Systems and methods for generating a graded lattice structure and their application to additive manufacturing¶
Seokpum Kim, , Kenneth Stephenson, Vlastimil Kunc, Ahmed Arabi Hassen, Lonnie J. Love, and Gregory D. Dreifus
U.S. Patent 11,602,898 B2 · Mar 14, 2023
JMU faculty highlighted in ; student co-authors in .
Abstract¶
Systems and methods for generating graded lattice structures that can be used as infill for additively manufactured articles. Tailored sectioning and field-based smoothing are modified polygon, e.g., circle, packing algorithms that adjust the size of the circles based on physical field data to adapt the infill generation process to a field expected to be experienced by the article. Molecular dynamically generated lattice infill is based on force balancing a node distribution instead of a circle packing. Field data can be utilized to adjust the spacing of the node distribution according to a force balance equilibrium model that accounts for the field expected to be experienced by the article being additively manufactured. The resultant non-uniform honeycomb structures from tailored sectioning, field-based smoothing, and force-balancing robustly and efficiently address the connection issues with traditional non-uniform lattice structures.
BibTeX¶
@misc{kim2023systems,
author = {Seokpum Kim and John C. Bowers and Kenneth Stephenson and Vlastimil Kunc and Ahmed Arabi Hassen and Lonnie J. Love and Gregory D. Dreifus},
title = {{Systems and methods for generating a graded lattice structure and their application to additive manufacturing}},
howpublished = {U.S. Patent 11,602,898 B2},
year = {2023},
url = {https://patents.google.com/patent/US11602898B2/en}
}