نتایج جستجو برای: Stress intensity factor
تعداد نتایج: 1399509 فیلتر نتایج به سال:
background: the use of psychology in the workplace and accurate scientific findings in this field, in addition to reducing work-related diseases, can promote the performance of employees. nursing is a stressful job and can be the cause of physical and mental disorders. this study investigates the relationship of personality traits and demographic factors with occupational stress. materials and ...
An elastic-plastic analysis is performed for two problems relevant to fracture mechanics: a semi infinite body with an edge crack in a far out-of-plane shearing field and an infinite plate under plane stress conditions containing a finite line crack in a remote tensile field. Amplitudes of the dominant singularity in the plastic region at the crack tip, the plastic stress and strain intensity ...
Fracture in thin films is normally constrained by the substrates. If the substrate creeps, however, the constraint will be lost over time. This paper presents a two-dimensional model for channel cracks in an elastic film on a viscous layer, and implements an extended finite element method to evolve the displacement field and the stress intensity factor with relatively coarse meshes. Solutions a...
The stress intensity factor solution for embedded circular cracks, semicircular and part-circular surface cracks in plates, quartercircular corner cracks in rods, and semicircular surface cracks at a hole in a plate are evaluated using a finite element alternating method. This method of superposition employs the standard 20-noded solid element solution for the untracked solid, and the complete ...
The damage tolerance behavior of integrally and conventional stiffened panel is investigated based on the fracture mechanics and finite element analysis. The load bearing capability and crack growth characteristic of both types of the stiffened panels having same configuration subjected to distributed tensile load is examined in this paper. A fourteen-stringer stiffened panel is analyzed for a ...
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