Nachtrab, Susan; Kapfer, Sebastian C; Arns, Christoph; Madadi, Mahyar; Mecke, Klaus; Schroder-Turk, Gerd
The effective linear-elastic moduli of disordered network solids are analyzed by voxel-based finite element calculations. We analyze network solids given by Poisson-Voronoi processes and by the structure of collagen fiber networks imaged by confocal microscopy. The solid volume fraction φ is varied by adjusting the fiber radius, while keeping the structural mesh or pore size of the underlying network fixed. For intermediate φ, the bulk and shear modulus are approximated by empirical power-laws...[Show more]
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