A novel design method based onmulti–objective optimization for graded lattice structure by additive manufacturing

• Published in: Rapid prototyping journal Vol. 30; no. 6; pp. 1170 - 1190
• Main Authors: Li, Xiangyun, Zhu, Liuxian, Fan, Shuaitao, Wei, Yingying, Wu, Daijian, Gong, Shan
• Format: Journal Article
• Language: English
• Published: Bradford Emerald Publishing Limited 01.07.2024; Emerald Group Publishing Limited
• Subjects: Additive manufacturing; Biomechanical engineering; Biomechanics; Biomedical engineering; Computational fluid dynamics; Design factors; Design optimization; Design parameters; Design techniques; Domains; Finite element method; Genetic algorithms; Geometry; Initial stresses; Iterative methods; Lattice design; Mechanical properties; Optimization; Performance enhancement; Permeability; Porous materials; Powder metallurgy; Rapid prototyping; Structural design; Struts; Tissue engineering; Topology optimization; Transplants & implants; Yield stress; Multi-objective optimization; Graded lattice structure; Additive manufacturing; Parametric design

Purpose While performance demands in the natural world are varied, graded lattice structures reveal distinctive mechanical properties with tremendous engineering application potential. For biomechanical functions where mechanical qualities are required from supporting under external loading and perm...