249 results about "Finite element software" patented technology

The invention belongs to the technical field of direct shear-seepage tests of rock joints, and discloses a numerical test method for direct shear-seepage of rock joints under different boundary conditions, which comprises the following steps of: establishing a joint surface numerical model by using finite element software, and performing tests for simulating joint shear mechanical behaviors by applying different boundary conditions. And the contact state and the opening distribution of the joint surface under different shear displacements are obtained, so that the shear stress evolution mechanism of the joint surface is better revealed, and the mechanical behavior of the rough joint surface in the shear process is accurately expressed. According to the method, the evolution law of mechanical properties in the joint shearing process can be reflected, the influence of shearing deformation on the joint seepage characteristics can be reflected, joint opening data distribution is imported into programming software to be processed, a joint seepage numerical model is constructed, then multi-physics field simulation analysis software is imported, and the joint seepage performance is improved. The flow velocity, the osmotic pressure and the streamline distribution characteristics in the flowing process are calculated, so that the joint permeability characteristics are analyzed.

The invention discloses a low-loss planar transformer design method suitable for an LLC resonant converter, and the method comprises the steps: firstly collecting the index parameters of the LLC resonant converter, setting the target parameters of a planar transformer, selecting a magnetic core model meeting the requirements according to an AP method, and then carrying out the design of a winding structure, finally, modeling and simulation of the planar transformer are completed in finite element software, and if the simulation result does not meet the set parameter and loss requirements, selection of the magnetic core model and design of the winding structure need to be conducted again; and if the set parameters and the loss requirements are met, finishing the design.

The invention discloses a rock blasting load transfer and throwing simulation method which comprises the following steps: S1, acquiring field parameters of a target blasting project, the field parameters comprising rock mass mechanical parameters, explosive parameters, blast hole parameters and charging structure parameters; and S2, based on the field parameters, constructing a three-dimensional explosive-rock calculation model by adopting pretreatment software, dividing grids, importing the grids into finite element software, setting a material model, a state equation and boundary conditions, and simulating an explosive detonation process. The limitation of a single numerical value method is solved; quantitative analysis and accurate prediction of rock blasting lumpiness are achieved, inclined joints are adopted in the discretization process, actual rock mass joint distribution is better fitted, and the reliability of a simulation result is improved; bulk rocks and excessive crushing phenomena are effectively reduced, the explosion energy utilization rate is improved, the engineering cost is reduced, and a scientific basis is provided for explosion design of projects such as mining and water conservancy and hydropower.

The invention provides a time domain and frequency domain combined impact resistance analysis method and device for a ship stern tube, and the method comprises the steps: building geometric models of all parts in the stern tube through three-dimensional modeling software according to an actual engineering drawing of the stern tube, carrying out virtual assembly on the geometric model of each component according to the actual assembly relation of each component to obtain a geometric model of the tail shaft tube; importing the geometric model of the tail shaft tube into finite element software, endowing each component with material attributes, and carrying out grid division on the geometric model by adopting an overall network size control method; and performing static analysis on the geometric model after grid division to obtain static working stress, performing dynamic analysis on the geometric model after grid division to obtain dynamic impact stress, and synthesizing the static working stress and the dynamic impact stress into total stress. According to the method, time domain and frequency domain combined shock resistance response calculation is carried out for the tail shaft tube as a core component of the ship propulsion system, and the accuracy of shock resistance response calculation is improved.

The invention discloses an automatic radiation noise simulation method, device and equipment of acoustic finite element software and a storage medium, and relates to the technical field of noise simulation, and the method comprises the steps: obtaining a grid size and a convex hull grid distance according to a geometric model, a material and a frequency input by a user; performing mesh generation on the surface of the geometric model based on the mesh size to obtain a surface mesh; obtaining a convex hull grid based on the convex hull grid distance and the surface grid; generating a tetrahedral mesh in an area between the surface mesh and the convex hull mesh; based on the surface grid, the tetrahedral grid and the convex hull grid, acoustic radiation noise simulation is carried out, full-process autonomous generation from simulation input to grid calculation is realized, and the efficiency problem of grid division and boundary setting depending on artificial experience in the prior art is solved. The calculation precision is guaranteed, meanwhile, the pretreatment workload is reduced to the degree that only basic parameters need to be input, and the operation complexity of radiation noise simulation conducted by acoustic finite element software is reduced.

The invention relates to a cable-stayed bridge stay cable force data processing method and system based on an influence matrix. The method comprises the following steps: constructing a bridge model, and extracting a corresponding influence matrix through finite element software; taking the sum of squares of the tower deviation value, the linear difference value and the cable force difference value as a judgment function; a cable force influence matrix equation is obtained based on the superposition principle, the cable force adjustment amount of each stay cable, the initial tension vector of the stay cable, the tower deviation and the line shape of the main tower are obtained through solving, and then the cable force adjustment value vector of each stay cable is obtained through solving; establishing a mathematical model based on an optimization theory, and calculating to obtain an optimal cable force; wherein the difference value between the adjusted main tower deviation and the target tower deviation, the difference between the adjusted bridge surface line shape and the target line shape, the difference between the adjusted cable force and the mechanical cable force and the upstream and downstream deviation are used as constraint conditions, and the cable force variance is used as an optimization target function. According to the method, the uniformity of the bridge deck line shape, the offset of tower deflection and the cable force of the stay cable in the construction process can be effectively controlled.

The invention discloses a surface texturing bearing lean oil state lubricating oil distribution prediction method and system, and relates to the field of cylindrical roller bearing surface texturing, and the method comprises the steps: extracting a fluid domain from 1 / n of a simplified geometric model; the fluid domain is subjected to unstructured grid division and then imported into FLUENT software, a lubricating oil density cloud picture and a speed vector diagram in a lean oil state are obtained through the software, and then the oil flow density and the speed distribution condition of an inner raceway contact area of the cylindrical roller bearing containing the surface texture are obtained; and utilizing finite element software to perform fluid-solid coupling on the fluid domain subjected to unstructured mesh division and 1 / n of the simplified geometric model to obtain the oil film thickness of the surface texture, and further obtaining the oil film thickness distribution condition of the surface texture. According to the method, the oil flow density distribution and speed distribution condition of the inner raceway contact area of the cylindrical roller bearing containing the surface texture can be predicted, and the oil film thickness distribution condition of the surface texture can be predicted.

A kind of block discrete element-finite element combined modeling gas enrichment zone intelligent identification method, collects the stratum geological data and mine production data of abandoned mining area;Obtain stratum mechanical parameters and gas occurrence parameters;Establish a three-dimensional mine geological model in block discrete element UDEC;Carry out excavation, balance simulation of stoping section, and extract the stope fracture image after excavation;The stope fracture image is imported into image recognition software Coreldraw, and the coordinates of each stope fracture are obtained;A space grid model is established in MATLAB, and the permeability is given by using the relationship between the coordinates of the stope fracture and the space grid;The obtained permeability is imported into finite element software COMSOL in the form of interpolation method for gas flow simulation, and the gas emission and enrichment area are comprehensively determined. This method can accurately determine the enrichment area of underground gas in abandoned stope, and can provide scientific guidance for the layout of ground gas extraction well.

This invention belongs to the field of reactor structural mechanics technology, specifically relating to a method for analyzing and evaluating high-temperature bolted connection sealing structures. The invention includes the following steps: selecting the location of the reactor pressure vessel flange and main bolt connection as the object of sealing structure analysis; analyzing and summarizing the influence of gasket data on the deformation and contact surface pressure of various components of the flange bolted connection structure; researching current standards and analyzing their limitations; using the finite element software ANSYS to perform finite element modeling of the reactor pressure vessel flange and main bolt structure; applying loads and constraints to the finite element model of the reactor pressure vessel flange and main bolt structure; calculating the deformation and stress of the structure using different creep and relaxation models; analyzing the relaxation behavior of the high-temperature flange bolted connection structure using experimental methods; and comparing and analyzing the results of the finite element method, the standard method, and the experimental method. This invention enables the analysis and evaluation of the sealing performance of flange bolted connection structures under high-temperature environments.

The present application relates to the field of connector testing, in particular to a connector-based locking structure testing method and system, comprising the following steps: building a multi-physical field coupling test environment to output a composite environmental stress; based on the actual application scenario of the to-be-tested locking structure, obtaining assembly deviation data, and obtaining an assembly deviation state through a preset multi-degree-of-freedom adjustable clamp; based on the physical data of the to-be-tested locking structure, constructing a three-dimensional model of the locking structure, giving real material mechanics parameters, inputting the composite environmental stress and the assembly deviation data into a finite element software for simulation testing, and outputting a simulation test data set; performing physical testing through the multi-physical field coupling test environment, and outputting a physical test data set; comparing and analyzing the simulation test data set and the physical test data set, and outputting a test report. The present application builds a multi-physical field coupling test environment, and combines a multi-degree-of-freedom adjustable clamp to make the test scenario closer to the real application working condition of the connector.

The invention discloses a rock blasting lumpiness simulation and grading prediction method based on image processing, and the method comprises the following steps: S1, constructing a three-dimensional numerical calculation model by adopting pretreatment software HYPERMESH based on the on-site actual rock mass mechanical parameters and blasting design parameters, dividing grids, and importing the grids into finite element software LS-DYNA; the on-site actual rock mass mechanical parameters comprise rock density, elastic modulus, Poisson's ratio, yield strength and tangential modulus, and the blasting design parameters comprise blast hole spacing, row spacing, charging structure, explosive type and charging amount. According to the invention, through combination of finite element simulation and image processing, rock lumpiness simulation and grading prediction before blasting are realized, and a prediction result is highly matched with a field test; blasting parameters can be optimized in advance, secondary blasting or excessive smashing is avoided, and the engineering cost is reduced; the operation process is standardized, software is easy to obtain, engineering popularization and application are facilitated, and the method has great significance in improving the rock blasting fine design level.

This invention relates to the field of finite element analysis technology, and provides a method for designing and constructing cast-in-place piles using a single-sided open-closed temporary casing based on finite element analysis. The method includes importing constitutive parameters of soft rheological silt into computer-aided engineering nonlinear finite element software to establish a spatial mesh model of the single-sided open-closed temporary casing with upper and lower reinforcing cylinder ends and a central standard cylinder; applying high-order friction penalty function contact constraints to the sliding pin, tension rod flange, and positive and negative labyrinth joints; sequentially loading three dynamic simulation conditions: pressing, holding, and large deformation during pull-out; outputting a solid manufacturing data table based on the simulation results of the three dynamic simulation conditions; constructing a closed-loop mud circulation system to maintain head balance; and achieving low-damage pull-out and demolding. This invention combines simulation-driven design, structural optimization, and refined construction control, significantly improving the reliability, efficiency, and pile quality of cast-in-place pile construction in soft rheological strata.

The application discloses a high-altitude overhanging non-supporting steel-concrete composite structure system based on numerical simulation and a construction method thereof, which comprises an overhanging inner platform and an overhanging outer platform connected to a non-overhanging area frame system in a concave shape, wherein the non-overhanging area frame system comprises a structure column KZ1 at the junction of a non-overhanging area and an overhanging platform, a concrete frame beam KL2, a concrete frame beam KL3 and an L1 beam; reliable supports are arranged under the overhanging inner platform; sectional combined floors are poured in sequence from the non-overhanging area to the overhanging outer platform; steel beam embedded parts are fixedly arranged on the non-overhanging area frame system; the steel beam embedded parts are fixed with steel beams; the steel beams comprise a steel beam one GL1, a steel beam two GL2 and a steel beam three GL3; and the application further comprises finite element software. The application satisfies the non-supporting construction of the high-altitude overhanging structure, has the advantages of safety and reliability and strong operability, and has the advantages of convenient construction, high economic efficiency and the like, as compared with temporary support erection in the high-altitude overhanging area.

A 4D printing intelligent structure design method based on a convolutional neural network comprises the following steps: parametric modeling and data generation: controlling finite element software through a script to construct a'material parameter field-target deformation field 'sample data set in batches; data preprocessing and geometric standardization: uniformly converting a complex design domain into a standard rectangular domain by adopting a conformal mapping technology, and realizing high-fidelity standardization of physical field data; constructing a U-Net + ResNet hybrid convolutional neural network, and combining with composite loss function training to synchronously optimize global and key region deformation prediction precision; performing standardization processing on the new design after model deployment to realize second-level high-precision deformation prediction; the physical space design is restored through inverse mapping, multi-material 4D printing manufacturing is driven, and a deformation verification closed loop is completed. According to the method, the limitation of complex geometric boundaries is broken through, the nonlinear and multi-physics field coupling characteristics of the intelligent material can be accurately represented, and the practicability of the scheme is ensured by the constructed'design-prediction-manufacturing 'integrated process.

The application belongs to the technical field of simulation analysis, and particularly relates to a multi-physical field coupling simulation method of an electric spindle. The multi-physical field coupling simulation method of the electric spindle comprises the following steps: S100, a multi-physical field coupling model is established through finite element software, including: importing a geometric model, setting a material, setting a rotor dynamics module, setting a solid heat transfer module and mesh division; S200, solving is performed through the finite element software, including: performing multi-physical field coupling of a bearing nonlinear restoring force model, a motor unbalanced magnetic pull model and a spindle thermal model with the electric spindle rotor model, and obtaining dynamic performance by solving. The simulation model for the dynamic characteristic research of the electric spindle in the technical scheme can meet the demand of the dynamic characteristic research of the electric spindle under actual complex working conditions.

The invention discloses a soft soil revetment design method considering wave influence, and belongs to the technical field of coast engineering. The method comprises the following steps: analyzing wave elements and load data by simulating tide and wave propagation, and determining main factors influencing the deformation and stress of a revetment structure; non-linear characteristics of soft soil are simulated, and a stress path of a soil body under the action of a wave load is considered; finite element software is adopted to establish a bank protection structure model, and factors of interaction, large deformation and contact problems of the structure and a soil body are considered; through data simulation, the influence of the wave height and the wave moment on the stress and deformation of the structure is clarified; and dynamic data of the environment where the bank protection project is located is fed back to numerical simulation of the bank protection structure, and input parameters of the model are continuously updated, so that the model can dynamically reflect changes of actual project working conditions. The wave load and soft soil coupling effect can be accurately reflected, the accuracy, safety and economical efficiency of revetment design are improved, and the method is suitable for various soft soil foundation revetment projects.

The application discloses a container ship monitoring point selection method and system considering hydroelastic load, and the method comprises the following steps: determining a wave frequency range and a loading working condition range to be analyzed to form a plurality of working condition combinations; a finite element software is used to establish a container ship finite element model comprising a plurality of units; hydroelastic displacement is combined to calculate the hydroelastic load of each unit corresponding to each working condition combination; the hydroelastic load is applied to the model for quasi-static analysis to obtain the first normal stress of each unit under each working condition combination; the internal force of each section is calculated, and then the normal stress of each unit corresponding to each section is calculated to obtain the second normal stress of each unit under each working condition combination; based on the first and second normal stresses, the unit set corresponding to each working condition combination which satisfies the overall strain dominance is calculated, and the intersection of all sets is calculated as a candidate monitoring point; according to the steel sea-going ship classification regulation and the structural characteristics of the container ship, the monitoring point which can be arranged and satisfies the actual engineering operability is selected from the candidate monitoring point.

The application provides a high-resolution reconstruction method for sheet microstructure modeling, and relates to the technical field of metal structure reconstruction. The application obtains sheet thickness and average grain size by performing morphology and EBSD characterization on a metal material, compiles a microstructure reconstruction program based on a space segmentation algorithm and a sheet division algorithm, and establishes a microstructure reconstruction model; the three-dimensional reconstruction model closest to the real microstructure is obtained by adjusting the control parameters in the reconstruction program, namely sheet orientation, grain distribution and iteration number; the application can quickly and accurately reconstruct the sheet microstructure, and the generated microstructure model has high compatibility and can be transplanted to various finite element software for simulation analysis.

The application discloses a construction method for erecting a 40m box girder on a 35m erected girder, and comprises the following steps: S1, a 35m prefabricated box girder model is established by using a finite element software to perform calculation and analysis, and a feasible conclusion is obtained; S2, a first crane and a second crane are arranged; S3, the first crane is hoisted to the left bridge deck of the xth span, and the second crane is positioned in the X+2th span range; S4, the first crane and the second crane erect the 40m box girder from a girder transporting vehicle to the inner edge girder and the inner middle girder of the x+1th span according to preset hoisting steps; S5, after the inner edge girder and the inner middle girder are erected, a girder transporting channel of the x+1th span is formed; and S6, after the remaining box girders of the left bridge deck of the x+1th span are completed through the girder transporting channel of the x+1th span, the left bridge deck of the x+1th span which has been erected is used as a girder transporting channel of the right bridge deck of the x+1th span, and the box girders of the right bridge deck of the x+1th span are hoisted.

The invention belongs to the technical field of structure optimization design, and particularly discloses a structure numerical simulation and optimization integration method based on a physical information neural network. According to the application, after the node displacement vector is constructed, the boundary condition equation and the structure balance equation of the simulation dimension and the optimization target control equation of the optimization dimension are fused into the loss function of the physical information neural network to guide training; and when the training parameters of the physical information neural network meet preset conditions, determining multi-dimensional parameters of optimal solution. Through the above mode, the strong nonlinear fitting capability of the physical information neural network is utilized to carry out synchronous analysis and solution on the mechanical response state and the optimization target of the target engineering structure under specific boundary conditions and load effects, compared with traditional finite element simulation and optimization, repeated model correction and iterative calculation are not needed, and the method has the advantages of being simple in structure and convenient to operate. And an interface between an optimization algorithm and finite element software does not need to be repeatedly called, so that the efficiency of structure numerical simulation and optimization can be effectively improved.

The application belongs to the field of aircraft design, and particularly relates to a stress intensity factor acquisition method, device, equipment and storage medium, which comprises the following steps: determining a crack initiation mode of a hole edge crack, calculating a stress intensity factor correction coefficient beta1 of a single hole edge crack by calling a finite element software and using a fitting function method; calculating a stress intensity factor correction coefficient beta2 of a double hole edge crack by calling the finite element software and using the fitting function method; obtaining a crack tip stress intensity factor correction coefficient beta3 under the influence of a side hole according to an analytical method; obtaining left and right crack tip stress intensity factor correction coefficients beta4 and beta5 under the influence of a side crack according to the analytical method; and calculating a stress intensity factor of the hole edge crack according to a combined multiplication formula stress intensity factor. The application is aimed at solving the stress intensity factor of a multi-hole and multi-crack structure of an aircraft, and different solving methods are respectively given for different boundary conditions.

The invention discloses a physical field uniformity control method and system in the die forging forming process of a complex-shaped component, and the method comprises the steps: building a finite element model in the forging forming process, and obtaining a physical field at any moment through simulation calculation; the forming process is divided into a plurality of stages, and different forging speeds are adopted in each stage; designing a plurality of groups of different forging process parameter combinations, and performing finite element numerical simulation calculation on each group of parameters; establishing a coordinate system, and selecting data sampling points on the forge piece according to a Poisson disc sampling method; constructing a forming process data set of data sampling points by applying a finite element simulation calculation result and a finite element software point tracking function; a machine learning algorithm is selected, and a forming process prediction model is established by applying the data set; and a comprehensive optimization function is constructed, and forging process parameters for improving the uniformity of the physical field are rapidly determined, so that simultaneous rapid prediction and online accurate regulation and control of the space uniformity and the time-dependent uniformity of the physical field are realized.

The application discloses a kind of engine cooling fan assembly strength calculation method based on one-way fluid-solid coupling, comprising: the geometric model of cooling fan assembly is established;Utilize the finite element model of cooling fan assembly and external flow field generated by mesh division software;In structural analysis software, respectively, to cooling fan and fan support plate is endowed with material mechanics characteristics, and boundary condition is set;In computational fluid dynamics software, set the turbulence model and boundary condition of external flow field;Blade surface is set as fluid-solid coupling surface, first solve flow field using computational fluid dynamics software, pass blade surface pressure in calculation result to finite element software by interpolation, and finite element software is used as boundary condition to simulate and analyze the structural strength of cooling fan assembly, and obtain cooling fan assembly strength.The application improves the accuracy of the model and ensures the calculation efficiency by taking the aerodynamic pressure load on the blade as the boundary condition when predicting the structural strength of the cooling fan.

The application discloses a kind of based on deep learning's staged tension prestressed long-term loss prediction method, belong to deep learning field, this method solves the problem that traditional prestress determination method prediction result robustness is poor, including: based on standard drawing set and bridge design specification obtains bridge original data;Based on construction environment condition and concrete age, calculate concrete material attribute;Based on bridge original data and concrete material attribute, utilize finite element software to simulate the staged tension process of prestressed reinforcement under different working conditions, generate bridge prestressed reinforcement staged tension loss data set;Based on multilayer perception machine neural network, construct prestressed loss prediction model, based on prestressed loss prediction model, bridge prestressed reinforcement staged tension loss data set is handled, and the long-term loss prediction result that prestressed reinforcement is caused by shrinkage and creep is output.The application can effectively predict the stress loss of prestressed reinforcement, improve the robustness and accuracy of prediction.

The invention relates to the technical field of railway engineering track structures, and discloses a double-block ballastless track temperature, humidity and stress state coupling simulation method, which comprises the following steps: determining a heat exchange process of a complex environmental condition and a ballastless track; finite element models of a temperature field, a humidity field and a stress field of the double-block ballastless track are established in finite element software ABAQUS, and corresponding grid attributes, boundary conditions and analysis step types are set respectively; a USDFLD subprogram, an HETVAL subprogram and an FILM subprogram which are used for temperature field calculation are written; calculating a temperature field of the double-block ballastless track bed; calculating a humidity field of the double-block ballastless track bed, and importing a temperature field calculation result into a humidity field finite element calculation model as a temperature condition; writing a USDFLD subprogram and a UEXPAN subprogram for calculating the stress of the ballastless track bed under the condition of damp-heat coupling; and calculating a stress field of the ballastless track bed, and taking calculation results of a temperature field and a humidity field as boundary conditions, so that accurate simulation of multi-field distribution of the double-block ballastless track bed under damp and hot force coupling is realized.

The invention discloses a method for forecasting stress and fatigue life of an articulated joint of a marine emergency bridge under a moving load. A wave-bridge action numerical model is established in fluid software, and an external drainage basin and bridge motion numerical model is constructed according to computational fluid mechanics (fluid). Finite element calculation is carried out under the same model proportion, and the fluid and the finite element model have the same size and the same position in the coordinate system of the fluid and the finite element model. And constraining the finite element model, and further applying a moving load. And operating the fluid software, and mapping the pressure data of the fluid software to the finite element software. And feeding back the movement of the bridge and the deformation of the joint structure obtained in finite element analysis in the finite element software to the fluid solver through a grid mapping technology so as to update grid data in the fluid solver. By forecasting the deformation of the hinge joint of the marine emergency bridge in a multi-field coupling environment, more accurate reference data is provided for the design of the joint of the marine emergency bridge.

The application provides a honeycomb reef limestone numerical model coupling generation method, comprising the following steps: S1, the structural characteristics of a honeycomb reef limestone sample are characterized as a plurality of n-polygon unit bodies, and geometric parameters of the unit bodies are determined; S2, a pore radius is determined; S3, a three-dimensional geometric model of the unit bodies is established by using finite element software; S4, the three-dimensional geometric model of the unit bodies is subjected to particle filling by using discrete element software; S5, the unit bodies are copied, arranged and combined to form a three-dimensional geometric model of a complete sample; S6, a radial pore structure is generated in the three-dimensional geometric model of the complete sample by using pore particles, and the radius of the pore particles is equal to the pore radius in step S2; and S7, the pore structure is deleted, and contact properties are applied to the particles of the three-dimensional geometric model of the complete sample. The application can perform three-dimensional fine modeling on the skeleton structure of the honeycomb reef limestone, and provide an accurate model for the study of the meso-mechanical characteristics of the reef limestone and the simulation calculation of the bearing capacity of an actual engineering foundation.

The present application relates to a kind of determination methods of underwater foundation pit disaggregation energy control blasting cushion height, the present application sets up n+1 buffer pad to be preferred height in the preferred range of the optimum height δ of buffer pad, using ansys finite element software, establish blasthole, bedrock, explosive, block, the finite element model of n+1 buffer pad to be preferred height, get the damage depth of bedrock under the action of blasting, then the damage depth of bedrock after using different buffer pad height is compared, the to-be-optimized height δ that satisfies the following conditions i It is the best selected thickness of buffer pad: the damage depth h of bedrock under the action of blasting i Gradually tend to be stable and the height of buffer layer is minimum at this time.The present application can meet the actual engineering problem, protect the excavation of bedrock at the same time, meet the blasting construction specification, avoid secondary construction, speed up construction efficiency and realize efficiency maximization.

The invention provides an aircraft structure load distribution determination method, and relates to the technical field of aircraft structure load design, and the method comprises the following steps: S1, generating an aircraft aerodynamic load conversion model node force; s2, generating structural finite element model node aerodynamic force; s3, generating acceleration and angular acceleration of the aircraft in three directions of the aircraft body coordinate system, and calculating to obtain structure node inertia force; s4, the structural node aerodynamic force and the structural finite element model node inertia force are combined to generate a total structural load, and shear bending moment distribution is generated; as important input of aircraft structure strength design, rapid processing and generation of aircraft structure loads are achieved. According to the processing method, finite element software is not needed for solving, the aircraft structure load processing process is processed and standardized, the calculation efficiency is high, and the aircraft structure load can be rapidly processed only through aerodynamic load input, aerodynamic load conversion model node and unit data and aircraft mass distribution.

The application relates to the technical field of component assembly, in particular to a component assembly scheme generation method and system, which comprises the following steps: acquiring part information corresponding to assembly parts, and constructing a multi-physical field model corresponding to the assembly parts based on finite element software; identifying key control points in the multi-physical field model; generating simulation rules based on part batches, and adjusting assembly working conditions corresponding to the multi-physical field model according to the simulation rules; updating the key control points based on simulated assembly working conditions, and generating an initial population set based on a genetic algorithm technology; dynamically adjusting deviation weight coefficients corresponding to the key control points based on the assembly working conditions by adopting a preset weight mechanism; and optimizing and iterating the initial population set according to the deviation weight coefficients and iteration parameters, so as to obtain an actual assembly scheme. The preset weight mechanism is used to automatically adjust the deviation weight coefficients of the key control points according to the assembly working conditions, so that the problem that the prior art lacks dynamic adaptability is solved.