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首页> 外文期刊>Physica, A. Statistical mechanics and its applications >Fragment distributions for brittle rods with patterned breaking probabilities
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Fragment distributions for brittle rods with patterned breaking probabilities

机译:具有断裂模式的脆性杆的碎片分布

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摘要

We present a modeling framework for ID fragmentation in brittle rods, in which the distribution of fragments is written explicitly in terms of the probability of breaks along the length of the rod. This work is motivated by the experimental observation of several preferred lengths in the fragment distribution of shattered brittle rods after dynamic buckling [J.R. Gladden, N.Z. Handzy, A. Belmonte, E. Villermaux, Dynamic buckling and fragmentation in brittle rods, Phys. Rev. Lett. 94 (2005) 35503]. Our approach allows for non-constant spatial breaking probabilities, which can lead to preferred fragment sizes, derived equivalently from either combinatorics or a nonhomogeneous Poisson process. The resulting relation qualitatively matches the experimentally observed fragment distribution, as well as some other common distributions, such as a power law with a cutoff. (C) 2008 Elsevier B.V. All rights reserved.
机译:我们为脆性棒中的ID碎裂提供了一个建模框架,其中碎屑的分布是根据沿着棒的长度断裂的概率明确地编写的。这项工作是通过对动态屈曲后破碎的脆性棒的碎片分布中几个最佳长度进行实验观察而激发的[J.R.新泽西州格拉登Handzy,A。Belmonte,E。Villermaux,脆杆中的动态屈曲和破碎,物理学。牧师94(2005)35503]。我们的方法考虑到了非恒定的空间破裂概率,这可能会导致优选的片段大小,这些片段大小是从组合学或非均匀泊松过程中等效得出的。所得的关系在质量上与实验观察到的片段分布以及某些其他常见分布(例如具有截止的幂定律)相匹配。 (C)2008 Elsevier B.V.保留所有权利。

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