Complex network modeling method for models of hollowed-out structure products

A hollow structure and complex network technology, applied in the fields of instruments, geometric CAD, calculation, etc., can solve the problems that hollow structure products cannot be modeled, the preparation process of hollow structure is cumbersome and time-consuming, etc., and achieves strong practicability, simplified complexity, design Simple process effect

Inactive Publication Date: 2018-07-06
QINGDAO TECHNOLOGICAL UNIVERSITY
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Problems solved by technology

[0009] The present invention proposes a complex network modeling method for a hollow structure product model, which solves the problems that the hollow structure product cannot be modeled and the preparation process of the hollow structure experiment is cumbersome and time-consuming in the prior art

Method used

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  • Complex network modeling method for models of hollowed-out structure products
  • Complex network modeling method for models of hollowed-out structure products
  • Complex network modeling method for models of hollowed-out structure products

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Embodiment

[0039] A complex network modeling method for a hollow structure product model includes the following steps:

[0040] 1) Given a surface model of a product, the product surface model can be constructed using existing modeling tools or obtained using reverse engineering methods. In this embodiment, the surface model of the product is a cube.

[0041] 2) Multiple points are randomly generated inside the product surface model, and these points are nodes in the BA network.

[0042] 3) Use the BA network evolution model to establish the connection relationship between nodes.

[0043] 4) The entire BA network graph is regarded as a virtual physical system, each node in the system is a particle with a certain energy, there is mutual repulsion between particles, and there is gravitation between connected particles.

[0044] Such as figure 1 As shown, the final position of each node is determined by the force balance graph layout algorithm.

[0045] 5) Generate a Voronoi diagram acc...

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Abstract

The invention provides a complex network modeling method for models of hollowed-out structure products. The method comprises the following steps of adopting a Voronoi diagram to establish a Voronoi element structure of a hollowed-out structure; constructing a BA network model diagram; mapping nodes in a BA network model to the Voronoi element structure of the hollowed-out structure, and obtainingan entity model of the hollowed-out structure; adjusting a connection coefficient or a hole wall coefficient to obtain the entity models of the hollowed-out structure products with different internalshapes. The method has the advantages that in the product modeling process of introducing a complex network theory to the hollowed-out structure, the product design of the hollowed-out structure withthe complex internal structure is achieved, the complexity of the design of the hollowed-out structure products is reduced, and the problems are solved that the hollowed-out structure products cannotbe modeled and the experiment and preparation process of the hollowed-out structure is complex and consumes time. Meanwhile, the application range of the complex network theory is widened.

Description

technical field [0001] The invention relates to the technical field of complex network and product modeling, in particular to a complex network modeling method for a product model with a hollow structure. Background technique [0002] Many substances in nature have complex hollow structures, [0003] Such as wood, sponge, coral, bone, etc. With the advancement of additive manufacturing technology, humans have begun to try to manufacture hollow structures. Metal foam is the most common material for hollow structures. The existing foaming technology is not limited to metals. Polymer materials, ceramics and glass are all Can be made into a hollow structure. Nowadays, hollow structures are widely used in artificial products, and are widely used in fields with special requirements for materials such as heat insulation, lightweight, friction reduction, and tissue engineering. [0004] Product modeling technology is the basis of digital manufacturing. Existing modeling methods ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/18G06F30/20
Inventor 赵正旭张登辉王威温晋杰
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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