191 results about "Hexahedron" patented technology

The invention provides a finite element analysis method for a competition-level site cross-country motorcycle frame, and belongs to the technical field of crossing of computer-aided engineering and vehicle structure design. The method comprises the following steps: performing parametric modeling on a frame main bearing structure based on CATIA software, and simplifying non-functional characteristics; importing the model into ANSYS Workbench, generating a high-precision finite element model by adopting a grid division strategy of mixing tetrahedron and hexahedron units, and considering the calculation efficiency and precision; defining material characteristics; a limit load working condition is simulated through statics analysis, a displacement cloud picture and a stress cloud picture are combined to be compared with the yield strength of a material, and topological optimization is conducted on a weak area; meanwhile, the inherent frequency of the frame is extracted through modal analysis, and the resonance risk is avoided. According to the method, statics analysis and modal analysis are carried out on the frame through cross-platform co-simulation, the structural reliability is evaluated, and the method is suitable for efficient development and performance optimization of competition-level cross-country motorcycle frames.

The invention discloses a complex medium controllable source electromagnetic multi-parameter three-dimensional inversion method and system, and the method comprises the steps: carrying out the three-dimensional space discretization of an exploration region, and carrying out the multi-time iteration inversion of a discrete exploration region through initializing a multi-parameter geologic model based on a multi-parameter inversion target function, and obtaining a multi-parameter three-dimensional inversion result; wherein the multi-parameter inversion objective function comprises a data fitting constraint, a model constraint and a cross gradient constraint, and the multi-parameter model comprises resistivity, magnetic conductivity, a charging rate, a frequency correlation coefficient and a time constant; and a hexahedral mesh discrete calculation region is adopted in inversion, and a finite element linear equation set is obtained through a vector finite element method, so that multi-parameter three-dimensional forward modeling calculation is realized. According to the method, the induced polarization effect and the magnetic conductivity influence are considered at the same time, multi-parameter three-dimensional inversion is achieved, the application precision and reliability of the controllable source electromagnetic method under the complex geological condition are remarkably improved, and rich geophysical basis is provided.

The invention discloses a soft tissue constitutive parameter calibration method in a soft tissue-skeleton bird body model for bird strike simulation, and the method comprises the construction of a soft tissue-skeleton bird body finite element model and finite element reverse analysis based on flat bird strike. Dividing wing bones, leg bones and head and neck parts in the bones of the bird body into hexahedral unit grids, dividing wishbones, pecking bones, fossil protrusions and ribs into shell units, and dividing soft tissues into SPH particles; further obtaining bone elastic-plastic constitutive parameters through a static compression test, and endowing the bone units with the bone elastic-plastic constitutive parameters; an objective function is set as a mean square error between a flat plate center point pressure-time curve obtained by a real bird body impact flat plate test and corresponding curve data calculated by soft tissue-skeleton bird body impact flat plate finite element simulation, and soft tissue constitutive model parameters are inversely calibrated by adopting a genetic algorithm; and model and material parameter support is provided for bird strike simulation of a high-fidelity aircraft structure.

The invention provides a tree wind-induced response evaluation and analysis method, and relates to the technical field of disaster prevention and reduction engineering, and the method comprises the steps: carrying out the construction of a geometric model for a target tree; on the basis of the geometric model, CFD analog simulation is carried out, and wind pressure time history data and crown load data of CFD grid points of the branches under different wind field conditions are obtained; finite element mesh generation is carried out on the geometric model, a finite element model is constructed, and mesh unit types in the model comprise hexahedron units, tetrahedron units and wedge-shaped units; the branch wind pressure time history data and the crown load data are mapped to the surface of a finite element model, structural finite element analysis is carried out, and cloud chart data of stress and displacement of the target tree changing along with time under different wind field conditions are obtained; and carrying out wind-induced response analysis and wind resistance evaluation on the target tree based on the cloud picture data and the wind-induced damage criterion of the tree. According to the technical scheme, a scientific basis can be provided for understanding the response behavior of the target tree under the strong wind condition.

The invention discloses a magnetic method data physical property inversion method and system based on a deep learning terrain disturbance layer, and relates to the technical field of geophysical exploration, and the method comprises the steps: building a magnetic anomaly data set, generating an underground three-dimensional magnetic anomaly model through a mixed hexahedron model and a terrain disturbance function, and obtaining corresponding magnetic anomaly data through forward modeling, each group of magnetic anomaly data corresponds to different terrain parameter combinations; constructing a deep learning inversion network model based on UNet; and training the deep learning inversion network model based on the magnetic anomaly data, taking the trained training set parameters as the weight of the deep learning inversion network, verifying the effect by using the verification set after the training is finished, and predicting the effect according to the test set. According to the method, a traditional same-dimensional random projection inversion method is combined with a deep learning network structure, and dynamic transformation of terrain parameters is realized by using a terrain disturbance layer, so that the network keeps high inversion precision and stability under different terrain fluctuation conditions.

The invention discloses an aerated building block geometric dimension intelligent detection method based on three-dimensional point cloud reconstruction, and the method comprises the steps: collecting and processing multi-view point cloud data, and generating a complete point cloud data set covering six surfaces; executing self-reference calibration based on hexahedron features, and generating a standardized point cloud data set; inputting the multi-modal input into an improved SegFormer model, extracting geometric features and calculating a variance; executing weighted segmentation and topological optimization based on the geometric features, and outputting geometric parameter data; calculating the geometric dimension of the aerated building block, and combining the spatial covariance to generate a precision calibration result; and fusing variance information to establish a space-time coupling judgment mechanism, and outputting a detection report and a detection result. According to the method, through fusion of improved SegFormer dynamic geometric semantic modeling, geometric entropy driving topology correction and a space-time coupling tolerance judgment mechanism, high-precision three-dimensional point cloud reconstruction and intelligent geometric dimension detection of the complex surface of the aerated building block are realized.

The invention relates to the technical field of three-dimensional visualization, in particular to a geological exploration three-dimensional visualization analysis system which comprises a spatial discretization construction module, an interface geometric feature extraction module, an attenuation factor calculation module, an internal stress field inversion module and a voxel lighting effect mapping module. According to the method, by constructing a voxelization space system and combining projection coordinates of a top plate and a bottom plate of the stratum, the geometric bending degree and local thickness variation characteristics of the stratum interface are accurately quantified, and a mapping relation between a spatial form and an internal stress field is established by utilizing geometric conduction factors; the method can invert tectonic stress distribution from stratum extrusion deformation and thickness reduction trends, effectively identify a hidden stress concentration area in a geologic body, dynamically adjust optical attributes of regular hexahedron units according to stress intensity, convert abstract mechanical characteristics into visual three-dimensional images, realize spanning from pure geometric display to internal physical mechanism analysis, and improve the analysis accuracy of the geologic body. And the identification precision and the early warning capability of the geological disaster source are obviously improved.

The invention discloses a method for establishing a concrete in-situ mesoscopic finite element model based on a CT (Computed Tomography) scanning technology, which is applied to the technical field of mesoscopic simulation of a concrete structure. The method comprises the following steps: firstly, performing XCT scanning on a steel fiber ultra-high performance concrete test piece to obtain a two-dimensional sequence image of an internal structure of the steel fiber ultra-high performance concrete test piece; then, image processing is carried out through Avizo software, and three-dimensional space distribution information of a base body, steel fibers and pores is segmented and extracted; on the basis of the three-dimensional information, a Python program is utilized to generate a finite element mesh, an eight-node hexahedron unit is adopted in a model, and the established model can accurately reflect real mesoscopic characteristics such as fiber orientation, distribution and pore defects.

The invention provides a light-weight panorama generation method and device based on AIGC. The method comprises the steps that an initial instruction input by a user is received, and a 360-degree panorama is generated; the 360-degree panoramic image is split into six face images of a hexahedron structure; extracting visual elements of each surface in the hexahedral graph, generating corresponding natural language descriptions, and splicing the natural language descriptions into a complete description of a panorama scene; calculating the semantic similarity between the initial instruction of the user and the complete description of the panorama scene; identifying important elements of the six face images of the hexahedron structure and positions of the important elements in the images, and generating anchor point data containing labels and coordinates; constructing a CSS3D cube structure and loading images of all surfaces; adding an interactive component in the corresponding image area according to the anchor point data; and binding a preset or self-defined interaction event for the interactive component. According to the invention, rapid and low-cost generation of the panorama is realized, and efficient display and diversified interaction are achieved in the VR interaction scene, so that the user experience is remarkably improved.

The invention discloses a direct topology and shape optimization method for an existing engineering structure model, and relates to the technical field of topology optimization and shape optimization, and the method comprises the steps: carrying out the mapping through a regular hexahedron unit based on a finite element simulation model of an original engineering structure, and determining an approximate optimization simulation model; based on the approximate optimization simulation model, determining a typical design mode of multi-component non-interference optimization by transforming the state and range of a design domain; based on the typical design mode, the same discrete adjoint equation is adopted to convert the sensitivity of independent or combined application under different sensitivity algorithms, and a compatible unified optimization framework is determined; and determining a variable grouping strategy based on the compatible unified optimization framework so as to uniformly apply various manufacturing process constraints, and obtaining a structure improvement scheme with high manufacturability. The typical design mode is realized by reconstructing the original optimization simulation model, the unified discrete adjoint equation is constructed to realize free combination of different optimization algorithms, and the optimization efficiency and the engineering practicability of multi-component design are improved.

The invention discloses a multi-coal-seam hexahedron test piece manufacturing and collaborative hydraulic fracturing experiment method, and relates to the technical field of coal seam hydraulic fracturing, and the method comprises the following steps: S1, collecting raw coal of different coal seams in a target mining area, and collecting a roof rock stratum material and a floor rock stratum material of the corresponding coal seam, or preparing a raw material ratio of cement, sand, gypsum and calcium carbonate, the collected materials are treated; according to the method, the multi-coal-seam hexahedron test piece containing the coal-rock stratum structure is prepared according to the on-site stratum proportion, the mechanical property and the contact state of the multi-coal-seam and the rock stratum are reduced, accurate butt joint of the experiment and on-site engineering is achieved, differential fracturing pipe arrangement and synchronous fracturing operation based on the coal seam hardness characteristic are adopted, a traditional single-layer fracturing mode is broken through, and the experiment efficiency is improved. The experiment period and the site construction period are shortened, real stratum stress is simulated through true triaxial stress loading, real-time pressure monitoring, scanning and other accurate detection analysis are conducted, and the expansion rule of cracks between coal and rock stratums is captured.

The application discloses a kind of structural grid methods and systems of dividing triangular arrangement rod bundle assembly with wire winding, it is related to nuclear reactor core thermal-hydraulic analysis and calculation field, by using structured hexahedral grid to divide the flow channel of triangular arrangement rod bundle with wire winding, grid quality is higher, and calculation efficiency is more optimal;When establishing the structured grid of the flow cross section of triangular arrangement rod bundle assembly with wire winding, we fully consider the geometric characteristics of wire winding, thereby improve the geometric reduction degree of grid model;According to the calculation requirement, the number and distribution of grid nodes can be flexibly adjusted, and the axial length is shortened accordingly, so as to not affect the calculation precision, reduce the number of grids, save the calculation resource, and ensure the calculation quality.

The utility model discloses a kind of splicing ornaments, belong to ornament technical field, including multiple splicing modules, the splicing module is triangle or square, its edge is equipped with zip structure, and splicing module can be connected by the zip structure between it. Through different combination mode, the splicing module can be assembled to form the ornament of tetrahedron structure, hexahedron structure or four pyramid structure. The splicing module is equipped with hole, for wearing external chain to realize the function of suspension. The utility model connects between splicing module by zip structure, with the characteristics of convenient splicing, combination form is various.

The utility model provides a vacuum sealing performance testing device which comprises a connecting pipe, valves are installed at the two ends of the connecting pipe, a pressure gauge is installed at the end, away from the connecting pipe, of each valve, a branch pipe is installed in the middle of the outer surface of the connecting pipe, and a hexahedron fixedly connected with the branch pipe is arranged at the end, close to the connecting pipe, of the branch pipe in a sleeved mode. A cylinder cover is arranged on the side, away from the connecting pipe, of the hexahedron, a penetrating hole is formed in the face, facing the hexahedron, of the cylinder cover, a sealing ring is pasted in the penetrating hole and arranged on the branch pipe in a sleeving mode, the hexahedron is in threaded connection with two long screws used for extruding the cylinder cover, and a rubber ring is installed at the end, away from the hexahedron, of the cylinder cover. The pressure gauge has the advantages that a traditional mode that the pressure gauge and the vacuum container are sealed through a raw material belt is abandoned, the raw material belt does not need to be used, frequent replacement is avoided, and material cost is reduced.

The application discloses an anti-torsion type seabed chuck and relates to the technical field of marine drilling equipment. The anti-torsion type seabed chuck comprises a hydraulic drive clamping mechanism, a frame in a trapezoidal hexahedron structure and with a bottom side plate, and two hydraulic drive auger type foot support mechanisms symmetrically installed at the bottom of the frame. The clamping mechanism is cross-shaped and is provided with two clamping mechanisms, each of which comprises a liquid cylinder, a pipe body, a jaw plate seat horizontally and oppositely driven in the pipe body by the liquid cylinder, and a jaw plate assembly one-to-one corresponding installed on the inner side of the jaw plate seat and provided with a double-V-shaped opening. The pipe bodies of the two clamping mechanisms are connected, and the lower end of the pipe body of the lower clamping mechanism is connected to the center position of the upper surface of the bottom of the frame. The application greatly improves the anti-torque effect when applied to deep sea drilling, effectively avoids the damage of the marine riser matched with the drill rod, greatly improves the drilling effect and efficiency of the drill rod, and can be adapted to various specifications of the drill rod.

The application aims to provide a stress-based 3D printing continuity path planning method. The application obtains a to-be-printed model, discretizes the to-be-printed model into a hexahedral grid, the side length of the grid is twice the printing path width, and the height is the pre-printed layer thickness, and the principal stress field is obtained by using finite element analysis. Since the path is generated on a two-dimensional quadrilateral grid, the principal stress direction field is projected onto the two-dimensional domain. For the stress value of the unit close to zero, the stress direction is arbitrary, a method of uniform principal stress direction field is proposed, the stress line is extracted from the principal stress direction field, a plurality of connection rules are adopted, the isolated points are eliminated, and the continuity is optimized. Finally, each stress line is offset to generate a path with a closed loop, and different paths are connected to generate a globally continuous path. In addition, the extrusion rate is adjusted adaptively according to the path direction to alleviate the overfilling problem caused by grid discretization. The model printed by the method has strong mechanical properties under the premise of guaranteeing the surface quality and the curved surface accuracy.

The utility model provides a damping device which comprises a connecting frame which at least comprises a top face structure, a bottom face structure and a frame body, the top face structure and the bottom face structure are oppositely arranged, and the frame body is used for connecting the bottom face structure and the top face structure. The damping structure comprises a damping body and a connecting rod, the damping body is arranged in the connecting frame and elastically abuts against the bottom surface structure of the connecting frame, the connecting rod penetrates through the damping body, one end of the connecting rod is connected with the non-abutting end of the damping body, and the other end of the connecting rod penetrates out of the bottom surface structure to be used for being connected with a pipeline fixing device; and the suspension structure is installed at the top of the connecting frame and detachably connected with the top surface structure in an inserted mode. The shock absorber is simple in structure, tool-free assembly can be achieved, the whole shock absorber is of a rectangular hexahedron structure after assembly is completed, the periphery of the shock absorber is closed, and therefore the influence of the working environment on the shock absorption body can be effectively avoided.

The present invention relates to a dry storage module and a system comprising the same, the dry storage module having an improved mounting manner of a gas outlet and a cylinder body in a dry storage module for spent nuclear fuel of a vertical light water reactor, the dry storage module comprising: a housing forming a hexahedron-shaped accommodation space; a plurality of storage parts which are arranged in two rows in the accommodation space, are used for storing spent nuclear fuel, and extend for a long distance respectively; a hexahedron-shaped module part for accommodating the storage part; the storage tank is filled with spent nuclear fuel; a cartridge body surrounding the tank; a cartridge holder for attaching / detaching the cartridge body to / from the module part; the air inlet is formed in the side of the upper part of the shell; the air outlet is formed in the lower part of the shell; and shield grids provided at the respective inflow port and outflow port.

The application discloses a magnetic data physical property inversion method and system based on a deep learning terrain disturbance layer, relates to the technical field of geophysical exploration, and comprises the following steps: establishing a magnetic anomaly data set, generating an underground three-dimensional magnetic anomaly model by mixing a hexahedron model and a terrain disturbance function, and obtaining corresponding magnetic anomaly data by forward calculation, wherein each group of magnetic anomaly data corresponds to different terrain parameter combinations; a deep learning inversion network model based on UNet is constructed; the deep learning inversion network model is trained based on the magnetic anomaly data, the trained training set parameters are used as the deep learning inversion network weight, the effect is verified by using a verification set after the training is completed, and the prediction effect is predicted according to a test set. The application combines a traditional same-dimension random projection inversion method and a deep learning network structure, realizes dynamic transformation of terrain parameters by using a terrain disturbance layer, and enables the network to maintain high inversion precision and stability under different terrain undulation conditions.

The invention provides a Bi2O2CO3-MIL-68 (In) heterojunction composite material as well as a preparation method and application thereof, and belongs to the technical field of photocatalytic materials, the field of persulfate catalysis and the field of environmental governance. According to the composite material, Bi2O2CO3 is loaded on the surface of MIL-68 (In), and a Z-type heterojunction structure is formed; the Bi2O2CO3 is a sphere with the diameter of 200-500 nm, and the surface of the Bi2O2CO3 is of a stacked granular structure; the MIL-68 (In) is of a regular hexahedron diamond rod-like structure with the particle size of 5 to 10 microns, and the Bi2O2CO3 is dispersed and loaded on the surface of the MIL-68 (In). The preparation method is simple to operate, and the heterojunction material has the advantages of high visible light absorption capacity, stable photocatalytic performance, high degradation efficiency and the like, and has potential application prospects in the field of photocatalysis of persulfate.

This invention provides a method, apparatus, and electronic device for strength verification of hexahedral 3D printed lattice structures, relating to the technical field of 3D printed lattice structure verification. The method includes: acquiring the lattice structure corresponding to the target object and determining hexahedral lattice elements from the three-dimensional model of the lattice structure; determining the homogenized solid structure corresponding to the hexahedral lattice elements based on periodic boundary conditions and equivalent material parameters of the hexahedral lattice elements; and performing strength verification of the lattice structure of the target object based on macroscopic and mesoscopic finite element strength analysis of the homogenized solid structure. This alleviates the technical problem that existing technologies cannot quickly and accurately perform strength verification and lattice parameter optimization of the designed 3D printed lattice product structure.

The invention relates to a plate discrete model generation method and device, electronic equipment and a storage medium, and the method comprises the steps: generating a wrapping body model with a regular shape according to a plate model, and forming a geometric body model with a regular shape according to the plate model and the wrapping body model; carrying out finite element segmentation on the geometric body model by utilizing a first feature discretizer to obtain a geometric body discrete model containing a plurality of hexahedron units; in the geometric discrete model, determining a shell structure formed by combining hexahedron units penetrating through the contact surface, and performing finite element segmentation on the shell structure according to a second feature discretizer to obtain a shell structure discrete model corresponding to the shell structure; and after the coupling correlation is decoupled, a first discrete model of the plate model is combined according to the hexahedron unit belonging to the plate model in the geometric discrete model and the shell structure discrete model. According to the invention, the generation accuracy of the discrete model of the plate is improved.

1. Name of the designed product: toy (do do play hexahedron). 2. Use of the designed product: used as children's toys. 3. Design points of the designed product: in the combination of shape and pattern. 4. Picture or photo that best indicates the design points: perspective view.

The utility model provides an ultrasonic liquid level meter which comprises a junction box, an ultrasonic probe is installed at the bottom of the junction box, one end, close to the junction box, of the ultrasonic probe is sleeved with a threaded connection seat fixedly connected with the ultrasonic probe, and the threaded connection seat is of a cylindrical structure. The upper end of the threaded connection seat is provided with a hexahedron used for clamping a wrench, the hexahedron sleeves the ultrasonic probe and is fixedly connected with the ultrasonic probe, the threaded connection seat is sleeved with a ring, the annular side surface of the ring is provided with a column rod, the annular side surface of the junction box is provided with a lug plate, and the lug plate is provided with a bolt. A guide hole is formed in the upper surface of the lug plate, the upper end of the column rod penetrates through the guide hole, a limiting ring is arranged on the lower side of the lug plate, and a spring is arranged between the limiting ring and the lug plate. The threaded connection seat has the advantages that threads on the threaded connection seat are protected, and the probability that the threads on the threaded connection seat are damaged due to collision is reduced.

The application discloses a multi-entity meshing method, an electronic device and a storage medium, and is used for converting a target entity of a geometric space into a hexahedron-based mesh of a parameter space. The application divides the target entity into a plurality of simple-shaped sub-entities, performs multi-entity collaborative division, uses geometric feature matching and topological relationship analysis, automatically identifies and extracts contact surfaces between the multi-entities, and automatically defines a sweepable parameter, so that a target surface is extracted without manually selecting entities to perform Boolean operation or is swept one by one. The common node algorithm is adopted, common node constraints are applied in the meshing stage, common node meshes are generated, and error accumulation in traditional division and merging is avoided.

The invention discloses a turbine cold air hole structured grid rapid generation method, which comprises the following steps: acquiring mainstream computational grid data of a target turbine blade, and determining corresponding geometric feature parameters according to the cold air hole type of a target cold air hole; inputting the geometric characteristic parameters into a parameterized geometric model corresponding to the target cold air hole type to generate parameterized cold air hole geometry; based on the mainstream computational grid data, geometrically positioning the parameterized cold air holes to the surface of a target turbine blade; performing adjacent geometric interference check and processing on the parameterized cold air hole geometry; and calling a corresponding preset grid topology division strategy according to the type of the target cold air hole passing the adjacent geometric interference check, and generating a structured hexahedral grid attached to the boundary of the mainstream computational grid. According to the method, a high-quality structured grid is quickly and automatically generated according to a cooling geometric structure.

The application discloses a hexahedral mesh intelligent simplification method with analysis precision ensured, and belongs to the technical field of hexahedral mesh simplification, and comprises the following steps: step one, feature extraction is performed on layers and columns of the hexahedral mesh, including geometric features, topological features, quality features and physical features; step two, effectiveness checking is performed on the layers and columns; step three, based on the constructed simplification neural network HSimNet, the deletion probability of layers / columns that can be deleted is predicted; and step four, layer / column deletion operation is performed. In the application, the physical features of layers and columns are introduced in the hexahedral mesh simplification for the first time, the model simplification is connected with the physical problem, the geometric features are introduced in the hexahedral mesh simplification, the layer and column structures that cause invalid grid geometry are predicted, so that the geometric effectiveness of the simplified grid is ensured; the topological features and the quality features are introduced in the hexahedral mesh simplification, so that the overall quality of the simplified grid is ensured.

Furniture element (1) made of wood with curved geometry, characterized in that it comprises the following: - a central element (10) in the form of a parallelepiped with side faces (S l , S l ') and a rear surface (S p ); - at least one side element (20) which is attached to a side surface (S) by means of first fastening means (31) l , S l ') of the said central element (10) is attached, wherein the said side element (20) has the shape of a curved segment; - a locking element (40) which is attached to the rear surface (S) by means of first fastening means (31). p ) is attached, wherein the locking element (40) has the shape of a curved segment; - a base element (50) and an upper element (50') which are each attached to the lower and upper surfaces of the said central element (10) by means of second fastening means (42), or a furnishing element (1) made of wood with curved geometry, characterized in that it comprises the following: - a central element (10) in the form of a prism with side faces (S l , S l '); - two side elements (20, 20') attached to the side surfaces (S l , S l ') of the central element (10) are fastened by means of first fastening means (31), wherein the side elements (20, 20') have the shape of a curved segment; - a base element (50) and an upper element (50') which are each attached to the lower and upper surfaces of the said central element (10) by means of second fastening means (42), wherein the device element is further characterized in that the at least one side element (20) and the closure element (40) or the two side elements (20, 20') are connected to each other in such a way that the curvature of the surface along the connecting line of the respective curved sections is essentially continuous.

To make adjustments easier. [Solution] A spacer is installed between the mounting bracket C and the windshield F to change the orientation of the camera lens. If the glass surface is vertical, a spacer SPC1 for uniaxial rotation vector transformation is used; if the glass surface is inclined, a spacer SPC2 for biaxial rotation vector transformation is used. Adjustment is made by interposing a hexahedron-shaped spacer SPC3, which has a height of 0 or more at its four corners and is smaller than the bracket-glass surface mounting area. A spacer SPC4, which has a small area smaller than the bracket's adhesive surface and has edges made of easily shrinkable material around the center, is used to make the outside appearance neat. A spacer SPC5 that can be angle-adjusted using a hinge is used.

The application discloses a method and a program product for automatically generating a three-dimensional geological finite element model, which determines a horizontal reference surface based on the maximum height difference of the ground surface, determines a first grid size and a second grid size based on a shear wave velocity, and then comprehensively determines the number of ground surface part grids and divides hexahedral units; according to the first grid size, equally divides a base part into horizontal slices with the same height, and determines the grid size of the horizontal slices in combination with a corrected minimum shear wave velocity; according to the grid size and thickness requirement, combines adjacent horizontal slices to obtain a final rock layer division scheme, and then comprehensively determines the number of rock layer grids and divides the rock layer into hexahedral units; and according to the three-dimensional center coordinates of each hexahedral unit, compares the three-dimensional center coordinates with an original geological model, and sets the stratum category of the hexahedral unit. The application greatly reduces the modeling time and cost of a three-dimensional non-uniform field finite element model of a complex terrain, has high grid quality, and is beneficial to the application of the three-dimensional geological model in the simulation and analysis of earthquake disasters.