20 results about "Grid design" patented technology

The invention provides a grid design method, which comprises the following steps of: selecting linear spokes and / or arc-shaped spokes according to the distribution condition of an incoming flow velocity field; matching design is conducted on the two-dimensional spoke section, the installation angle of the spoke and the incoming flow angle of the airflow, the resistance coefficient and the airflow deflection angle serve as evaluation indexes, and then the obtained spoke section is recarved to a three-dimensional model; according to the distribution condition of a flow field in the air duct, the distance between the spokes is designed, the distribution condition of the flow field in the air duct is judged, when the airflow speeds of the upper side and the lower side in the air duct are different, the transverse spokes are densely arranged, and when the airflow speeds of the left side and the right side in the air duct are different, the longitudinal spokes are densely arranged; the spokes are arranged in the three-dimensional model according to the designed spoke spacing, and the optimization design of the shape of the whole grating is completed. According to the invention, the technical problem in the prior art that the rectification effect of the grating is poor when the incoming flow velocity of the airflow is not uniformly distributed can be solved.

The invention discloses a self-adaptive parallel global icosahedron unstructured grid code generation and subdivision method, and relates to the technical field of spatial information. Comprising the following steps of: based on a regular icosahedron spherical diamond grid designed by simple linear sequential filling, obtaining an initial grid code; setting a core number, and judging a coding mode according to the set core number to obtain a new grid code; performing one-to-one correspondence conversion on the relationship between the new grid code and the initial grid code and the longitude and latitude of the earth; and updating the mapping table according to the geometrical relationship between the U grid and the T grid in the new grid code, and generating an nc format image file capable of globally displaying the one-to-one correspondence relationship between the code and the geographic position. According to the method, the grid codes are modified through the change of the number of the cores so as to optimize the number of boundaries between the cores, the boundary communication traffic between the cores is greatly reduced, the time consumption of boundary communication is shortened, and program operation is easier to achieve load balance.

A method for making an uncoated fine mesh design on a coated surface. The aim of this design is to completely or partially reflect or transmit specific frequencies of the electromagnetic spectrum. Such design is referred to as a frequency selective surface (FSS). More particularly, the invention relates to masking a portion of the surface of the substrate prior to deposition of the coating and later removing the mask by water washing in the process, leaving the designed fine mesh FSS pattern.

The present invention discloses a parametric grille design method and system for building curtain walls based on BIM technology. The design method includes the following steps: a vertex sorting module 4 according to a guide line extracts and sorts the vertices of multiple non-coplanar triangular grille frames; a grid grid line acquisition module 12 and an equal division quantity module 11 divide each triangle's two side straight lines L1, L2, and vertical line L4 into n equal parts; a grid grid line 20 is obtained by connecting the equal division points of the triangle's two side sides L1 and L2, and the equal division length of the vertical line L4 is the simulated grid spacing Dm; a grid section introduction module 3 introduces a grid section 21; a virtual entity creation function module 16 according to the section lengthens and stretches the matched grid section 21 along the grid grid line 20; and a grid spacing range display module 15 lists the length data of the grid grid line 20 and the simulated grid spacing Dm. The grid design method of the present invention uses a computer to automatically complete the in-depth design of the parametric grille, which can significantly reduce labor intensity and improve the optimization efficiency and accuracy of the building curtain wall grille.

1. Name of the designed product: shopping cart (for children) 2. Use of the designed product: transport goods cart 3. Design points of the designed product: in shape, especially the grid design of the product frame, the shape design of the rear part of the frame 4. Picture or photo that best shows the design points: design 1 perspective view 5. The bottom of the designed product is not easy to see or not visible during use, omit design 1 plan view, design 2 plan view 6. Design 1 is designated as the basic design.

1. Name of the product in this design: Neck Pillow (Grid Design). 2. Purpose of this design: For use in a neck pillow. 3. The key design features of this product are its overall shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The design method for a rectifying grid disclosed in this invention belongs to the field of uneven airflow rectification and at least partially addresses the low rectification efficiency of existing grid designs. The airflow channel is divided into sections, and the local total pressure in each section is measured to create a total pressure distribution map. The blockage ratio of each section is calculated based on the total pressure distribution map. The size of the grid holes is then set based on the blockage ratio of each section, thereby improving the grid's rectification efficiency.

The invention provides an evaluation and optimization method and system for a micro-grid planning scheme. The method comprises the steps of obtaining planning information under a to-be-evaluated scheme; obtaining a weight vector of the expert, obtaining a first comparison vector and a second comparison vector about each planning parameter name according to the weight vector, constructing a minimum-maximum weight model, and obtaining a first evaluation weight based on the minimum-maximum weight model; constructing an original data matrix according to the planning parameter value, and calculating a second evaluation weight; obtaining a combination weight of each planning parameter name, and obtaining an evaluation value of the to-be-evaluated scheme according to the combination weight under the cost category and the combination weight under the environmental protection category; and judging whether the evaluation value is greater than a preset threshold value, if not, optimizing the planning information under the to-be-evaluated scheme, and obtaining the evaluation value again until the re-obtained evaluation value is greater than the preset threshold value. According to the method, a very reliable basis can be provided for optimization of a micro-grid design stage.

The application discloses a metal mesh design optimization system and method based on electromagnetic shielding effectiveness, and belongs to the technical field of electromagnetic shielding. The method comprises the following steps: obtaining target region space electromagnetic field distribution data and substrate material parameters; establishing shielding effectiveness and mesh unit geometric parameter correlation data through electromagnetic simulation; identifying key geometric features sensitive to electromagnetic fields; constructing a gradientized non-periodic topological structure model of the metal mesh according to the key geometric features; performing multi-physical field collaborative simulation and iterative optimization on the model in terms of electromagnetic shielding stability and structural strength; and finally generating a digital design package containing a three-dimensional model, engineering drawings and process files. The application realizes the maximization of the shielding effectiveness of the metal mesh, the improvement of stability and the collaborative optimization of electromagnetic and mechanical properties by deeply combining the actual electromagnetic environment and the structural design.

The invention provides an irregular grid design and optimization system and method based on a Synxflow hydrodynamic model. The method comprises the steps that 1, an irregular grid topological structure relation is generated; 2, grid boundary points are judged, and Hash mapping is established; 3, constructing a scalar field and a vector field of the hydrodynamic model; 4, constructing a scalar field and a vector field on cuda; step 5, realizing self-adaption under the irregular-shaped grid; step 6, calculating a reconstruction direction gradient; 7, reconstructing a diving equation operator; and step 8, cuda data stream processing is realized. According to the method, the irregular grid design is introduced on the basis of an original regular grid structure, so that complex terrain features can be described more accurately, and the simulation precision of a hydrodynamic model in a complex terrain area is improved; through more accurate terrain description, error accumulation caused by grid division is reduced, and the reliability and accuracy of a simulation result are ensured.

The application discloses a temperature control jig, which comprises a top plate, an intermediate layer and a bottom plate arranged in layers, wherein the top plate and the bottom plate are flat plate structures, a frame is arranged along the edge of the top plate, one side surface of the frame protrudes from the surface of the top plate, the top plate and the frame form a containing space for containing a display panel to be tested, a plurality of heat conduction columns are arranged on the side surface of the bottom plate away from the intermediate layer, and the intermediate layer is provided with a plurality of arrayed through holes, so that the cross section of the intermediate layer is a grid structure. The grid design of the intermediate layer of the temperature control jig greatly reduces the overall mass and heat capacity of the jig, so that heat can be more quickly conducted to the top plate through the bottom plate heat conduction columns, and the temperature rising and falling waiting time is shortened. Moreover, when the grid structure is heated and expanded, the through holes provide internal deformation space, effectively avoiding macro warping of the jig as a whole, and ensuring flat and close fitting of the panel and the jig during the test.

This invention discloses an adaptive surface mesh generation method based on an improved isoparametric method. The method's process is as follows: First, the original surface is expanded. Based on the initially determined isoparametric design parameters, the isoparametric line spacing and segmentation starting points are corrected. Then, boundary points are snapped together according to the shortest path principle. Based on the processed point set, triangulation is performed to obtain the surface mesh. Finally, with the goal of minimizing the number of inferior meshes, an intelligent optimization algorithm is used to optimize the mesh design parameters to obtain the optimal mesh. This invention is applicable to surfaces with large curvature variations, effectively solving problems such as poor boundary mesh quality and non-smooth meshing in the original isoparametric method. Furthermore, it can adaptively optimize the mesh generation design parameters according to the surface characteristics, generating a regular and uniform mesh that can be directly used for subsequent structural design.

The application discloses a kind of dynamic grid block splicing devices, including splicing structure bottom plate and multiple splicing structure main body, wherein the splicing structure bottom plate is the basic structure of bearing splicing structure main body, adopts square grid design, and grid is evenly distributed on front and back surface;The splicing structure bottom plate has flip strip, cut seam;Cut seam is arranged between N flip strips, and each cut seam is arranged in the middle part of flip strip;The splicing structure main body is one or more, and the number corresponds to the number of rows of splicing structure bottom plate, and the splicing structure main body is arranged on the front and back surface of splicing structure bottom plate simultaneously.The structure of the application solves the problem that the traditional splicing structure is easy to damage and difficult to reuse, simplifies the three-dimensional structure of the foldable splicing structure, reduces the production and use cost, and establishes a systematic design system for dynamic splicing structure, improves user experience.

The invention discloses a curved surface grid adaptive division method based on an improved isoparametric method, and the method comprises the following steps: firstly, carrying out the expansion of an original curved surface, carrying out the correction of isoparametric line spacing and a segmentation starting point according to the initially determined isoparametric line design parameters, carrying out the adsorption processing of boundary points according to the shortest path principle, and carrying out the adaptive division of a curved surface grid. And performing triangulation on the basis of the processed point set to obtain a curved surface grid, and finally optimizing grid design parameters by adopting an intelligent optimization algorithm to obtain an optimal grid by taking the minimum number of inferior grids as a target. The method can be suitable for a curved surface with large curvature change, the problems that an original isoparametric method boundary grid is poor in quality, the grid is not smooth and the like are effectively solved, self-adaptive optimization of grid division design parameters can be carried out according to the characteristics of the curved surface, and the generated grid is regular and uniform and can be directly used for subsequent structure design.

The invention provides a grid design method and device for sharing vertex data, equipment and a storage medium, and relates to the technical field of three-dimensional computer graphics. The method comprises the following steps: decomposing vertex data of a three-dimensional model into a plurality of attribute data units according to attribute types, and storing the attribute data units in a shared data pool in a classified manner; and creating a target grid object and configuring sub-grids for the target grid object, each sub-grid quoting the attribute data unit in the shared data pool through the index list to define the geometrical shape of the sub-grid, and defining the appearance attribute through the associated material resources. The index list of each sub-grid is configured to point to the same attribute data unit in the shared data pool, so that sharing of vertex attributes on the sub-grid level and the grid level is realized, and vertex data redundancy is effectively eliminated; besides, based on the single data source characteristic of the global shared data pool, the modification of any vertex attribute can be automatically synchronized to all sub-grids referencing the attribute, and the problems of redundancy storage and difficult maintenance are effectively improved.

1. Name of the design product: shopping cart. 2. Use of the design product: transport goods cart. 3. Design points of the design product: in shape, especially the grid design of the product frame. 4. Picture or photo that best shows the design points: in use state diagram. 5. The bottom of the design product is the part that is not easy to see or not visible when in use, omit the top view.

1. Name of the product in this design: Nail table (grid design). 2. Purpose of this design: A nail table that provides necessary workspace and tool storage for nail art. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present invention relates to the technical field of deep image alignment, and in particular, provides a deep image alignment method based on quadtree grid optimization. The method comprises generating a quadtree dynamic grid and mask through a grid generation module; designing a deep image alignment network based on the quadtree dynamic grid, and optimizing it using a pixel-level image alignment function and a grid constraint loss function; estimating the homography transformation and grid offset parameters of the image through the deep image alignment network; and sequentially performing a homography transformation and a grid offset transformation on the image based on the estimated homography transformation and grid offset parameters. During the two image transformation processes, a bicubic interpolation algorithm based on a BiCubic function is used to smoothly transform the grid. This method solves the problem of image alignment in complex scenes and overcomes the shortcomings in processing complex geometric deformations and large viewing angle changes.

1. The name of the design product: computer case front panel. 2. The use of the design product: to protect and decorate the front of the computer, using modular diamond-shaped ventilation grid design, with diagonal through-type light belt as decoration. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.