278 results about "Modeling software" patented technology

The invention relates to an iron tower foundation safety analysis method considering the dry-wet cycle effect. The method comprises the following steps that 1, a soil body strength degradation constitutive model is established; 2, determining iron tower foundation structure parameters and soil body parameters; 3, establishing an iron tower foundation-soil body three-dimensional geometric model by utilizing three-dimensional modeling software and rock-soil finite element simulation software; 4, applying a load transmitted to the iron tower foundation by the power transmission iron tower in the iron tower foundation-soil body three-dimensional geometric model, defining initial parameters, and establishing a rainwater seepage and dry-wet cycle coupling effect analysis model; 5, analyzing and predicting the cycle index when the safety coefficient of the iron tower foundation is reduced to a threshold value from the two aspects of tower foundation ultimate bearing performance and iron tower foundation-soil body interaction on the basis of a rainwater seepage and dry-wet cycle coupling effect analysis model; according to the method, an efficient and accurate numerical analysis means can be provided for safety assessment of the power transmission tower foundation in the collapsible loess area.

The invention provides a cavity thin-wall part printing method and system, a storage medium and equipment, and the method comprises the step of adopting a cavity part regional printing processing method with different forming parameters. A thin-wall cavity part of a part is independently split into an integral part through three-dimensional modeling software, a main body structure part and a thin-wall cavity structure part are split into a plurality of parts, and different filling printing parameters are adopted for machining the parts of different structure parts. By means of the printing method, heat accumulation can be effectively shared, distribution of residual stress is reduced, finally, the size structure precision of the thin-wall part is effectively guaranteed, and the printing success rate of the complex cavity part is increased.

The invention discloses a building information model automatic construction method and system and a storage medium. Multi-source data are collected and preprocessed to form input data in a unified format; respectively extracting two-dimensional and three-dimensional features by using a multi-branch architecture of a convolutional neural network, and comprehensively outputting feature information of the building component in a feature fusion layer; and calling a modeling software interface to convert an identification result into corresponding components, and sequentially assembling the corresponding components into a complete building information model. In order to ensure the accuracy of the model, the method introduces a repairing mechanism based on geometric constraint to adjust gaps and overlapping between components, meanwhile, the volume error rate and the position deviation of the model are verified through statistical analysis, if the volume error rate and the position deviation exceed threshold values, error data are fed back to a network to be retrained, and closed-loop optimization of the model construction process is achieved. And the automatic feature extraction capability of deep learning is combined with a BIM software modeling mechanism, so that the modeling efficiency and precision in a complex scene can be remarkably improved.

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 provides a BIM-based pipeline comprehensive arrangement construction method, and relates to the technical field of building construction.The method comprises the steps that (1) modeling is conducted according to specialties, specifically, a Magicad platform serves as basic modeling software, and BIM models of all specialties are systematically established; (2) pipeline integration: combining the professional BIM models into the same space through a Magicad platform; (3) collision detection: performing collision detection on the first pipeline comprehensive model through a Magicad platform; (4) collision optimization adjustment: optimizing pipeline arrangement of the first pipeline comprehensive model according to a collision detection result; (5) design change and entity verification: verifying the consistency of the second pipeline comprehensive model and the site, and optimizing and adjusting the second pipeline comprehensive model according to a verification result and design drawing change; (6) process simulation: carrying out visual simulation on the construction process of the final installation scheme; (7) material preparation and construction; and (8) quality acceptance. According to the scheme, the construction efficiency can be improved, and labor and material cost is reduced.

The invention relates to the technical field of image processing, in particular to a numerical control milling machine workpiece three-dimensional modeling method and system. The method comprises the following steps: clamping a workpiece on a numerical control milling machine, controlling the workpiece to rotate at a constant speed, synchronously performing axial feeding, and collecting a correction spiral image sequence and a groove bottom image sequence; performing space-time registration on the corrected spiral image sequence and the groove bottom image sequence to extract workpiece modeling feature data; performing conversion from polar coordinates to rectangular coordinates based on the workpiece modeling feature data, resolving three-dimensional space coordinates and corresponding surface attribute values, and generating workpiece three-dimensional point cloud data; and inputting the three-dimensional point cloud data of the workpiece into three-dimensional modeling software, and carrying out gridding processing and texture rendering to obtain a three-dimensional digital model of the workpiece. According to the method, the workpiece is driven to execute self-adaptive tracking spiral motion, so that visual shielding caused by dense threads is avoided, and high-precision three-dimensional modeling of the small-helix-angle deep-groove workpiece is achieved.

The invention relates to the technical field of industrial automation and digital twinning crossing, and discloses a production line debugging method and system.The method comprises the following steps that three-dimensional modeling software is used for conducting modeling on a production line physical entity to generate a production line three-dimensional model, and the production line three-dimensional model is imported into three-dimensional processing software; the three-dimensional processing software performs format conversion on the production line three-dimensional model and then imports the production line three-dimensional model into the three-dimensional engine software, the three-dimensional engine software generates a three-dimensional engine based on the production line three-dimensional model subjected to format conversion, and the conversion control layer controls a production line physical entity to act by utilizing the three-dimensional engine. The problems of long debugging time and the like in the prior art are solved.

The invention discloses a reverse modeling method and device for rapidly evaluating and counting turbine blade profile deviation and a medium, and the method comprises the steps: obtaining coordinate data of a limited section through three-coordinate measurement, and processing key areas such as a film hole and a trailing edge in a data processing stage to form measurement point data of a complete section; according to the multiple pieces of section coordinate data, curved surface modeling is conducted through a curved surface reconstruction mode fitting method, and a complete machined blade shape is obtained; comparing the actually processed blade with the designed blade to obtain the deviation between the two blades, and finally obtaining the deviation of the processing model; the key parameters are adjusted through blade grid modeling software to be fitted with the machined blade, and then the variable quantity of the key design parameters is obtained; through statistics of batch blades, the change range of key design parameters of the blades is obtained, a machining deviation blade profile is generated, and a turbine cooling blade entity is generated, so that pneumatic, heat transfer and strength analysis is carried out according to a turbine blade entity model sample.

The invention discloses a preparation method of a bionic vibration reduction structure of an aircraft wing leading edge, relates to the technical field of aircraft wings, and completes establishment of a bionic kangaroo jumping structure, a bionic origami honeycomb structure and a bionic woodpecker spiral structure based on three-dimensional modeling software. A bionic kangaroo jumping structure, a bionic origami honeycomb structure and a bionic woodpecker spiral structure are regionally filled into a traditional aircraft wing entity model in Magics software, and based on a laser powder bed melting technology, nickel-titanium alloy powder is used for printing and forming the filled traditional aircraft wing entity model; and preparing a PU-MXene mixed solution, and plating the PU-MXene mixed solution on the surface of the printed and formed solid model of the wing of the traditional aircraft through an electrochemical deposition method. The effects of damping the leading edge of the aircraft wing, improving the rigidity, absorbing sound, reducing noise and being super-hydrophobic are achieved.

The invention provides a method and system for positioning equipment along a linear project, and belongs to the technical field of informatization management. According to plane design parameters and longitudinal section design parameters, a space curve of the linear project is drawn in a BIM model; importing a pile-by-pile coordinate parameter table generated by the space curve of the linear engineering into three-dimensional modeling software, establishing a three-dimensional coordinate system Sxyz in the three-dimensional modeling software, namely, establishing a dynamic coordinate, and realizing mileage data-three-dimensional coordinate conversion through the dynamic coordinate, so as to obtain the mileage data. And meanwhile, the transverse offset distance of the equipment along the line is determined according to the width control curve, and the point P is offset, so that the positioning process of the equipment along the line is more practical, and the positioning precision of the equipment along the line in linear engineering in three-dimensional modeling software is improved.

The invention relates to a frame format online reconstruction system and method based on an FPGA (Field Programmable Gate Array) external memory, belongs to the technical field of carrier rockets, and solves the problems of long development period and code compatibility of single-task software. The system comprises a TOP module, a RESET function module, an MLVDS communication function module, an EEPROM storage function module and a frame format reconstruction function module, the EEPROM storage function module is used for performing write operation on configuration parameters sent by a main module according to function division of a storage space and solidifying the configuration parameters in an EEPROM, and after power-off restart reset is finished, the EEPROM storage function module is used for performing write operation on the configuration parameters sent by the main module. Reading operation is executed on the EEPROM, and read configuration parameters are distributed to a frame format reconstruction module according to functional area division; and the frame format reconstruction function module is used for executing reconstruction logic operation of the frame format. By means of the system, productization and generalization design of multi-task model software is achieved, and the software reuse rate is remarkably increased.

The application discloses a kind of rockfill dam deformation stability evaluation method based on multi-parameter analysis, it is related to water conservancy engineering technical field, and evaluation step is:S1, based on the data of monitoring point to rockfill dam is collected, data includes dam body deformation data and dam body contour data, data set is formed after data pre-processing;S2, dam body deformation data is converted into deformation time series according to time sequence, its fractal dimension is calculated by box counting method, and the mapping relationship between fractal dimension and rockfill dam deformation stability is established by combining historical data statistical analysis;S3, dam body contour data is imported into three-dimensional modeling software, and three-dimensional geometric model of rockfill dam is constructed.The application constructs comprehensive evaluation system, carries out correlation degree analysis and verification to fractal dimension, displacement strain index, obtains evaluation value based on weighted average method, intelligently divides stability grade, and provides intuitive decision basis for water conservancy engineering management.

The invention discloses an intelligent construction method for multi-lamp cooperative angle adjustment of intelligent illumination engineering, and the method comprises the steps: 1, constructing a three-dimensional point cloud model of a construction region, extracting the coordinate data of an obstacle, and generating a light distribution map; 2, constructing an on-site three-dimensional model by adopting three-dimensional modeling software; 3, determining the installation coordinates of each lamp through simulation calculation by using illumination simulation software according to the constructed on-site three-dimensional model, and 4, dividing a construction area into different illumination intensity areas according to a light distribution map, setting different lamp inclination angles in different areas, and determining the installation coordinates of each lamp according to the different lamp inclination angles. 5, sending a cooperative angle adjustment instruction to the target partition lamp through the light control system, and 6, starting a self-learning control algorithm based on the data accumulated in the step 5; the beneficial effects of the invention are that through the self-learning control algorithm, the self-adaptive adjustment of the illumination system is realized, and the intelligent level and user experience of the illumination system are improved.

The invention discloses an intelligent part assembling method, system and equipment, and relates to the technical field of intelligent part assembling. The method comprises the steps that multi-modal data of multiple to-be-assembled parts is acquired; the multi-modal data comprises texts, CAD drawings and process parameters; the text is a natural language instruction or a design requirement; generating a model based on the multi-modal data of each to-be-assembled part and a two-dimensional part graph, and obtaining a two-dimensional part graph of each to-be-assembled part; the two-dimensional part graph generation model is obtained by training an initial network model by adopting a training set; performing design space optimization and multi-objective optimization on the two-dimensional part drawing of each to-be-assembled part to obtain an optimal three-dimensional part drawing of each to-be-assembled part; preset modeling software is adopted, the multiple to-be-assembled parts are automatically assembled on the basis of a preset assembly instruction and the optimal three-dimensional part drawings of the multiple to-be-assembled parts, and an assembly drawing containing all the parts is obtained. According to the invention, efficient and automatic generation and accurate and intelligent assembly of the part model are realized.

The present application relates to the technical field of engineering drawing, and particularly relates to a three-dimensional model generation method, device, equipment and storage medium. The method loads a two-dimensional drawing through a building three-dimensional modeling software, identifies layer names of all layers in the two-dimensional drawing, and determines a component type of a component corresponding to each layer according to each layer name; determines a corresponding drawing identification mode and a corresponding information analysis mode according to the component type; extracts a drawing feature group corresponding to the component from a corresponding layer according to the drawing identification mode; analyzes the drawing feature group according to the information analysis mode to obtain modeling information corresponding to the component; and performs three-dimensional modeling based on the modeling information corresponding to each component to obtain a three-dimensional model corresponding to the two-dimensional drawing, thereby solving the problem of low accuracy in converting a two-dimensional drawing into a three-dimensional model in the prior art.

The invention discloses a method for manufacturing an ornament inlaid with gemstones. The method comprises the following steps: creating the ornament by adopting sculpture mud, scanning a mud sculpture prototype, obtaining three-dimensional data of the prototype, finely adjusting the data through software, and printing an initial blank of the ornament by adopting a 3D printer; the initial blank of the ornament is fixed in a casting mold, a metal material in a molten state is injected into the casting mold, three-dimensional point cloud data of a mud carving prototype is obtained by means of 3D scanning, detail fine adjustment is conducted in cooperation with three-dimensional modeling software, machining allowance is reserved through a quantification formula, it is ensured that prototype art details are accurately transmitted to the initial blank, and the precision of the prototype art details is improved. A gemstone inlaying groove gap, a mother-of-pearl inlaying piece adaptive processing requirement and a fixing mode are defined, the inlaying firmness and visual coordination are improved, and the problems of gemstone looseness and poor mother-of-pearl inlaying fitting in traditional inlaying are solved; in the color enamel coating and finished product processing stage, the pigment ratio, baking parameters, cleaning modes and packaging protection measures are standardized, it is ensured that the color of the color enamel is stable, and the finished product is clean and complete.

The application relates to a complex terrain mapping method, a complex terrain mapping system, computer equipment and a computer readable storage medium. The method comprises the following steps: controlling a UAV to perform an aerial photography task to obtain multiple aerial photography images; using a pre-trained target detection algorithm model arranged on the UAV to identify complex terrain content from the aerial photography images, and marking the corresponding complex terrain area of the complex terrain content; obtaining the aerial photography images and importing them into a terminal device, using a three-dimensional modeling software to perform conventional modeling on the aerial photography images to obtain a main three-dimensional model; obtaining the complex terrain area marked in each aerial photography image, and performing fine modeling on the complex terrain content of the complex terrain area to obtain a complex terrain three-dimensional model; and generating an overall three-dimensional model diagram of a target area according to the main three-dimensional model and the complex terrain three-dimensional model. The technical scheme reduces the professional degree requirement of mapping complexity containing complex terrain, and promotes the popularization and use of UAV mapping technology.

This invention belongs to the field of 3D modeling technology and discloses a method and system for displaying real-scene 3D product results based on LiDAR. The method includes: scanning the target product with a 3D scanning device to obtain real-scene 3D data of the product; performing multi-step denoising, layered collaborative hole filling, and optimization on the 3D data to obtain preprocessed 3D data; using the preprocessed 3D data, constructing a 3D model of the target product through 3D modeling software; creating a virtual display environment in a virtual reality engine and importing the 3D model into the environment; designing interactive functions for the virtual reality scene and receiving user feedback data in real time to optimize the 3D model of the target product. This invention combines multi-step denoising and layered collaborative hole filling to effectively filter out noise and repair low-density areas, thereby reducing the error of traditional point cloud registration.

This invention provides a peak-scale response analysis method based on nested sub-basin division. By constructing a nested sub-basin structure controlled by area thresholds, and based on a unified design storm conditions and hydrological model parameter system, the method calculates peak discharge under different scale conditions by only changing the sub-basin division scale. It also establishes a logarithmic decay function model between peak discharge and the number of sub-basin units, achieving a quantitative expression of peak-scale response. Furthermore, by comparing and analyzing the scale decay coefficients under different design frequencies, the method quantifies the sensitivity of peak discharge to changes in the division scale. This method forms a complete technical process from data acquisition, structure construction, control variable setting, model running to function modeling and sensitivity analysis. It features a clear logical closed loop, strong repeatability, and good generalization, and does not depend on specific hydrological model software or specific watershed conditions. Under the premise of meeting the unified storm input and nested division principles, it can be widely applied.

The application discloses a kind of composite material curing after re-perforation deformation prediction method, first use three-dimensional modeling software to establish the finite element model of not being perforated, and carry out mesh division;Adopt the method of complete thermal coupling, respectively through calculation to obtain temperature, curing rate, degree of cure, and stress result before demoulding;By converting the boundary condition of finite element model, through stress calculation method, the stress distribution result and displacement deformation result of finite element model after demoulding are recalculated, obtain the stress distribution result and displacement deformation result after demoulding;Then again mark the area needing to be perforated, and carry out stiffness reduction, release stress, realize the simulation to be perforated, through stress calculation method, the stress distribution result and displacement deformation result of finite element model after perforation are recalculated;Export the back result of component after perforation and the result before curing, with the aid of Geomagic Control software carries out high-precision fitting, obtains the final curing after perforation deformation result.

The application relates to the technical field of computer-aided engineering and computer-aided design data integration, and discloses a Catia data conversion method and system for CAE preprocessing modeling software, which comprises the following steps: loading a Catia model and traversing a product structure tree to extract parameterized semantic information; converting geometric data into a boundary representation format and detecting defects; automatically repairing serious topological defects by using a deep learning model; constructing a hierarchical intermediate format based on a general digital thread protocol, and associating geometry, semantics and analysis attributes; dynamically adjusting model precision according to simulation types; and exporting a format suitable for CAE software and generating a parameter mapping table. The application can realize lossless conversion of a Catia model to a CAE environment, retain design semantics and parameter association, support precision self-adaptive adjustment of multi-physical field analysis, and significantly improve CAE preprocessing efficiency.

The invention provides a cross attention guidance feature fusion-based profile map target recognition method, which comprises the following steps of: selecting 3D models from a data set, and randomly combining the 3D models into an indoor scene model by utilizing modeling software; sectioning the indoor scene model along the same axis to obtain an ASD profile map data set; inputting the ASD profile map data set into a double-input backbone network for feature extraction to obtain a feature map of branch extraction; performing cross attention guidance feature fusion processing on the feature map subjected to branch extraction to obtain a fused feature map; performing multi-scale feature enhancement processing on the fused feature map to obtain an enhanced multi-scale feature map; and after the enhanced multi-scale feature map passes through the neck and the head, a target identification result is obtained. According to the method, the multi-scale feature expression capability is enhanced through the cascade group and the cross-global attention feature mechanism, and the parameter redundancy is remarkably reduced by adopting the adaptive shared convolution head, so that the precision and efficiency of profile image recognition are improved.

The application provides a kind of karst cave fast modeling method and system based on multi-source data, the method comprises: collecting multi-source data including geological exploration data, remote sensing data and unmanned aerial vehicle aerial data, and pre-processing the multi-source data;The data after pre-processing is fused using weighted fusion or principal component analysis method;Shape feature, size feature and position feature are extracted from the fused data;The extracted karst cave features are converted into point cloud data or grid data, and a karst cave model is constructed using a three-dimensional modeling software;The initial model is edited by vertex, adjusted by face sheet, and the model morphology is corrected in combination with expert experience;The constructed karst cave model is compared with the actual geological data, and if the error exceeds the preset threshold, the model parameters are iteratively adjusted until the accuracy requirement is met.The application can realize efficient extraction, accurate modeling and dynamic optimization of karst geological information.

The invention relates to a method and a device for calculating a diffusion coefficient of a cross-linked by-product in a cross-linked polyethylene cable, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: performing parameter measurement on an uncrosslinked polyethylene insulation material and a crosslinked polyethylene cable based on a preset measurement method to obtain structural parameters of a crosslinked polyethylene material; based on the structure parameters, constructing a composite model of the crosslinked polyethylene material through molecular modeling software; performing energy minimization processing and molecular dynamics simulation on the composite model to obtain a balance model; and carrying out production simulation on the balance model, and determining the diffusion coefficient of the cross-linked by-product in the balance model in the production simulation process. By adopting the method, the diffusion coefficient of the cross-linked by-product in the cross-linked polyethylene cable can be accurately determined at low cost.

The invention relates to a recarving construction method for an urban updated wooden roof truss. The recarving construction method comprises the following steps: performing three-dimensional scanning on an original wooden roof truss to form a three-dimensional model of the wooden roof truss; importing the three-dimensional model of the wooden roof truss into BIM modeling software; determining complete parts and damaged parts in the three-dimensional model; manufacturing a repair sample plate for the damaged part; performing three-dimensional scanning on the repairing sample plate; importing the three-dimensional model of the repairing sample plate into BIM modeling software, and combining the three-dimensional model of the repairing sample plate with the three-dimensional model of the wooden roof truss to obtain a repaired wooden roof truss three-dimensional model; optimizing connecting nodes of the wooden roof truss; production drawings of all parts of the wooden roof truss are generated, and the parts are manufactured; splicing to obtain a recarved wooden roof frame; and carrying out hoisting installation. According to the method, the three-dimensional model of the original roof truss is generated by adopting the three-dimensional scanning technology, and the structure of the wooden roof truss is repaired by combining the BIM modeling software and the repairing sample plate, so that the building updating effect is guaranteed, reworking is avoided, and the construction progress is accelerated.

The application discloses a gradient W-based alloy and a 3D printing method and application thereof, and belongs to the technical field of tungsten-based alloys. In the 3D printing method, the porosity of each printing layer can be controlled through the mutual matching of the design of a three-dimensional modeling software and the layer-by-layer printing of preset parameters, and the gradient porous W skeleton can be directly obtained through the preset printing gradient standard, the printing process is accurate and controllable, and the problems of weak process controllability and low precision in the prior art are solved. The process flow is simple, the alloy composition and structure are strong in designability, the gradient W-based alloy with continuously and gradually changed structure and performance can be stably prepared, and the problems of complex procedure, long preparation period and great difficulty in batch and large-scale production in the existing preparation process are solved.

The present application relates to a kind of three-dimensional geological grid model to numerical analysis model conversion and attribute data mapping method, to improve the data conversion accuracy and efficiency between geological modeling and numerical analysis.The method includes the following steps: first, from the geological modeling software export includes grid geometry information and physical attribute first grid data file;By depth analysis, topological rearrangement and unit type matching and the method for accurately mapping physical attribute data generation second format file in line with the requirement of target software;Finally import second format file in numerical analysis software, automatically generate numerical analysis model has been endowed with initial attribute, complete from geological model to numerical analysis model seamless conversion.The present application is accurately mapped to the attribute data of target grid topological sequence, strictly aligns physical attribute data and geometric data, solves the attribute loss problem caused by topological rearrangement and geometry conversion in traditional method, so as to improve the accuracy and reliability of numerical analysis model.

The invention discloses a spiral groove gas film sealing steady-state parameter optimization method based on flow field analysis, and the method comprises the steps: building a three-dimensional model of a spiral groove gas film and a sealing ring through three-dimensional modeling software, and carrying out the grid division of the three-dimensional model; setting a gas film steady-state parameter calculation formula and a thermal steady-state energy calculation formula in simulation software, and performing simulation analysis; determining gas film steady-state parameters of the sealing ring according to a simulation result, such as gas film opening force, leakage rate, gas film rigidity and rigidity-to-leakage ratio, so as to explore the sealing performance of the sealing assembly and the direction of subsequent parameter optimization; and finally determining the parameters of the actually processed sealing ring. Through an analogue simulation mode, the redundant workload of a gas film sealing experiment can be effectively reduced, the experiment period is greatly shortened, efficient and accurate technical support is provided for design, parameter optimization and subsequent experiments of spiral groove gas film sealing, and the method has remarkable engineering application value.

The invention discloses a landslide prediction method based on a digital twinborn technology. The method comprises the following prediction steps: establishment of a landslide earth surface three-dimensional model: setting a flight path to ensure that the whole area is covered, utilizing an unmanned aerial vehicle to be equipped with an aerial camera to fly according to a specified planned route, shooting area images at multiple angles and at multiple heights, and utilizing software to generate a three-dimensional terrain model; establishing a landslide geological three-dimensional model: collecting and preprocessing drilling data, importing the preprocessed drilling data into three-dimensional geological modeling software, setting a grid range and grid precision, obtaining a lithologic model, and smoothing the lithologic model to obtain a landslide deep three-dimensional model; coupling the landslide surface three-dimensional model and the landslide deep three-dimensional model to generate a digital twinborn model; selecting a plurality of factors influencing landslide deformation, and performing correlation detection on the influence factors. According to the method, the prediction precision is improved, and important technical support is provided for promoting landslide prediction.

The invention relates to the technical field of computer-aided engineering and computer-aided design data integration, and discloses a Catia data conversion method and system for CAE pretreatment modeling software, and the method comprises the steps: loading a Catia model, and traversing a product structure tree to extract parameterized semantic information; converting the geometric data into a boundary representation format and detecting defects; a deep learning model is used for automatically repairing serious topology defects; constructing a hierarchical intermediate format based on a general digital thread protocol, and associating geometric, semantic and analysis attributes; dynamically adjusting the model precision according to the simulation type; and exporting a format adaptive to the CAE software and generating a parameter mapping table. According to the method, lossless conversion from the Catia model to the CAE environment can be realized, design semantics and parameter association are reserved, precision self-adaptive adjustment of multi-physics field analysis is supported, and the CAE pretreatment efficiency is remarkably improved.