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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.21 No.2
- 발행연도
- 2007.2
- 수록면
- 311 - 326 (16page)
이용수
초록· 키워드
오류제보하기
Complex interfacial physics arising from geometric curvature associated with surface tension as well as phase transformation make it a formidable task to design an accurate, reliable, and yet simple method for direct computation of multiphase flows. Hybrid methods mixing conventional, Volume-of-Fluid, Level Set, Phase Field, and Front Tracking methods have recently become popular in an attempt to overcome the shortcomings of each method alone. We developed the Level Contour Reconstruction Method (LCRM) as part of a hybrid method for treating the complex interface geometry associated with general three-dimensional multiphase flows. The main idea in that work focused on a simple and robust algorithm especially suited for dynamic interfaces in the three-dimensional case by combining characteristics of both Front Tracking and Level Set methods. In this article we describe a modification to the LCRM which introduces a high order interpolation kernel during the course of the interface reconstruction along with a new hybrid surface tension formulation. With this we can essentially eliminate any mass redistribution between regions of differing curvature and reconstruct the interface accurately and smoothly. The improvement with high order reconstruction is also noticeable vis a vis spurious currents which are further decreased by two orders of magnitude over the previous linear reconstruction method. Moreover, there is no disturbance concurrent with reconstruction and the solution fidelity is not influenced by the reconstruction time step. This High Order Level Contour Reconstruction Method retains the simplicity of the original LCRM and avoids complicated interface smoothing procedures.
목차
1. Introduction
2. Numerical Development
3. Results and Discussion
4. Conclusions
References
참고문헌 (54)
참고문헌 신청
Aulisa, E., Manservisi, S. and Scardovelli, R., 2003, "A Mixed Markers and Volume-of-fluid Method for the Reconstruction and Advection of Interfaces in Two-phase and Free-boundary Flows," J. Comput. Phys., Vol.188, pp.611~639.
Brackbill, J. U., Kothe, D. B. and Zemach, C., 2002, "A Continuum Method for Modeling Surface Tension," J. Comput. Phys., Vol.100, pp.335~354.
Chorin, J., 1968, "Numerical Solution of the Navier-Stokes Equations," Math. Comput, Vol.22, pp.745~762.
Enright, D., Fedkiw, R., Ferziger, J. and Mitchell, I., 2002, "A Hybrid Particle Level set Method for Improved Interface Capturing," J. Comput. Phys., Vol.183, pp.83~116.
Harlow, F. H. and Welch, J. E., 1965, "Numerical Calculation of Time Dependent Viscous Incompressible Flow of Fluid with Free Surface," Phys. Fluids, Vol.8, pp.2182~2189.
Brackbill, J. U., Kothe, D. B. and Zemach, C., 2002, "A Continuum Method for Modeling Surface Tension," J. Comput. Phys., Vol.100, pp.335~354.
Chorin, J., 1968, "Numerical Solution of the Navier-Stokes Equations," Math. Comput, Vol.22, pp.745~762.
Enright, D., Fedkiw, R., Ferziger, J. and Mitchell, I., 2002, "A Hybrid Particle Level set Method for Improved Interface Capturing," J. Comput. Phys., Vol.183, pp.83~116.
Harlow, F. H. and Welch, J. E., 1965, "Numerical Calculation of Time Dependent Viscous Incompressible Flow of Fluid with Free Surface," Phys. Fluids, Vol.8, pp.2182~2189.
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UCI(KEPA) : I410-ECN-0101-2009-550-016493516