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32개 노우드로 구성된 PC-Cluster 컴퓨터의 성능 연구
박재현(J.H.Park),변민수(M.S.Byoun),박준관(J.G.Park),문종춘(J.C.Moon),서용권(Y.K.Suh) 동아대학교 해양자원연구소 2000 동아대학교 해양자원연구소 연구논문집 Vol.13 No.-
Numerical test for the performance of the parallel computer of a PC-cluster type named "Jupitor" has been performed. We used a Poisson equation as a model equation. It was shown that there exists an optimum number of nodes which gives the best efficiency(performance per node). Further, the overall performance is also dependent on the domain partitioning.
바탕회전하에 회전요동하는 직사각형 용기 내의 유동특성 - 실험 및 수치해석
박재현(J. H. Park),서용권(Y. K. Suh) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.4
In this study, we show the numerical and the experimental results for fluid motions inside a rectangular container subjected to a background rotation added by a rotational oscillation. In the numerical computation, we used a parallel computer system of PC-cluster type. Attention is given to dependence of the flow patterns on the parameter change. It shows that the flow becomes in a periodic state at low Reynolds numbers and undergoes a transition to a chaotic motion at high Reynolds numbers. It also shows that the fluid motion tends to be depth-independent at ε up to 0.3 for Re lower than 5235.
배경회전하에 회전요동하는 직사각형 용기 내의 유동에 관한 3차원 수치해석
박재현(J. H. Park),서용권(Y. K. Suh) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5
In this study, we show the numerical results for three-dimensional fluid motions inside a rectangular container subjected to a background rotation added by a rotational oscillation. In the numerical computation, we used a pam lie I computer system of PC-cluster type. Attention is given to dependence of the now patterns on the parameter change. It shows that the flow becomes in a periodic state at low Reynolds numbers and undergoes a transition to a chaotic motion at high Reynolds numbers. It also shows that the 리uid motion tends to be depth-independent at ε up to 0.3 for Re lower than 5235.