Under the Report tab, first the Characteristic diameters D10, D50, and D90 are shown. These three numbers are the most common “summary” points of a pore‑size distribution as they provide a quick, intuitive snapshot of the pore‑size distribution. They originate from the cumulative pore‑size histogram. These are the diameters such that 10%, 50%, or 90% of the pore volume has a smaller diameter than the corresponding value, respectively. In this example, the D10 value of 1.75 µm means that 10% of all pores have a diameter smaller than 1.75 µm. The D50 value means that 50% of all pores have a diameter smaller than 3.55 µm. The D90 value means that 90% of all pores have a diameter smaller than 5.49 µm. The discretization error is less than 1 voxel, which means for the presented example, that the D10 is 1.75 µm ± 0.4 µm.  

Below the characteristic diameters, the Geometric pore size distribution table contains Minimum and Maximum Diameters, Volume Fraction, Cumulative Volume Fraction, Pore Volume, and the Differential Pore Volume Distribution for every bin. Also, at the bottom, the total porosity of the structure is shown.

The Volume Fraction of the pore voxels in each bin and the Cumulative Volume Fraction (starting with the smallest pore diameters) based on the total pore volume of the structure are shown. For each bin, the Pore Volume in m3 is computed as the summarized volume of the voxels that belong to this bin.

The Differential Pore Volume for each bin is computed, where both the common logarithm () and the natural logarithm () are shown. The differential pore volume distribution is then computed as:

with the pore diameter of the -th bin, the cumulative volume fractions, and the mass of the pores. The latter is computed using the densities of the constituent materials of the sample entered in the Material Density tab. This normalization ensures that the value of the differential pore volume is independent of the domain size.