共 6 条
Homogenization of boundary conditions on surfaces randomly covered by patches of different sizes and shapes
被引:37
作者:
Makhnovskii, YA
Berezhkovskii, AM
Zitserman, VY
机构:
[1] Russian Acad Sci, AV Topchiev Petrochem Synth Inst, Moscow 119991, Russia
[2] NIH, Math & Stat Comp Lab, Div Computat Biosci, Ctr Informat Technol, Bethesda, MD 20892 USA
[3] Russian Acad Sci, Inst High Temp, Thermophys Ctr, Moscow 125412, Russia
[4] LY Karpov Phys Chem Res Inst, Moscow 103064, Russia
基金:
俄罗斯基础研究基金会;
关键词:
D O I:
10.1063/1.1930827
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
The homogenization of boundary conditions on surfaces randomly covered by patches of different sizes and shapes was analyzed. The absorbing disks of two different radii, a=0.05R and a=0.025R, were randomly located on the surface of the sphere, and the particles were initiated uniformly over the surface. The trapping rates were computed for α=0.1, 0.2, 0.3, 0.4, and 0.5 and v=0, 0.2, 0.4, 0.6, 0.8, and 1. It was found that there was excellent agreement between the trapping rates predicted by the formula and found from simulations with identical traps at α=0.1, 0.2, 0.3, 0.4, and 0.5.
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