Discrete fracture
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Part 1 of ebook "IUTAM symposium on mesoscopic dynamics of fracture process and materials strength" provides readers with contents including: massively-parallel dislocation dynamics simulations; nondestructive observation of dislocation structures formed at fatigued copper and stainless steel crystals; a discrete dislocation dynamics investigation of formation and stability of lomer locks; on the use of periodic boundary conditions in dislocation dynamics simulations;...
248p 
mothoiphong
28-06-2024
1
1
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Part 2 of ebook "IUTAM symposium on mesoscopic dynamics of fracture process and materials strength" provides readers with contents including: multiscale modeling of defect nucleation and reaction bulk to nanostructures; discrete-continuum modeling of metal matrix composites plasticity; computational evaluation of micro- to macroscopic deformation behavior of amorphous polymer with slightly heterogeneous distribution of initial shear strength; critical behavior near the crack/dislocation depinning threshold;...
221p mothoiphong
28-06-2024
1
1
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This study suggests that the successful selection of a proper modelling technique should be based on the physical principle of longwall problem, texture and shape of materials, and mechanics formulation of the numerical program used for modelling. The paper’s conclusions assist numerical modellers in quickly and properly selecting modelling technique for investigating a site -specific longwall problem.
10p cothumenhmong12
08-07-2021
21
2
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The fracture toughness of medium density fiberboard (MDF) as a function of crack length was measured. Fracture toughness was determined from force–displacement and crack length data using a new energy analysis procedure that avoids the scatter of prior discrete analysis methods. Because crack lengths were difficult to observe, they were measured using digital image correlation (DIC). The R curves for two different densities of MDF, two thicknesses, and for both in-plane and through-the-thickness cracks all increased linearly with crack length.
10p thanhtoyz
17-10-2015
41
2
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