Characterization of 3D Displacement and Stress Fields in Coal Based on CT Scans
نویسندگان
چکیده
Computed tomography (CT) scans were performed on samples of an outburst-prone coal seam at different loading stages. The area and roundness the CT images used to quantify degree macroscopic deformation under loads. A spatial matching algorithm was calculate three-dimensional (3D) displacement fields regions interest (ROIs, containing primary fractures, minerals, only coal) presence fractures minerals found promote inhibit displacement, respectively, 3D field data followed a normal distribution. meshfree numerical simulation determine maximum principal stress, shear stress following results obtained: significantly affect state distribution features, stresses in matrices differ significantly, induce prevalent make prone concentration.
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ژورنال
عنوان ژورنال: Mathematics
سال: 2022
ISSN: ['2227-7390']
DOI: https://doi.org/10.3390/math10142512