case studies in numerical simulation of crack trajectories in brittle materials

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ID: 171163
2012
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Abstract
Statistical Fracture Mechanics, formalism of few natural ideas is applied to simulation of crack trajectories in brittle material. The “diffusion approximation” of the crack diffusion model represents crack trajectories as a one-dimensional Wiener process with advantage of well-developed mathematical formalism and simplicity of creating computer generated realizations (fractal dimension d = 1.5). However, the most of reported d values are in the range 1.1-1.3. As a result, fractional integration of Wiener processes is applied for lowering d and to generate computer simulated trajectories. Case studies on numerical simulation of experimentally observed crack trajectories in sandstone (discs tested in indirect tensile strength test) and concrete (compact tension specimens tested in the quasi-static splitting tensile test) are presented here.
Reference Key
jasarevic2012fratturacase Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;H. Jasarevic;S. Gagula
Journal applied catalysis
Year 2012
DOI
DOI not found
URL
http://www.gruppofrattura.it/pdf/rivista/numero20/numero_20_art_4.pdf
Keywords
fractal dimension concrete

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