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http://dx.doi.org/10.3795/KSME-B.2009.33.7.469

Numerical Simulation of Dendritic Growth of the Multiple Seeds with Fluid Flow  

Yoon, Ik-Roh (홍익대학교 기계시스템디자인공학과)
Shin, Seung-Won (홍익대학교 기계시스템디자인공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.33, no.7, 2009 , pp. 469-476 More about this Journal
Abstract
Most material of engineering interest undergoes solidification process from liquid state. Identifying the underlying mechanism during solidification process is essential to determine the microstructure of material thus the physical properties of final product. In this paper, effect of fluid convection on the dendrite solidification morphology is studied using Level Contour Reconstruction Method. Sharp interface technique is used to implement correct boundary condition for moving solid interface. The results showed good agreement with exact boundary integral solution and compared well with other numerical techniques. Effects of Peclet number and undercooling on growth of dendrite tip of both single and multiple seeds have been also investigated.
Keywords
Dendrite; Convective Flow; Front Tracking; Numerical Simulation; Sharp Interface Method;
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