نتایج جستجو برای: Multiple moving cracks
تعداد نتایج: 865295 فیلتر نتایج به سال:
A two-scale model for predicting the multiple crack growth in viscoelastic solids due to an impact is presented. The cracks are considered only at the local scale through the use of a micromechanical viscoelastic cohesive zone model. The multiscale model has been implemented in a finite-element code. In order to minimize the computation time, the local finite-element meshes are solved in parall...
The evolution of surface damage in bilayers due to cyclic spherical indentation in the presence of incompressible lubricant is studied using an all-transparent glass/polycarbonate system as amodel formore practical applications such as dental crowns and rolling contact fatigue. In situ observations and post-mortem material sectioning reveal that inner cone cracks evolve sequentially from the co...
the multiple reference frames (mrf) method is the most suitable method tosimulate impeller rotation in mixing systems. precise determination of stationaryand moving zones in mrf method leads to accurate results in mixing performance.in this research, the entire volume of mixing system was divided into two zones.the kinetic energy values were used to distinguish the zones with differentvelocitie...
Abstract This work is devoted to the problem of thermal fracture a functionally graded coating on homogeneous substrate (FGC/H) with an emphasis analysis special system cracks that simulates curved interface. The FGC/H structure contains pre-existing crack in FGC, both edge (which are often seen structures) and internal cracks. stress intensity factors calculated. (Generally, Mode I II nonzero....
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