A fast random walk algorithm for computing diffusion-weighted NMR signals in multi-scale porous media: A feasibility study for a Menger sponge

作者：Grebenkov Denis S^*; Nguyen Hang T; Li Jing Rebecca

来源：Microporous and Mesoporous Materials, 2013, 178: 56-59.

DOI：10.1016/j.micromeso.2013.02.040

• Monte Carlo
• Restricted diffusion
• PGSE
• NMR
• Menger sponge

A fast random walk (FRW) algorithm is adapted to compute diffusion-weighted NMR signals in a Menger sponge which is formed by multiple channels of broadly distributed sizes and often considered as a model for soils and porous materials. The self-similar structure of a Menger sponge allows for rapid simulations that were not feasible by other numerical techniques. The role of multiple length scales on diffusion-weighted NMR signals is investigated.

• 出版日期2013-9-15
• 单位中国地震局