Mesh instantiation method for mixed lattices

By offsetting and marking the hybrid lattice, and combining different mesh concretion methods, the problem of low efficiency of the traveling cube algorithm is solved, generating a more efficient and accurate mesh representation, which improves the efficiency of additive manufacturing and the integrity of the lattice structure.

CN122422907APending Publication Date: 2026-07-17SIMENS INDASTRI SOFTVEAR INK
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-12-22
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies for generating mesh representations of hybrid rod and spherical lattices suffer from low efficiency, high storage requirements, and uneven facet size variations, leading to the loss of small features and coarse approximation of high curvature features, which affects the efficiency and accuracy of additive manufacturing.

Method used

By offsetting the hybrid lattice, marking different regions and applying different mesh concretion methods, including ray intersection and Delaunay triangulation, combined with the traveling cube algorithm, a more efficient mesh representation is generated.

Benefits of technology

It improves the computational efficiency and accuracy of mesh representation, reduces the number of facets, improves the modeling and manufacturing efficiency of parts, and enhances the integrity of the lattice structure.

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Abstract

提供了一种用于生成针对混合杆与球晶格的网格的方法。该方法包括:通过将第一晶格偏移预定距离以从第一晶格中获得第二晶格。该方法包括:基于与其他晶格拓扑的相交,用第一标识符或第二标识符标记第二晶格中的杆的部分;用第一标识符或第二标识符标记第二晶格中的球,或者保持球未被标记;以及标识第一晶格中与第二晶格中已标记区域相对应的区域。该方法包括:对第一晶格应用混合以获得第三晶格,并将第三晶格具体化为网格。针对已标记区域,将基于用第一标识符还是第二标识符来标记这些区域,而应用不同的网格具体化方法。
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