Phase-Field Analysis of Dendrite Growth with Melt Flow

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  • 液相流動を伴うデンドライト凝固のフェーズフィールド法解析
  • 液相流動を伴うデンドライト凝固のフェーズフィールド法解析 : GPUスパコンによる大規模シミュレーション
  • エキソウ リュウドウ オ トモナウ デンドライト ギョウコ ノ フェーズフィールドホウ カイセキ : GPU スパコン ニ ヨル ダイキボ シミュレーション
  • （GPUスパコンによる大規模シミュレーション）
  • (Large-Scale Simulation Using GPU Supercomputer)

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Abstract

<p>Dendrite morphology is drastically changed due to the liquid flow, such as forced and natural convections, during the solidification of metallic alloys. We have developed a phase-field lattice Boltzmann method to simulate the dendrite growth during the alloy solidification in the presence of the liquid flow. Here, we have employed the phase-field and lattice Boltzmann methods to express the dendrite growth and liquid flow, respectively. In addition, a parallel computation using multiple graphical processing units in a supercomputer has been enabled to accelerate the phase-field lattice Boltzmann simulation. In this report, the phase-field lattice Boltzmann model is briefly explained, and some dendrite growth simulations using the model are introduced.</p>

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