期刊
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING
卷 56, 期 13, 页码 1913-1929出版社
JOHN WILEY & SONS LTD
DOI: 10.1002/nme.641
关键词
level-set-method; propagation of boundaries; adaptive grids; quadtree; dynamic grids; high-resolution stripe
We present a general algorithm for the study of the evolution of interfaces in growth processes based on the level set method, using the narrow band and the fast marching approximations, applied on a dynamically adaptive grid. A novel construction of a dynamical adaptive grid is presented. One important feature is that we establish a controllable finite-width region of the highest resolution straddling the physically important boundary. This high-resolution stripe provides a better description of the important physical variables. An efficient and robust coupling of a hierarchical space description structure with the state-of-the-art level set method is established. Copyright (C) 2003 John Wiley Sons, Ltd.
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