Results 31 to 40 of about 829,168 (336)
A reformulation of strain gradient plasticity [PDF]
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Fleck, N. A., Hutchinson, J. W.
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With the decreasing of shallow resources, underground roadways of resources exploitation have reached into deep rock mass with high geostress. A series of new failure phenomena such as zonal disintegration phenomenon were discovered in deep surrounding ...
Qiang Gao +3 more
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A New Method of Fatigue Life Prediction for Notched Specimen
The simulations of the notched specimens under multiaxial loading were conducted by finite element method. The simulation results show that the stress gradient increases with the decrease in notch radius for the same strain path.
JIN Dan, GOU Zhifei
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Cellular Orientation Is Guided by Strain Gradients [PDF]
The strain-induced reorientation response of cyclically stretched cells has been well characterized in uniform strain fields. In the present study, we comprehensively analyse the behaviour of human fibroblasts subjected to a highly non-uniform strain field within a polymethylsiloxane microdevice.
Sophie Chagnon-Lessard +3 more
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In this study, a new anisotropic elastic shell model with a nonlocal strain gradient is developed to investigate the vibrations of simply supported single-walled carbon nanotubes (SWCNTs).
Matteo Strozzi +5 more
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The present work aims to primarily provide a general representation of the solution of the simplified elastostatics version of Mindlin’s Form II first-strain gradient elastic theory, which converges to the solution of the corresponding classical elastic ...
Antonios Charalambopoulos +2 more
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Strain-gradient-induced switching of nanoscale domains in free-standing ultrathin films [PDF]
We report first-principle atomistic simulations on the effect of local strain gradients on the nanoscale domain morphology of free-standing PbTiO$_3$ ultrathin films. First, the ferroelectric properties of free films at the atomic level are reviewed. For
Belletti, G. D. +2 more
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Strain gradient and electric field gradient effects in piezoelectric cantilever beams
A piezoelectric beam model with strain gradient and electric gradient effects is proposed. An energy variational principle with strain, strain gradient, electric field, and electric field gradient considered as independent variables is postulated to ...
Yue Yanmei, Xu Kaiyu, Aifantis Elias C.
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Numerical Study of Microbeam with Geometric Discontinuity Under Electrostatic Load using Strain Gradient Theory [PDF]
In this work, the pull in analysis of microbeam with geometric discontinuity for two different boundary conditions has been investigated. Boundary conditions are considered as Clamped-Free (CF) and Clamped-Clamped (CC).
Hadi Hamidizadeh +2 more
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Some properties of the dissipative model of strain-gradient plasticity [PDF]
A theoretical and computational investigation is carried out of a dissipative model of rate-independent strain-gradient plasticity and its regularization.
Carstensen, C +4 more
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