유체 유동을 동반한 다핵 수치상결정의 미세구조성장에 대한 수치해석적 연구

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

초록

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.

키워드

Dendrite(수치상결정)Convective Flow(대류 유동)Front Tracking(계면추적법)Numerical Simulation(수치 해석)Sharp Interface Method(예면경계법)
제목
유체 유동을 동반한 다핵 수치상결정의 미세구조성장에 대한 수치해석적 연구
제목 (타언어)
Numerical Simulation of Dendritic Growth of the Multiple Seeds with Fluid Flow
저자
윤익로신승원
발행일
2009
저널명
대한기계학회논문집 B
33
7
페이지
469 ~ 476