Graph-based simulated annealing: a hybrid approach to stochastic modeling of complex microstructures

被引:17
|
作者
Stenzel, O. [1 ]
Westhoff, D. [1 ]
Manke, I. [2 ]
Kasper, M. [3 ]
Kroese, D. P. [4 ]
Schmidt, V. [1 ]
机构
[1] Univ Ulm, Inst Stochast, D-89069 Ulm, Germany
[2] Helmholtz Ctr Berlin, Inst Appl Mat, Berlin, Germany
[3] Ctr Solar & Hydrogen Res Baden Wurttemberg ZSW, Ulm, Germany
[4] Univ Queensland, Dept Math, Brisbane, Qld 4072, Australia
关键词
X-RAY; 3D; RECONSTRUCTION; TOMOGRAPHY; MORPHOLOGY; EFFICIENCY; ELECTRODE;
D O I
10.1088/0965-0393/21/5/055004
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A stochastic model is proposed for the efficient simulation of complex three-dimensional microstructures consisting of two different phases. The model is based on a hybrid approach, where in a first step a graph model is developed using ideas from stochastic geometry. Subsequently, the microstructure model is built by applying simulated annealing to the graph model. As an example of application, the model is fitted to a tomographic image describing the microstructure of electrodes in Li-ion batteries. The goodness of model fit is validated by comparing morphological characteristics of experimental and simulated data.
引用
收藏
页数:18
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