Results 321 to 330 of about 1,607,713 (385)

A neuronal least-action principle for real-time learning in cortical circuits. [PDF]

Elife
Senn W, Dold D, Kungl AF, Ellenberger B, Jordan J, Bengio Y, Sacramento J, Petrovici MA.   +7 more
europepmc   +1 more source

Evolution of Species’ Range and Niche in Changing Environments

Polechová J.
europepmc   +1 more source

Precise engineering of gene expression by editing plasticity. [PDF]

Genome Biol
Qiu Y, Liu L, Yan J, Xiang X, Wang S, Luo Y, Deng K, Xu J, Jin M, Wu X, Liwei Cheng, Zhou Y, Xie W, Liu HJ, Fernie AR, Hu X, Yan J.   +16 more
europepmc   +1 more source

Gradient plasticity in isotropic solids [PDF]

Mathematics and Mechanics of Solids, 2021
We discuss a framework for the description of gradient plasticity in isotropic solids based on the Riemannian curvature derived from a metric induced by plastic deformation. This culminates in a flow rule in the form of a fourth-order partial differential equation for the plastic strain rate, in contrast to the second-order flow rules that have been ...
D. Steigmann
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Strain gradient plasticity in gradient structured metals

Journal of the Mechanics and Physics of Solids, 2020
Abstract Structural gradients in metallic materials can give rise to substantial extra strengths compared to their non-gradient counterparts. This strengthening effect originates from the plastic strain gradients arising in plastically deformed gradient structures.
Ting Zhu, Lei Lu, Zhao Cheng, Yin Zhang
openaire   +3 more sources

Fractional strain-gradient plasticity

European Journal of Mechanics - A/Solids, 2019
We develop a strain-gradient plasticity theory based on fractional derivatives of plastic strain and assess its ability to reproduce the scaling laws and size effects uncovered by the recent experiments of Mu et al. (2014, 2016, 2017) on copper thin layers undergoing plastically constrained simple shear.
C.F.O. Dahlberg, M. Ortiz
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Finite Gradient Elasticity and Plasticity [PDF]

, 2020
Within the range of finite deformations, material laws have to fulfil certain invariance requirements. If we assume invariance under rigid body modifications, it is generally recommended to use material variables because of their invariance property, i.e. those which are defined in the reference placement.
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