流路内空気巻き込みの低減を目的としたダイカストランナー形状最適化

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タイトル別名
  • Shape Optimization of Runners for Die Casting to Reduce Air Entrainment in Flow Paths
  • リュウロ ナイ クウキ マキコミ ノ テイゲン オ モクテキ ト シタ ダイカストランナー ケイジョウ サイテキ カ

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<p>  This study aimed to optimize the design of a runner for high-pressure die casting using computational fluid dynamics (CFD) simulations. A runner is a part of the flow path through which molten metal enters a product part. As a design challenge, we sought to optimize the shape of the runner to minimize air entrainment in the runner and to align the flow of molten metal after passing through the runner. The problem was solved using our proposed shape optimization method. The method is based on a genetic algorithm (GA), and can directly treat a geometric shape that is comprised of several curves as an individual of the GA in the form of a set of mathematical functions. The effectiveness of the optimized shape of the runner was eventually demonstrated with water-model experiments using a visualization device for die casting.</p>

収録刊行物

  • 鋳造工学

    鋳造工学 87 (1), 29-38, 2015

    公益社団法人 日本鋳造工学会

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