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Three-dimensional imaging
techniques such as x-ray computed tomography and laser
confocal microscopy have become important tools in
porous-materials research. These techniques provide
quantitative, three-dimensional maps of pore, structure,
solid-phase structure, and in some cases, fluid-phase
distributions. Depending on the technique used, image
resolutions of 200 nm and below are possible.
The terminology image-based modeling refers to the
use of tomography data for computational modeling. The
obvious benefit to this approach is that modeling is
performed using the structure of a real material, which
includes spatial correlations, anisotropy, heterogeneity,
or other factors that may not be captured in a
computer-generated material.
The research consortium maintains collaborations with a
number of imaging partners. Members benefit from these
relationships through sample imaging, access to existing
data sets and access to various computational algorithms
used for image analysis and imaged-based modeling. |