CN-121999178-A - Optimization method, device, equipment and storage medium of three-dimensional special-shaped curtain wall model

CN121999178ACN 121999178 ACN121999178 ACN 121999178ACN-121999178-A

Abstract

The application relates to an optimization method, device and equipment for a three-dimensional special-shaped curtain wall model and a storage medium. The optimization method of the three-dimensional special-shaped curtain wall model comprises the steps of conducting physical and chemical treatment on an original curved surface of the three-dimensional special-shaped curtain wall model to obtain a physical and chemical curved surface, conducting division analysis on the physical and chemical curved surface by adopting at least one preset division strategy to obtain at least one division curved surface, calculating the curved surface rate of the at least one division curved surface, and selecting a target division curved surface from the at least one division curved surface according to the curved surface rate to finish optimization of the three-dimensional special-shaped curtain wall model. The method provided by the application solves the problem that the special-shaped curtain wall panel has unsmooth vision and touch caused by abrupt change of curvature of the curved surface to a certain extent, and reduces the manufacturing cost.

Inventors

TANG HONGJUN
DU SHICHENG
PAN GUANGYONG
HUANG CHAOYI
HUA ZHILIANG

Assignees

清华大学建筑设计研究院有限公司

Dates

Publication Date: 20260508
Application Date: 20260203

Claims (10)

1. The optimization method of the three-dimensional special-shaped curtain wall model is characterized by comprising the following steps of: Carrying out rational treatment on an original curved surface of the three-dimensional special-shaped curtain wall model to obtain a rational curved surface, wherein the rational curved surface has uniform construction lines, and the construction lines consist of straight lines and circular arcs; performing grid analysis on the rational curved surface by adopting at least one preset segmentation strategy to obtain at least one grid curved surface; Calculating the surface rate of the at least one type of cellular curved surface, and selecting a target cellular curved surface from the at least one type of cellular curved surface according to the surface rate so as to finish the optimization of the three-dimensional special-shaped curtain wall model.
2. The method according to claim 1, wherein the rationalizing the original curved surface of the three-dimensional profiled curtain wall model to obtain a rationalized curved surface comprises: calculating a contour edge of the original curved surface, and dividing the original curved surface into a first type curved surface and a second type curved surface according to the contour edge, wherein the curvature of the first type curved surface is larger than that of the second type curved surface; at least one intermediate line is calculated on the first curved surface in proportion to obtain a rational first curved surface; And carrying out physical and chemical treatment on the second type of curved surface by adopting an equidistant section line method to obtain a second curved surface, wherein the physical and chemical curved surface comprises the first curved surface and the second curved surface.
3. The method according to claim 2, wherein said rationalizing said second type of curved surface with equidistant cross hatching to obtain a second curved surface comprises: extracting a line along the Z-axis direction at intervals of a first threshold value to serve as a construction line in the U direction; extracting a line along the X-axis or Y-axis direction at intervals of a second threshold value as a construction line in the V-direction; and reestablishing a second smooth curved surface with uniform construction lines on the second curved surface through the construction lines in the U direction and the construction lines in the V direction.
4. The method according to claim 1, wherein after the original curved surface of the three-dimensional special-shaped curtain wall model is subjected to physicochemical treatment to obtain a physicochemical curved surface, the method further comprises: Selecting a plurality of points on the physicochemical curved surface; calculating the distances from the points to the original curved surface to obtain a plurality of distances; Determining a maximum distance among the plurality of distances, wherein the maximum distance is a maximum value of a surface deviation between the rational surface and the original surface; and if the maximum distance is smaller than a third threshold value, determining that the fitting degree of the rational curved surface and the original curved surface meets the deviation requirement so as to perform the division analysis on the rational curved surface.
5. The method according to claim 1, wherein after the original curved surface of the three-dimensional special-shaped curtain wall model is subjected to physicochemical treatment to obtain a physicochemical curved surface, the method further comprises: And labeling and displaying grid information on the physicochemical curved surface, wherein the grid information comprises at least one of line segment type, line segment size, precision, distance and angle.
6. The method of claim 1, wherein said calculating a surface ratio of said at least one binned surface comprises: Dividing a plurality of grids included in the at least one cellular surface into a flat grid, a single curved grid and a double curved grid; respectively calculating the areas of the flat grid, the single curved grid and the double curved grid; and calculating the surface rate according to the respective areas of the flat grid, the single curved grid and the double curved grid.
7. The method of claim 1, wherein after optimizing the three-dimensional profiled curtain wall model is completed, the method further comprises: Obtaining structural data of a site where the three-dimensional special-shaped curtain wall model is to be installed, adjusting the three-dimensional special-shaped curtain wall model according to mapping parameters obtained by three-dimensional mapping of the structural data, and/or, And actually processing and manufacturing a grinding tool according to the three-dimensional special-shaped curtain wall model, comparing and analyzing the scanning data of the grinding tool with the three-dimensional special-shaped curtain wall model, and adjusting the three-dimensional special-shaped curtain wall model.
8. An optimizing device of a three-dimensional special-shaped curtain wall model is characterized by comprising: The acquisition unit is used for carrying out physical and chemical treatment on the original curved surface of the three-dimensional special-shaped curtain wall model to obtain a physical and chemical curved surface, wherein the structural lines of the physical and chemical curved surface are uniform, and the structural lines consist of straight lines and circular arcs; The division unit is used for carrying out division analysis on the rational curved surface by adopting at least one preset division strategy to obtain at least one division curved surface; And the optimizing unit is used for calculating the curvature rate of the at least one type of the grid curved surface, and selecting a target grid curved surface from the at least one type of grid curved surface according to the curvature rate so as to finish the optimization of the three-dimensional special-shaped curtain wall model.
9. An electronic device, comprising: A memory; processor, and A computer program; Wherein the computer program is stored in the memory and configured to be executed by the processor to implement the method of optimizing the three-dimensional profiled curtain wall model according to any one of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method for optimizing a three-dimensional profiled curtain model according to any one of claims 1 to 7.

Description

Optimization method, device, equipment and storage medium of three-dimensional special-shaped curtain wall model Technical Field The invention relates to the technical field of building curtain wall digitization, in particular to an optimization method, device, equipment and storage medium of a three-dimensional special-shaped curtain wall model. Background In the field of digital design of building curtain walls, three-dimensional special-shaped curtain walls are increasingly popular due to unique aesthetic effects, but the design and construction of the three-dimensional special-shaped curtain walls still face a plurality of challenges. Firstly, the special-shaped curtain wall panel is unsmooth in vision and touch sense due to abrupt change of curvature of a curved surface, and the overall quality of a building is affected. In addition, the traditional processing mode is directly manufactured based on the original curved surface, so that the material waste is serious and the cost is high. Disclosure of Invention In order to solve the technical problems, the embodiment of the disclosure provides an optimization method, an optimization device and a storage medium for a three-dimensional special-shaped curtain wall model. In a first aspect, an embodiment of the present disclosure provides a method for optimizing a three-dimensional special-shaped curtain wall model, including: Carrying out rational treatment on an original curved surface of the three-dimensional special-shaped curtain wall model to obtain a rational curved surface, wherein the rational curved surface has uniform construction lines, and the construction lines consist of straight lines and circular arcs; performing grid analysis on the rational curved surface by adopting at least one preset segmentation strategy to obtain at least one grid curved surface; Calculating the surface rate of the at least one type of cellular curved surface, and selecting a target cellular curved surface from the at least one type of cellular curved surface according to the surface rate so as to finish the optimization of the three-dimensional special-shaped curtain wall model. Optionally, the rationalizing the original curved surface of the three-dimensional special-shaped curtain wall model to obtain a rational curved surface includes: calculating a contour edge of the original curved surface, and dividing the original curved surface into a first type curved surface and a second type curved surface according to the contour edge, wherein the curvature of the first type curved surface is larger than that of the second type curved surface; at least one intermediate line is calculated on the first curved surface in proportion to obtain a rational first curved surface; And carrying out physical and chemical treatment on the second type of curved surface by adopting an equidistant section line method to obtain a second curved surface, wherein the physical and chemical curved surface comprises the first curved surface and the second curved surface. Optionally, the performing physical and chemical treatment on the second type of curved surface by using an equidistant section line method to obtain a second curved surface includes: extracting a line along the Z-axis direction at intervals of a first threshold value to serve as a construction line in the U direction; extracting a line along the X-axis or Y-axis direction at intervals of a second threshold value as a construction line in the V-direction; and reestablishing a second smooth curved surface with uniform construction lines on the second curved surface through the construction lines in the U direction and the construction lines in the V direction. Optionally, after the original curved surface of the three-dimensional special-shaped curtain wall model is subjected to physicochemical treatment to obtain the physicochemical curved surface, the method further comprises: Selecting a plurality of points on the physicochemical curved surface; calculating the distances from the points to the original curved surface to obtain a plurality of distances; Determining a maximum distance among the plurality of distances, wherein the maximum distance is a maximum value of a surface deviation between the rational surface and the original surface; and if the maximum distance is smaller than a third threshold value, determining that the fitting degree of the rational curved surface and the original curved surface meets the deviation requirement so as to perform the division analysis on the rational curved surface. Optionally, after the original curved surface of the three-dimensional special-shaped curtain wall model is subjected to physicochemical treatment to obtain the physicochemical curved surface, the method further comprises: And labeling and displaying grid information on the physicochemical curved surface, wherein the grid information comprises at least one of line segment type, line segment size, precision, distance and ang