.

The invention provides a glass bottle lightweight forming process optimization system, belongs to the technical field of glass product production, and solves the technical problems that the existing lightweight glass bottle is low in forming efficiency, process parameters cannot be dynamically adapted and the like. Comprising a hardware execution module, a global data sensing module, a digital twinning optimization module, an enterprise-level cloud management module and a man-machine collaborative operation and maintenance module. The global data sensing module comprises an equipment three-dimensional information scanning and collecting unit, an equipment working state sensor network unit, an energy consumption and resource monitoring unit, a data transmission unit, a data storage unit and a carbon footprint accounting unit; the digital twinning optimization module comprises a virtual simulation unit, a software simulation optimization unit and a dynamic feedback optimization unit. According to the invention, an integrated process optimization system integrating an intelligent algorithm, digital twinning, green carbon reduction, flexible production, full-dimensional detection, predictive maintenance and man-machine collaboration is adopted, and efficient, accurate, green and flexible production of lightweight glass bottles is realized.

The invention relates to the technical field of electromagnetic measurement and state monitoring, and discloses a global state sensing system and method for an electromagnetic voltage transformer. The technical problems that in the prior art, data robustness is insufficient and actual working condition changes of a power grid are difficult to adapt due to the fact that accurate resonance circuit parameters are depended and a single calculation path is adopted are solved. According to the method, ferromagnetic resonance phenomena under various faults are simulated based on electromagnetic transient simulation, phenomenon data are obtained, and influence factors are analyzed to obtain influence rule data. And taking the rule data as input, and adopting a comprehensive solving method combining programming calculation, system structure chart calculation and electromagnetic transient software simulation to obtain a high-reliability state quantity time sequence. Based on the time sequence, a nonlinear model which takes loss into account and does not depend on precise resonant circuit parameters is derived, and explicit mathematical functions of primary current and transient overvoltage of the voltage transformer are obtained.

A tempered glass insulator stress distribution measurement method comprises the steps of simulating a fluid field and a transient temperature field in tempering cooling by using CFD software based on a glass viscoelasticity theory, importing a temperature field result into FEA software, and solving a residual stress field in combination with a generalized Maxwell model. And selecting an insulator disc sheet-shaped area, acquiring stress data by using photoelastic stress measurement equipment, and comparing the stress data with a simulation result to verify the reliability of the model. And outputting the overall residual stress distribution of the insulator based on the verified model, and identifying a high-tensile stress concentration region. Cooling process parameters are adjusted according to stress distribution, simulation prediction is conducted again, photoelastic measurement verification is conducted, and process iterative optimization is achieved. According to the method, numerical simulation and experimental measurement are deeply fused, a closed-loop optimization process is formed, and the stress distribution condition of the tempered glass insulator can be more comprehensively and accurately mastered, so that the limitation of the prior art is effectively overcome, and accurate guidance and optimization of a tempering process are realized.

The invention discloses a digital chip verification method and device, electronic equipment and a computer readable storage medium, the method and device are applied to a verification system, the verification system comprises a software simulation platform and a hardware verification platform, and the method comprises the following steps: determining a to-be-tested code of a target digital chip; utilizing the software simulation platform to generate an excitation signal according to the to-be-tested code, and sending the excitation signal to a hardware verification platform; executing verification operation on the target digital chip by using the hardware verification platform according to the excitation signal to obtain a hardware verification result; when the hardware verification result has abnormal information, determining an abnormal node in the to-be-tested code, and debugging at the abnormal node by using a software simulation platform to obtain a software simulation result; and determining a final verification result of the target digital chip according to the hardware verification result and the software simulation result. By applying the technical scheme provided by the invention, more flexible and efficient digital chip verification can be realized.

The invention discloses a ship vertical stress prediction method based on POD modal decomposition, and aims to solve the problems that a traditional CFD method is high in calculation cost and low in solving efficiency and a pure data driving method lacks physical constraints. The method comprises the following steps: modeling discrete slices of a ship body, simulating different pitching and heaving working conditions through CFD software, and collecting vertical stress data; preprocessing and separating an average field and a pulsating field, and extracting a core characteristic mode and a time coefficient through POD mode decomposition; amplitude-coefficient mapping is established for time coefficient fitting, and target working condition parameters are input to obtain a corresponding time coefficient function; and reconstructing the pulsating field and superposing the average field, and integrating to obtain the total vertical stress. According to the method, calculation is simplified through modal dimension reduction, physical characteristics are reserved, rapid and accurate prediction of multiple working conditions is achieved, the method is suitable for ship seakeeping analysis and hydrodynamic performance calculation, and the engineering application efficiency is remarkably improved.

The invention discloses a software simulation and physical simulation collaborative cross-domain communication networking teaching simulation system, which belongs to the field of layout optimization and comprises a data interaction layer, a simulation engine layer, a teaching management layer and a display control layer. The data interaction layer is used for realizing software simulation and physical simulation data interaction through interface specification, a synchronization mechanism and mapping; the simulation engine layer is used for calculating loss driving dual-mode operation through modeling; the teaching management layer provides whole experiment process support; and the display control layer is used for displaying node and link states in real time, supporting dual-mode switching and generating and exporting a difference report. Seamless connection and dynamic linkage of software simulation and physical simulation are achieved, the problems that in a traditional teaching system, virtual and physical experiments are disjointed, and cross-domain scene simulation precision is insufficient are solved, and the intuition and effectiveness of cross-domain communication networking teaching are remarkably improved through a teaching closed loop of virtual rehearsal-physical verification-contrastive analysis.

The invention discloses a method for testing the concentration of chloride ions in reinforced concrete based on micron-sized X-CT and comsol finite element technologies. The method comprises the following steps: S1, preparing the reinforced concrete: treating reinforcing steel bars: selecting Q235 carbon round steel with the length of 20-30mm and the diameter of 5-8mm; and placing the reinforcing steel bar on a polishing machine, and polishing for 5-8 minutes by using SiC abrasive paper. According to the method, the micron-sized X-CT technology and the comsol finite element technology are combined, the limitation of a traditional testing method is overcome, the micron-sized X-CT technology provides a real image of the internal microstructure of the concrete, accurate basic data are provided for simulation analysis of comsol software, the testing result is closer to the actual situation, and the accuracy of chloride ion concentration testing is improved.

The invention relates to the technical field of computers, and provides a synchronous task execution method and device, equipment and a medium, and the method comprises the steps: receiving a task queue set submitted by a plurality of user processes; obtaining a first execution task from a first task queue in the task queue set; under the condition that the first execution task is a synchronization task, simulating the first execution task based on a software language, and realizing a synchronization mechanism corresponding to the first execution task; and based on the synchronization mechanism and the scheduling rule, executing the execution task in the task queue set. The tasks in the task queues are scheduled through the synchronization mechanism corresponding to the software simulation synchronization task, so that the tasks are sequentially executed according to the expected sequence of the user process, the software executes the synchronization task, meanwhile, the task queues which do not meet the execution condition are switched in real time according to the scheduling rule in software simulation, and the execution efficiency is improved. And continuous waiting is avoided, and deadlock between the processes is further avoided when the multiple processes use the equipment at the same time.

The invention relates to the technical field of material thermal performance testing, in particular to a thermal conductivity testing method for a thermal conductivity interface material, and develops a qualitative thermal conductivity testing method for the thermal conductivity interface material based on graphics card hardware and baking machine software. Extreme working conditions are simulated by utilizing baking machine software, the heat dissipation efficiency of different heat conduction materials is quantitatively analyzed by monitoring the temperature change of a display card chip, and the method is better to implement and easy to judge for companies or individuals without professional heat conduction testing equipment, and has better guiding significance for practical application.

This application relates to the technical field of voltage regulation function testing for power banks. It discloses a voltage regulation function simulation testing system and method. This application constructs a voltage regulation function simulation testing system including a simulation clock and a simulation cycle counter. At the software level, it directly simulates the passage of time and the accumulation of charge-discharge cycles during long-term battery use based on user-configured test parameters. The core algorithm layer uses simulation time and / or the number of simulated full-charge cycles to simulate the charging voltage of the power bank over time and the accumulation of charge-discharge cycles, thus completing the voltage regulation function simulation test of the power bank. This method of completing the voltage regulation function simulation test of a power bank through software simulation algorithms greatly reduces the physical testing time required without changing the physical testing environment or replacing the tested object. This significantly shortens the testing cycle while ensuring the test results accurately reflect real-world usage scenarios and have high reliability.

The invention relates to an audio simulation co-processing unit and an audio protocol simulation method, and the method is realized based on the audio simulation co-processing unit, and the method comprises the steps: receiving simulation: receiving input audio data of an audio chip through a sampling input subunit when a synchronous clock signal is a falling edge, and transmitting the input audio data to an input FIFO subunit for caching, the input processing subunit reads input audio data cached in the input FIFO subunit, preprocesses the input audio data and stores the input audio data in the CPU; the analog sending and output processing subunit controls the DMA to carry output audio data from the CPU to the output FIFO subunit for caching, the output FIFO subunit writes the output audio data into the shift output subunit when a synchronous clock signal is a rising edge, and the shift output subunit sends the written output audio data to an audio chip in a shift mode. According to the invention, I2S and TDM audio protocols can be supported by adopting a pure software simulation mode, and the co-processing unit can independently process audio data decoding, so that the load of a CPU (Central Processing Unit) is reduced.

The embodiments of the present application provide a chip simulation test method, device, equipment and system. The chip simulation test method includes: using a hardware simulation system to simulate the first part of the chip running the design program, and performing at least one sampling to obtain at least one sampling data; loading the at least one sampling data into the software simulation system; the software simulation system simulates the chip to continue to run part of the remaining program or all of the remaining program of the design program based on the at least one sampling data, so as to simulate the chip running the design program. The embodiment of the present application executes part of the program in the hardware simulation system, and the software simulation system continues to execute the design program based on the collected data, so that there is no need to actually execute the entire process of the design program. The hardware simulation system and the software simulation system can be combined to achieve efficient analysis and debugging, thereby providing good guidance for chip design.

The present application relates to the technical field of computer, and provides a synchronous task execution method, device, equipment and medium, the method comprises the following steps: receiving a task queue set submitted by multiple user processes; obtaining a first execution task from a first task queue in the task queue set; in the case that the first execution task is a synchronous task, simulating the first execution task based on a software language, realizing a synchronization mechanism corresponding to the first execution task; based on the synchronization mechanism and a scheduling rule, executing the execution tasks in the task queue set. The present application simulates the synchronization mechanism corresponding to the synchronous task by software to schedule the tasks in each task queue, so that each task is executed in turn according to the expected order of the user process, realizing the software to execute the synchronous task, and at the same time, the task queue that does not meet the execution condition is switched in real time according to the scheduling rule in the software simulation, avoiding waiting all the time, and further avoiding the deadlock between processes when multiple processes use the device simultaneously.

The invention relates to a perception fusion software simulation method, a vehicle-mounted system and a computer readable storage medium. The perceptual fusion software simulation method comprises the steps of extracting a first controller area network CAN signal for perceptual fusion software based on information provided by a CAN database to obtain a second CAN signal; extracting a first software operation measurement signal for the perception fusion software to obtain a second software operation measurement signal; converting the second software operation measurement signal according to the second CAN signal based on the signal mapping relation library to generate a third software operation measurement signal; and simulating the perceptual fusion software based on the first software operation measurement signal and the third software operation measurement signal.

The application provides a process engine-based autonomous operation method and system for an interoperability verification task, a virtual-real combined simulation environment is constructed by including field equipment operation data, laboratory scaled component state information and a software simulation model, an actual operation scene of a road electromechanical equipment interoperability mechanism is simulated, an interoperability verification task is generated according to a preset verification requirement parameter set, a process engine is called to analyze the task and plan an execution process, the task is executed in the virtual-real combined simulation environment according to the execution process, message transmission data, state response data and time synchronization data in the equipment interaction process are collected in real time, interoperability verification results including interaction message integrity description, state response consistency record and time synchronization accuracy description are generated based on the message transmission data, the state response data and the time synchronization data, so that the verification task can be autonomously planned, and a comprehensive and real test environment is provided.

According to the HIC function verification method and verification device, an EMC module with mature functions is arranged in a FLASH space of a CPU subsystem on an original SOC verification platform, and the EMC module is configured as an external host of an HIC module, so that a function verification platform of the HIC module is rapidly established, and no extra chip is needed. After grammar checking and instantiation are carried out on an HIC function verification platform by adopting a VCS command, a VCSrun command is executed to load a simulation file and a test routine to execute function simulation, and a verdei command is used for checking a simulation result, so that RTL codes of an HIC module can be modified, re-edited and re-simulated when BUG or other errors occur, the whole process is carried out in software simulation, and the simulation efficiency is improved. The time consumption of the FPGA process is avoided, and the interaction function of the HIC module and the external host and the function interaction of the HIC module and the internal resources of the SOC system are verified at the same time in the real and complete SOC environment.

The invention relates to a chip verification method and system based on a double-FPGA architecture, and the method comprises the steps: deploying a verification platform on a first programmable logic device in a hardware circuit form, deploying a tested design on a second programmable logic device, and enabling the verification platform and the second programmable logic device to be interconnected through a hardware interface; the first programmable logic device comprises a control module, an excitation generation module, an expectation calculation module, an evaluation module, an excitation output module and a response input module; in response to external triggering, the control module jumps from idle to start, controls the excitation generation module to generate excitation, and transmits the excitation to the tested design through the excitation output module; the tested design generates a response signal based on excitation and transmits the response signal to the evaluation module through the response input module; the expectation calculation module receives an excitation calculation expectation result and transmits the result to the evaluation module; and the evaluation module compares the response with the expected result to generate a verification result. The method gets rid of software simulation dependence, shortens verification starting time, is close to a real chip use environment, and improves function verification reliability.

The invention provides a steering knuckle structure optimization method and device, a storage medium and an electronic device.The method comprises the steps that CAE simulation is conducted on an initial steering knuckle under multiple design working conditions, and a first coordinate result matrix is obtained through solving; determining a performance parameter set of the initial steering knuckle; adopting the performance parameter set to construct a design safety threshold value of structure optimization; respectively carrying out CAE simulation on the middle steering knuckle under a plurality of design working conditions, and solving to obtain a second coordinate result matrix; calculating according to the second coordinate result matrix and a design safety threshold to obtain a threshold solution domain; and adopting the threshold solution domain and the first coordinate result matrix to calculate and obtain a target coordinate matrix of mass distribution of the target knuckle after structure optimization. Through the embodiment of the invention, the technical problem that the structure of the steering knuckle cannot be optimized through software simulation in the prior art is solved, the design quality is minimized, the size of the steering knuckle is reduced, and the material and the cost of the steering knuckle are saved.