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Effect of an image resolution change on the effective transport coefficient of heterogeneous materials
ABIMAEL RODRIGUEZ SANCHEZ
Romeli Barbosa
ABRAHAM RIOS BAHENA
Jaime Ortegon Aguilar
Beatriz Escobar Morales
BEATRIZ GAYOSSO ARCOS
CARLOS COUDER CASTAÑEDA
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.3390/ma12223757
DECIMATION
EFFECTIVE TRANSPORT COEFFICIENT
SIMULATED ANNEALING
STATISTICAL DESCRIPTORS
Electrochemical electrodes comprise multiple phenomena at different scales. Several works have tried to model such phenomena using statistical techniques. This paper proposes a novel process to work with reduced size images to reconstruct microstructures with the Simulated Annealing method. Later, using the Finite Volume Method, it is verified the effect of the image resolution on the effective transport coefficient (ETC). The method can be applied to synthetic images or images from the Scanning Electron Microscope. The first stage consists of obtaining the image of minimum size, which contains at least 98% of the statistical information of the original image, allowing an equivalent statistical study. The image size reduction was made by applying an iterative decimation over the image using the normalized coarseness to compare the amount of information contained at each step. Representative improvements, especially in processing time, are achieved by reducing the size of the reconstructed microstructures without affecting their statistical behavior. The process ends computing the conduction efficiency from the microstructures. The simulation results, obtained from two kinds of images from different materials, demonstrate the effectivity of the proposed approach. It is important to remark that the controlled decimation allows a reduction of the processor and memory use during the reconstruction and ETC computation of electrodes.
2019
Artículo
Materials, 12(22), 3757, 2019
Inglés
Rodriguez, A., Barbosa, R., Rios, A., Ortegon, J., Escobar, B., Gayosso, B., & Couder, C. (2019). Effect of An Image Resolution Change on the Effective Transport Coefficient of Heterogeneous Materials. Materials, 12(22), 3757
ENERGÍA
Versión publicada
publishedVersion - Versión publicada
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