Figure 2 | Scientific Reports

Figure 2

From: Upscaling the porosity–permeability relationship of a microporous carbonate for Darcy-scale flow with machine learning

Figure 2

(A) The porosity and numerically solved permeability for each of the 30,000 sub-volumes of 603 voxels in training set 1 (blue) and the Kozeny–Carman fit (red) where \(K = 8.47 \times 10^{ - 14} \frac{\varphi }{1 - \varphi }^{3.4}\). (B) The machine learning regression model predicted permeability (blue) and the Kozeny–Carman permeability (red) plotted against the DBS solved permeability for 1000 sub-volumes of 603 voxels. Data in this figure was computed using OPENFoam46 and SciKitLearn41 and rendered using MATLAB48.

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