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  • 标题:Designing Femoral Implant Using Stress Based Topology Optimization
  • 本地全文:下载
  • 作者:Rajaa S. Abbas ; Musaddiq Al Ali ; Amjad Y. Sahib
  • 期刊名称:Lecture Notes in Engineering and Computer Science
  • 印刷版ISSN:2078-0958
  • 电子版ISSN:2078-0966
  • 出版年度:2018
  • 卷号:2235&2236
  • 页码:363-369
  • 出版社:Newswood and International Association of Engineers
  • 摘要:Many types of research were done in the past few decades, trying to construct a bio-Mathematical model of cellular bone-implant interaction. One of the major aspects of bone metal interaction is stress shielding. Stress shielding is one of the important design constraints in biomedical implants, which cause the mobility of implant after a period. In this paper, non-parametric optimization was performed to design stress-free implant. The method that used is topology optimization. Topology optimization where performed with two methodologies first is conformal lattice structure and SIMP method function. SIMP method showed superior results. In order to increase life expectancy of the 3D printed model, it needs to have good surface finished. In this work, electrochemical polishing by precipitation was studied. Electrochemical polishing simulation has been performed using ALE method in the finite element. It showed good smoothing using this method of polishing.
  • 关键词:Femoral implant; Stress shielding; Topology optimization; Conformal lattice structure; Electrochemical polishing
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