Method and system for generating porous connected reef body based on 3D printing

A 3D printing and reef technology, applied in the field of 3D printing, can solve the problems that the model construction is difficult to meet the requirements, the adaptive structure cannot be constructed, and the satisfactory model cannot be generated, so as to achieve the advantages of internal water flow, good overall stability, The effect of facilitating the intake of bait

Active Publication Date: 2022-06-07
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The inventors found that the existing 3D printing modeling tools are highly versatile but weakly targeted. It is difficult to meet the requirements in the construction of models with special structural requirements such as reefs, and it is impossible to build adaptive structures.
In addition, ceramic printing is subject to relatively large path constraints, and existing modeling tools cannot generate models that meet the needs of easy ceramic printing paths.

Method used

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  • Method and system for generating porous connected reef body based on 3D printing
  • Method and system for generating porous connected reef body based on 3D printing
  • Method and system for generating porous connected reef body based on 3D printing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] refer to figure 1 , this embodiment provides a method for generating a 3D printed porous connected reef, which specifically includes the following steps:

[0056] S101: Calculate the number of curved surfaces and the size of each curved surface based on the preset overall size, minimum aperture and maximum aperture information of the reef body, obtain parameters in the corresponding single-layer dual-period surface function, and generate a single-layer dual-period surface. image 3 A schematic diagram of the single-layer bi-periodic curved surface of this embodiment is given, in which x, y, and z of the coordinates correspond to the directions of the length, width, and height of the reef body, respectively. FIG. 4(a) and FIG. 4(b) respectively show a schematic diagram of the relationship between the curved surface printing path and the starting point of the adjacent printing layers in this embodiment.

[0057] The overall size of the reef and the minimum and maximum po...

Embodiment 2

[0076] This embodiment provides a 3D printed porous connected reef generation system, which specifically includes the following modules:

[0077] The single-layer dual-period surface generation module is used to calculate the number of surfaces and the size of each surface based on the preset reef overall size, minimum aperture and maximum aperture information, and obtain the corresponding parameters in the single-layer dual-period surface function, Generate a single-layer biperiodic surface;

[0078] The overall model and printing path generation module is used to generate multiple bi-periodic surfaces based on single-layer bi-periodic surfaces, combine to generate a basic reef model with porous connectivity, and keep the surface extreme points connected, and update the overall model and printing path;

[0079] The reef model file generation module is used to generate the reef model file based on the overall model and the printing path, for 3D printing and further firing of t...

Embodiment 3

[0082] This embodiment provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, implements the steps in the above-mentioned method for generating a 3D printed porous connected reef.

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Abstract

The invention belongs to the technical field of 3D printing, and provides a 3D printed porous connected reef generation method and system. The method comprises the following steps: calculating the number of curved surfaces and the size of each curved surface based on the information of the overall size, the minimum aperture and the maximum aperture of a preset reef body, obtaining parameters in a corresponding single-layer double-cycle curved surface function, and generating a single-layer double-cycle curved surface; multiple double-cycle curved surfaces are generated based on the single-layer double-cycle curved surface, a porous communicated basic reef model is generated through combination, connection of extreme points of the curved surfaces is kept, and an overall model and a printing path are updated and generated; and a reef body model file is generated based on the overall model and the printing path so as to be used for 3D printing and further firing forming of the reef body.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to a method and system for generating a 3D printed porous connected reef body. Background technique [0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] An artificial reef is a fishery facility that uses the habit of fish and other aquatic animals to gather on reefs and shipwrecks to increase catches. Among them, aquaculture reefs and juvenile fish protection reefs are the ones that can improve the marine ecological environment and conserve and increase fishery resources. The ecological conservation and proliferation effect of artificial reefs depends to a large extent on the properties of the materials used. steel), waste materials (scrap cars, ships, sunken ships, scrap tires, etc.). Among them, natural materials are easy to obtain and have less impact...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B1/00B28B17/00B33Y10/00B33Y30/00
CPCB28B1/001B28B17/0081B33Y10/00B33Y30/00Y02A40/81
Inventor 吕琳孙志强许强吴会才
Owner SHANDONG UNIV
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