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유체 유동을 동반한 다핵 수치상결정의 미세구조성장에 대한 수치해석적 연구Numerical Simulation of Dendritic Growth of the Multiple Seeds with Fluid Flow
- Other Titles
- Numerical Simulation of Dendritic Growth of the Multiple Seeds with Fluid Flow
- Issue Date
- 2009
- Publisher
- 대한기계학회
- Keywords
- Dendrite(수치상결정); Convective Flow(대류 유동); Front Tracking(계면추적법); Numerical Simulation(수치 해석); Sharp Interface Method(예면경계법)
- Citation
- 대한기계학회논문집 B, v.33, no.7, pp.469 - 476
- Journal Title
- 대한기계학회논문집 B
- Volume
- 33
- Number
- 7
- Start Page
- 469
- End Page
- 476
- ISSN
- 1226-4881
- 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.
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Related Researcher
- Shin, Seungwon
- Engineering (Mechanical & System Design Engineering)