نتایج جستجو برای: localized necking
تعداد نتایج: 103908 فیلتر نتایج به سال:
X-ray Tomographic Imaging of Tensile Deformation Modes of Electrospun Biodegradable Polyester Fibers
Electrospinning allows the production of fibrous networks for tissue engineering, drug delivery, and wound healing in health care. It enables the production of constructs with large surface area and a fibrous morphology that closely resembles the extracellular matrix of many tissues. A fibrous structure not only promotes cell attachment and tissue formation but could also lead to very interesti...
A simple model for necking and detachment of subducting slabs is developed to include the coupling between grain-sensitive rheology and grain-size evolution with damage. Necking is triggered by thickened buoyant crust entrained into a subduction zone, in which case grain damage accelerates necking and allows for relatively rapid slab detachment, i.e., within 1 My, depending on the size of the c...
The ductile fracture of thin-shell structures was studied here using a localized necking model. punching experiments for unstiffened and stiffened panels were compared with numerical predictions combined model shell elements. plasticity parameters JIS G3131 SPHC steel identified by performing calibration on standard flat bars, notched tension, central hole plane strain shear specimens. beyond t...
In this paper, four plastic instability criteria, which are based on the bifurcation theory, coupled with GTN damage model for prediction of diffuse and localized necking. General (GB) criterion limit-point (LPB) used to predict necking, while loss ellipticity (LOE) strong (LOSE) The resulting constitutive equations criteria implemented into finite element code ABAQUS/Standard. formulated withi...
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