398 results about "Simulation design" patented technology

The invention is suitable for the technical field of industrial design, and provides a multi-agent cooperative industrial design method and system for complex engineering, and the method comprises the following steps: constructing a large model agent set for a complex engineering design task; dividing a design task into sub-tasks which can be executed by an intelligent agent based on a task decomposition algorithm of a knowledge graph and an intention recognition mechanism; a Prompt-to-Code enhancement model is constructed, and task planning targets and constraints of multiple agents are converted into CAD modeling or CAE simulation design instructions capable of being directly executed by an industrial design tool through Prompt embedding; constructing a design version evolution tree, and designing a causal reasoning graph structure based on the interactive influence of target features; and inputting an asynchronous task planning strategy, a design instruction and a version evolution tree feedback result into a large model agent for iterative adaptive optimization. And the design efficiency and the scheme quality of a complex engineering design task can be obviously improved.

The invention relates to the technical field of special equipment intelligent monitoring and maintenance, in particular to a special equipment monitoring and maintenance method and system based on multi-dimensional data fusion, and the method comprises the steps: collecting and processing multi-source heterogeneous sensor data; constructing a dynamic digital twinborn model based on sensor data and a cross-domain term mapping rule; associating the sensor data with the digital twinborn model to establish a lightweight analysis model, performing health state simulation analysis on the edge equipment, and generating an analysis result; the data quality of the edge device is monitored through the analysis model, when the data quality is lower than a threshold value, a co-simulation process is started, a simulation analysis task is transferred to the cloud digital twin platform, and the edge device continues to conduct simulation analysis based on the analysis model; and constructing a simulation design decision rule base, and generating a maintenance suggestion. Through the multi-dimensional data fusion and edge cloud co-simulation architecture, the accuracy, real-time performance and reliability of monitoring and maintenance of the special equipment are improved.

The invention relates to the technical field of mechanical engineering, in particular to a three-dimensional simulation design method and system based on an elevator structure. The method comprises the following steps that an elevator structure drawing is obtained; a three-dimensional elevator assembly is constructed according to the elevator structure drawing; lift car static load simulation is conducted according to the three-dimensional elevator assembly, and lift car static load data are obtained; detecting the structural strength of the lift car based on the lift car static load data; evaluating welding defects based on the structural strength of the lift car, and generating welding defect data; identifying a weld weak area according to the welding defect data; determining the abrasion loss of the car structure based on the weld weak area; according to the lift car structure abrasion loss, the lift car bottom plate fracture risk is predicted; carrying out welding optimization design based on the fracture risk of the bottom plate of the lift car to obtain welding optimization design data; and traction and traction simulation is conducted according to the three-dimensional elevator assembly, and traction and traction data are obtained. Based on the mechanical engineering technology, the safety and stability of the elevator structure are improved, and the design precision and efficiency are remarkably improved.

The invention relates to the technical field of ball valve design and simulation, in particular to a three-dimensional simulation design method and system for a ball valve. The method comprises the following steps: performing reference geometric construction based on a ball valve design specification, and performing geometric parameterization to obtain an initial geometric configuration; importing the initial geometric configuration into a finite element analysis platform, and endowing material attributes to obtain a finite element mesh model; performing ball valve working stress analysis on the finite element mesh model to obtain a stress-strain field; performing model fluid domain grid division according to the initial geometric configuration and the stress-strain field to obtain a fluid domain grid; valve opening change setting is conducted on the fluid domain grids, and a CFD calculation model is obtained; internal flow field transient simulation of the ball valve under different opening degrees is conducted on the CFD calculation model, and fluid dynamic parameters are obtained. The dynamic characteristics of the valve under the complex working conditions are accurately captured, and the working performance of the valve under different working conditions is improved.

The invention provides a simulation design method applied to a simulation surface acoustic wave filter, and the method comprises the steps: measuring an actual surface acoustic wave filter model, obtaining a Y parameter of the filter, and carrying out the de-embedding processing of an admittance characteristic curve; according to the admittance characteristic curve, COM model parameters are extracted, and static capacitance is extracted; coupling mode model data simulation is carried out according to the extracted COM model parameters, and comparison with actually measured data is carried out; carrying out geometric modeling on the SAW filter to obtain a multi-physical field model and a grid thereof; adding corresponding boundary conditions and excitation conditions to the geometric model, and generating a grid file; importing the grid file into a spectral element algorithm, and saving calculation time by adopting distributed operation; and comparing the generated simulation curve of the COM model with a simulation curve obtained by a spectral element algorithm and actually measured data. And the problem of overlong simulation time of an existing acoustic wave filter is greatly solved while the simulation precision is not influenced.

The invention relates to the technical field of air conditioner simulation optimization, in particular to an efficient machine room multi-subsystem cooperative control method based on intelligent simulation, and the method comprises the steps: building a digital twinborn model and a virtual simulation environment of central air conditioner key equipment; performing simulation analysis on the health state and the operation performance of key equipment in the digital twin model through a virtual simulation environment, and establishing a performance reference model; acquiring an external data source to obtain equipment operation parameters; in the virtual simulation environment, the equipment operation parameters are analyzed based on the performance reference model, and health state parameters and operation performance parameters are obtained; dynamically updating the digital twin model based on the health state parameters and the operation performance parameters to obtain an equipment state twin model; and based on the equipment state twin model, performing simulation design in a virtual simulation environment to obtain equipment compensatory cooperative control parameters. According to the invention, through simulation analysis of the digital twin model, cooperative control of the central air-conditioning subsystem is realized.

The invention relates to the technical field of circuit design, in particular to a digital circuit simulation design method and system. The method comprises the following steps: identifying a design demand document, performing deep semantic analysis and demand constraint mining, and constructing a demand specification constraint parameter set; performing demand complexity evaluation and multi-level division according to the demand specification constraint parameter set, and constructing a basic circuit architecture design blueprint; circuit routing path planning is carried out according to the basic circuit architecture design blueprint, and a standardized circuit topology network is constructed; performing electric signal propagation simulation on the standardized circuit topology network, and performing global circuit adaptability adjustment to obtain a circuit topology design scheme; and carrying out an extreme condition simulation test based on the circuit topology design scheme, and carrying out comprehensive performance evaluation to obtain a circuit performance evaluation report. By deeply understanding the user demand intention, the circuit layout matched with the user demand is designed, and the overall circuit performance is improved.

The invention discloses an MBSE-based aircraft undercarriage system model integration method, and belongs to the technical field of system engineering. The method comprises the following steps: constructing an aircraft undercarriage system architecture, a classification mapping of simulation design information and a GOPPRR-E element model, and a meta-model library; constructing an architecture model according to a demand-function-logic-physical process, and generating a Simulink simulation model according to the architecture; a simulation model semantic mapping rule is constructed according to an OSLC specification, and design information is analyzed to establish an integrated data model; and a Simulink simulation tool integration adapter is constructed, and a tool interoperation service based on Web is provided. According to the method, a multidisciplinary model can be accurately constructed, uniform expression of architecture and simulation models and semantic consistency of heterogeneous models are realized, two-way transmission of cross-domain information and interoperation between tools are supported, the problem of interoperation between architecture modeling and simulation modeling tools in aircraft undercarriage system design is effectively solved, and the design efficiency is improved.

The invention provides a chip testability design program code generation device and method, and the device comprises a chip design file processing module which is used for receiving a chip design file; the testability design circuit generating and marking module is used for adding a test point and an observation point in a circuit of the chip according to a testability design rule of the chip; the resource dynamic calculation module is used for dynamically generating a pseudo netlist according to the flattening rule; the virtual device modeling module is used for modeling a virtual device and recording an FPGA model generated when the pseudo netlist is generated; the simulation and testability design collaborative optimization module is used for generating a simulation code of the verification platform according to the program code completion degree of the chip design file and performing simulation; and the design data sharing module is used for storing the shared chip design file. The invention further provides a method for implementing the device. According to the method, the efficiency of designing the chip test circuit can be improved, and the flexibility and usability of collaborative design of tools in different design stages of the chip are improved.

The invention provides an aerodynamic task processing method and device based on multiple agents, and relates to the technical field of aircraft simulation design, and the method comprises the steps: obtaining a task target and working condition parameters inputted by a user; based on the capability of each agent group in the multi-agent system, generating a plurality of sub-tasks based on the task target; distributing the plurality of sub-tasks to corresponding agent groups in the multi-agent system for task processing to obtain a calculation result corresponding to the task target; the multi-agent system comprises a first agent group, a second agent group and a third agent group. According to the multi-agent-based aerodynamic task processing method and device provided by the invention, the role of a person in a traditional CFD normal form is replaced by the agents, automatic execution of the whole process of the CFD task is realized, and the processing efficiency of the aerodynamic task is greatly improved.

The invention relates to the technical field of tire simulation design, in particular to a method and system for obtaining an actual material distribution diagram of a tire and a computer program product. According to the method, the outer contour and the material distribution diagram are accurately matched by scanning the outer contour of an actual tire, combining with the material distribution diagram of the section of the tire and adopting smooth processing and affine transformation technologies. The method comprises the specific steps of scanning the outer contour of a tire, drawing a material distribution diagram, smoothing the contour, selecting and equally dividing a mapping curve, calculating an affine transformation matrix, dividing the material distribution diagram into a plurality of small areas, and executing affine transformation on the small areas to generate an actual material distribution diagram. According to the method, the simulation precision is remarkably improved, the correction time is shortened, and the method is suitable for various tire models and complex structures. The material distribution map generated by the method can provide accurate data support for performance optimization of tire rolling resistance, stress analysis and the like, and has wide application value.

The invention relates to the technical field of tire simulation design, in particular to a method, system and equipment for calculating contribution of tire parts to camber rigidity and a storage medium. The method is based on a finite element model and comprises the following steps: firstly, carrying out two-dimensional axial symmetry modeling and inflation analysis on a tire, rotating to generate a three-dimensional model, then establishing contact with a rigid road surface, applying rated inflation pressure and load, and carrying out steady-state rolling and camber working condition simulation to obtain reference camber rigidity comprising all parts; and then target parts such as a tread, a belted layer and sidewall rubber are selected, the Young modulus of the target parts is reduced to 0.01%-5% of a design value, the analysis is repeated on the premise that the Poisson's ratio of the target parts and other parts and boundary conditions are kept unchanged, and the camber rigidity of the target parts after degradation is obtained. The camber rigidity contribution value and contribution rate of the camber rigidity are calculated by comparing the difference value of the camber rigidity of the two working conditions and combining the occurrence frequency of the target component in the tire structure, and quantitative stripping of the camber rigidity influence of each component is achieved. According to the method, the component-level contribution spectrum can be quickly obtained on the premise of controllable errors, and an effective basis is provided for directional optimization design of the tire camber rigidity performance.

The invention discloses a simulation method for calculating rigid-flexible-electric-thermal coupling dynamic response of a space structure, which comprises the following steps of: simplifying the space structure into a central rigid body-cantilever slab model, describing and dispersing the model through a constructed absolute node method mixing unit, deducing a dynamic equation of the model and a temperature field and electrostatic field control equation, and calculating the dynamic response of the rigid-flexible-electric-thermal coupling dynamic response of the space structure. The method comprises the following steps of: obtaining a rigid-flexible-electric-thermal coupling equation set of the system by taking a dynamic response result of the structure into consideration, considering a bidirectional coupling effect between a displacement field and a physical field, solving the equation set by utilizing a solver based on a generalized alpha method, obtaining the dynamic response result of the structure, performing visualization processing, and displaying the change condition of physical quantities such as temperature, potential and displacement along with time. According to the method, the influence of physical field factors is comprehensively considered, the spatial structure dynamic behavior under multi-physical field coupling can be accurately simulated, and a certain basis is provided for the simulation design of the spatial structure.

The invention relates to the technical field of tire simulation design, in particular to a radial tire contour rapid design and generation method and system and a computer program. According to the method, firstly, a finite element model is generated according to a material distribution diagram of an original tire, then tire outer contour parameters are adjusted according to a preset performance target, and a corresponding basic vector model is generated. The method comprises the following steps: extracting node information of an original model and a basic vector model, endowing a weight coefficient, and calculating a tire finite element model with target performance; and finally, determining an optimal weight coefficient by using an optimization algorithm, and generating a tire outer contour curve meeting performance requirements through curve fitting. According to the method, the design efficiency is remarkably improved, the dependence on the personal ability of designers is reduced, and more accurate and reliable tire optimization design is achieved.

The invention relates to the technical field of chip simulation, in particular to a voltage logic simulation design method and system for a passive internet-of-things tag chip. The method comprises the following steps: performing energy characteristic measurement on the tag chip, and calculating voltage fluctuation and logic gate triggering probability to obtain energy logic state mapping data; state transition probability distribution mapping is carried out according to the energy logic state mapping data, and a transition probability distribution tensor is constructed; collecting measurement environment parameters in the energy characteristic measurement process, and performing dynamic environment interference compensation on the transition probability distribution tensor to generate an interference compensation distribution tensor; carrying out simulation precision demand distribution based on the interference compensation distribution tensor, and constructing a layered simulation configuration file; and performing multi-precision parallel simulation execution based on the layered simulation configuration file, and generating a probabilistic verification report. Through precise and efficient logic simulation, the reliability of chip design is improved, and the fault probability is reduced.

The invention provides a relativistic klystron design method and system based on multi-objective optimization, and the method comprises the steps: obtaining simulation design parameters and optimization objectives of a relativistic klystron inputted by a user; according to the simulation design parameters, klystron large signal simulation software KlyH based on a one-dimensional disk model and developed independently is adopted to carry out analog simulation on a relativistic klystron, and a hybrid multi-objective optimization algorithm is adopted to optimize an optimization objective; through fusion of a hybrid multi-objective optimization algorithm and klystron large-signal simulation software KlyH based on a one-dimensional disk model, design schemes of different relativistic klystron can be efficiently explored in a multi-dimensional parameter space, multiple key indexes such as efficiency, interaction length and power can be optimized at the same time, the global search capability is also remarkably improved, and the method is suitable for large-signal simulation of klystron. High-quality design meeting complex requirements is rapidly generated, and the reliability and engineering realizability of relativistic klystron design are improved to a great extent.

The invention provides an alkaline electrolytic cell temperature compound control method and system, a medium and equipment. The method comprises the steps that a full-process dynamic simulation model containing key process equipment meeting preset requirements in an electrolytic hydrogen production system is established; a feed-forward controller with current as input and feed-forward compensation amount as output is obtained through analysis of a full-process dynamic simulation model; based on the feed-forward compensation amount, the temperature of the electrolytic bath is stabilized at a set value under the change of the current I; a feedforward-cascade composite control system is constructed; and closed-loop control over the temperature of the electrolytic cell is completed based on a feedforward-cascade composite control system. According to the method, the feed-forward controller based on full-process dynamic simulation design is combined with cascade control, so that accurate lead compensation of wide-width current fluctuation is realized, the problem of response lag of single cascade control is effectively solved, and the dynamic response speed and the anti-interference capability of electrolytic bath temperature control are remarkably improved.

The invention provides a design method of a household photovoltaic system and a related product. The design method of the household photovoltaic system comprises the following steps: acquiring basic information of a to-be-built area; controlling the unmanned aerial vehicle to shoot the to-be-built area according to the basic information to obtain a survey image; generating a three-dimensional model of the to-be-built area according to the survey image; analyzing the three-dimensional model to obtain survey feature data of the photovoltaic panel laying area; performing simulation design on the photovoltaic panel laying area according to the survey feature data to obtain one or more alternative schemes; and superposing the models of the alternative schemes on the three-dimensional model of the to-be-built area to generate a display model of the household photovoltaic system. According to the scheme, the surveying process is rapid and efficient, the workload of surveying personnel is reduced, the problems that the surveying difficulty is increased and surveying data is inaccurate due to the fact that the field environment is severe are solved, and further popularization of the household photovoltaic system is facilitated.

The invention relates to the technical field of tire simulation design, in particular to a tire force transmissibility finite element simulation method and system and a program product. According to the method, an axial symmetry finite element model comprising a tire, a rim, internal air and an additional deformable object is established, material attributes and contact pairs are defined, and a three-dimensional tire model is generated in combination with inflation simulation. An air unit with a displacement freedom degree and a self-adaptive grid division technology are adopted. The method comprises the following steps: simulating the embedding, inflating and loading processes of a tire under different working conditions by dynamically switching a contact pair relationship, performing steady-state dynamics analysis on the force transmissibility of the tire, and calculating an acceleration frequency response function and a force transmissibility curve of a tread and a rim center. According to the method, the analysis efficiency is greatly improved, the simulation time is shortened by 80%, meanwhile, a high-precision simulation result is kept, and the method is suitable for force transmissibility evaluation of tires with multiple air pressures and multiple specifications and has wide application value.

The invention provides a stay cable tensioning process simulation optimization design method and system based on finite element analysis, and the method comprises the steps: building a finite element model of a tower beam structure of a target cable-stayed bridge; the target cable-stayed bridge is a cable-stayed bridge constructed by a support method and provided with asymmetric leaning towers; based on the finite element model, stay cable tension process simulation of the tower beam structure under different jump tension sequences is carried out, and time-varying mechanical response of the tower beam consolidation system is obtained; and according to the time-varying mechanical response, the cable force effectiveness and the tower beam deformation continuity are taken as targets, a tension sequence is optimized through a multi-point coincidence approximation strategy, and simulation design of automatic iterative optimization is carried out. According to the stay cable tensioning process simulation optimization design method and system based on finite element analysis, the optimal jump tension sequence is solved in the simulation model, the evolution amplitude of the stress behavior of the tower beam in the stay cable tensioning bridge forming process is reduced, the evolution smoothness of the stress behavior is improved, and the phenomena of hard sudden change, discontinuity and even internal damage are prevented.

The invention discloses a landscaping landscape design method based on big data, and belongs to the technical field of landscape simulation design, and the method specifically comprises the steps: obtaining microclimate data of a target area and surrounding building environment data, and inputting the data into a dynamic microclimate simulation model to obtain a microclimate dynamic distribution diagram; identifying the position and the type of a microclimate discomfort area based on the distribution map, and generating a landscape design element set; carrying out overlay analysis on the element set and the distribution map, and adjusting the attribute and position of each element to form a preliminary design scheme; the preliminary scheme is input into a model to simulate microclimate distribution after implementation, and the difference degree of new and old distribution diagrams is calculated; and when the difference degree exceeds a preset range, iteratively adjusting the design elements and repeating the optimization process, and outputting a final scheme until the difference degree reaches the standard. According to the invention, dynamic coordination of landscape design and microclimate environment is realized.

The present invention provides a device and method for generating program code for chip design for testability, the device comprising a chip design file processing module for receiving chip design files; a design for testability circuit generation and marking module for adding test points and observation points in the circuit of the chip according to the design for testability rules of the chip; a resource dynamic calculation module for dynamically generating a pseudo netlist according to flattening rules; a virtual device modeling module for modeling virtual devices and recording the FPGA model generated when generating the pseudo netlist; a simulation and design for testability collaborative optimization module for generating simulation code of a verification platform according to the completion degree of the program code of the chip design file and performing simulation; and a design data sharing module for storing shared chip design files. The present invention also provides a method for implementing the above-mentioned device. The present invention can improve the efficiency of designing chip test circuits and improve the flexibility and ease of use of collaborative design of tools at different chip design stages.

The invention relates to the technical field of wind turbine generator simulation, and particularly provides a wind turbine generator complete machine simulation method and device, and the method comprises the steps: integrating a characteristic matrix of each unit in a finite element model of a wind turbine generator into a complete machine motion balance equation of the wind turbine generator based on the node number of each unit in the finite element model of the wind turbine generator; converting the complete machine motion balance equation of the wind turbine generator to obtain a complete machine motion balance equation without constraints; integral solving is conducted on the complete machine motion balance equation with the constraint eliminated, and a complete machine simulation result of the wind turbine generator is obtained; wherein the characteristic matrix comprises a mass matrix, a damping matrix and a stiffness matrix, and the simulation result comprises node velocity vectors of all units in a finite element model of the wind turbine generator. The technical scheme provided by the invention can be used for guiding the whole unit, simulation design and tool development, and has a wide application prospect.

The invention belongs to the field of flight platform simulation design, and discloses a flight platform simulation integrated device based on man-unmanned interaction. The device comprises a manned aerial vehicle platform basic excitation device, a manned aerial vehicle task system excitation device, an unmanned aerial vehicle platform basic excitation device, an unmanned aerial vehicle ground control station excitation device, a network management simulation device and a data link message access device. According to the method, high requirements are provided for information services according to systematic application requirements, and no excitation environment based on a typical platform exists in systematic integration verification currently. In view of completeness and credibility of system integration verification, an aviation platform digital prototype close to the reality needs to be built urgently, and the product designed by the invention provides interface adaptation of manned aircraft / unmanned aerial vehicle infrastructure, task system equipment, network management and links, guarantees simulation test verification of a universal platform, and has a wide application prospect. A verification environment is provided for platform integration design and verification work in the actual technical state of the platform, the problems of platform integration design and the like in the actual state of the platform are solved, the verification environment is provided for verification work, and a universal simulation test platform is provided for system integration verification.

The invention relates to the technical field of diesel engine fuel supply, in particular to a variable stiffness spring simulation design method for a high-pressure common rail pump. Comprising the steps of establishing a multi-physics field coupling model based on simulation software; establishing a thermodynamic module; simulating the movement of the plunger; simulating the movement of the valve core; establishing a fuel pressure dynamic change model; calculating the spring stiffness; calculating a target adjustment parameter; optimizing a spring stiffness coefficient: adjusting the spring stiffness coefficient through a genetic algorithm; a population is set and initialized, then an operation method is selected, crossover operation is carried out, and filial generation individual data is obtained; outputting an optimal parameter; optimal target parameters are calculated, specifically, the optimal parameters are introduced into simulation software, so that the maximum collision speed V of the valve element is reduced, and the system volume efficiency L is improved; by using the variable stiffness spring, the collision speed can be effectively reduced, the impact stress between the valve element and the valve seat is reduced, the fatigue damage between the valve element assemblies is reduced, and the service life of the pump valve assembly of the high-pressure common rail pump is prolonged.

The invention relates to the technical field of tire simulation design, in particular to a tire braking performance rapid evaluation method and system and a program product. According to the method, the friction coefficient (mu-s curve) of the tire under different slip rates is obtained through finite element simulation or multi-body dynamics simulation. Then, assuming that the slip rate of the tire obeys normal distribution in the actual braking process, the mean value is the slip rate corresponding to the maximum mu value in the mu-s curve, and the standard deviation is 1; thirdly, multiplying the probability density function of the normal distribution by the mu-s curve to obtain a weighted braking force coefficient, integrating the weighted braking force coefficient, and calculating a comprehensive braking performance index mu effective of the tire; the larger the [mu] effector value is, the better the braking performance of the tire is. According to the method, the simulation technology and the statistical distribution model are combined, the braking performance of the tire is rapidly and accurately evaluated, the whole calculation process is about 2 hours, and the time for calculating the braking performance of the tire is obviously longer than 48 hours required by traditional explicit dynamics analysis.

The invention discloses a side face direct-insertion wiring terminal block structure and an elastic piece simulation design method of the side face direct-insertion wiring terminal block structure. Comprising an insulating shell, a conducting strip, a first elastic piece, a second elastic piece and a push block abutting against the elastic pieces, a wire can be inserted along the side face and clamped by a wire clamping block, and electricity conduction and disengagement prevention are achieved; the elastic piece is made of a metal material with resilience, and the elastic piece is bent to form a mounting part and a camber beam structure so as to provide stable clamping force. In order to optimize the performance of the elastic sheet, a simulation design method is adopted to establish an elastic sheet finite element model, set material attributes and constraint and loading conditions, carry out mesh refinement on a bending area and a wire clamping opening, start large deformation analysis and draw a force-displacement curve, so that the equivalent stiffness, the maximum stress and the deformation of the elastic sheet are obtained. Through simulation comparison of different design schemes, the optimal structure meeting the strength and resilience requirements can be determined. According to the invention, the stable conduction of the side plugging terminal and the predictable design of the performance of the elastic sheet are realized, and the assembly reliability and the design efficiency are improved.

The invention provides a SiC controller electromagnetic-thermal-force full-coupling simulation design method and system, and belongs to the technical field of power electronic device simulation design, and the method comprises the steps: constructing a bidirectional real-time coupling model of an electromagnetic field, a thermal field and a mechanical stress field; the irradiation dose is determined based on the expected working environment of the SiC controller, irradiation damage factors are introduced to correct SiC material parameters, and a bidirectional real-time coupling model is input; different temperature conditions and stress conditions are input into the bidirectional real-time coupling model for multi-working-condition simulation, performance parameters of the SiC material are output, and a quantitative relation model of the performance parameters, the temperature and the stress is established to reveal the performance degradation law of the SiC material; and based on the bidirectional real-time coupling model and the performance degradation law of the SiC material, taking the switching loss and the temperature rise as optimization targets, and carrying out collaborative optimization on parameters of the SiC controller. The simulation precision is improved, the performance of the SiC controller is optimized, the reliability is improved, and the service life is prolonged.

The invention relates to the technical field of simulation design, in particular to a design method and system based on a radar antenna, and the method comprises the following steps: resolving a phase error based on thermal deformation, analyzing a dynamic sidelobe variance in combination with displacement spectrum integration and covariance mapping, and generating a waveguide skeleton through electromagnetic energy mapping fluid damping; according to the method, thermally induced phase error data is introduced, the influence of structural deformation on the phase is accurately calculated, and meanwhile, calculation of dynamic group delay and group delay difference is combined, so that the phase correction accuracy is improved. Prediction of influence of structural deformation on electrical performance, data fusion of multiple physical fields and automatic process optimization are realized, design precision and efficiency are improved, limitation of single simulation software is avoided, factors such as material loss and gain evolution are accurately corrected in the design process, performance requirements of the high-frequency radar are met, and complex environment adaptability is improved.

The invention discloses an inductor noise optimization method based on multi-physics field simulation, and belongs to the technical field of magnetic component simulation design. According to the method, COMSOL software is adopted to customize a solution domain equation to calculate three kinds of electromagnetic force coupling of Lorentz force, Maxwell force and magnetostriction force of the inductor, the coupling is converted into electromagnetic force in a frequency domain through Fourier transform, solid mechanical field simulation is carried out, and magnetostriction generated by an electromagnetic field is coupled to a solid mechanical field in a strain form; calculating the surface acceleration of the inductor in the frequency domain; and then simulating an external sound field of the inductor by taking the surface acceleration of the inductor in the frequency domain as an excitation source of pressure acoustics to obtain a change diagram of the sound pressure level at the noise point to be detected along with the frequency. By the adoption of the method, various electromagnetic forces borne by the inductor can be comprehensively considered, simulation time can be greatly shortened by conducting simulation of the solid mechanical field and the pressure acoustic field in the frequency domain, and therefore noise simulation of the inductor is accurately and efficiently completed.