Results 31 to 40 of about 158,094 (288)

Nonlinear elasticity of microsphere heaps [PDF]

open access: yesPhysical Review E, 2014
Thermal fluctuations, geometric exclusion, and external driving all govern the mechanical response of dense particulate suspensions. Here, we measure the stress-strain response of quasi-two-dimensional flow-stabilized microsphere heaps in a regime in which all three effects are present using a microfluidic device.
Carlos P, Ortiz   +2 more
openaire   +2 more sources

Nonlinear Vibration Analysis of FG Nano-Beams in Thermal Environment and Resting on Nonlinear Foundation based on Nonlocal and Strain-Inertia Gradient Theory [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2018
In present research, nonlinear vibration of functionally graded nano-beams subjected to uniform temperature rise and resting on nonlinear foundation is comprehensively studied.
Ebrahim Mahmoudpour
doaj  

Nonlinear electrohydrodynamic instability through two jets of an Oldroydian viscoelastic fluids with a porous medium under the influence of electric field

open access: yesAIP Advances, 2019
In the light of the viscous potential theory, a nonlinear instability of the surface waves propagating through two jets of viscoelastic fluids is scrutinized.
Galal M. Moatimid, Doaa R. Mostapha
doaj   +1 more source

Do Athermal Amorphous Solids Exist?

open access: yes, 2011
We study the elastic theory of amorphous solids made of particles with finite range interactions in the thermodynamic limit. For the elastic theory to exist one requires all the elastic coefficients, linear and nonlinear, to attain a finite thermodynamic
D. Jang   +5 more
core   +1 more source

Nonlinear elasticity of composite networks of stiff biopolymers with flexible linkers [PDF]

open access: yes, 2008
Motivated by recent experiments showing nonlinear elasticity of in vitro networks of the biopolymer actin cross-linked with filamin, we present an effective medium theory of flexibly cross-linked stiff polymer networks. We model such networks by randomly
C. P. Broedersz   +4 more
core   +3 more sources

Characterization of Nitinol Produced by Laser Powder Bed Fusion for Mechanical Metamaterial Applications

open access: yesAdvanced Engineering Materials, EarlyView.
Stabilization of L‐PBF Ni50.7Ti49.3 under low‐cycle loading was investigated. Recoverable strain after cycling was dependent on the amount of applied load. Recovery ratio was 53.4% and 35.1% at intermediate and high load, respectively. The maximum total strain reached 10.3% at a high load of 1200 MPa.
Ondřej Červinek   +5 more
wiley   +1 more source

A Riemannian approach to strain measures in nonlinear elasticity [PDF]

open access: yes, 2013
The isotropic Hencky strain energy appears naturally as a distance measure of the deformation gradient to the set SO(n) of rigid rotations in the canonical left-invariant Riemannian metric on the general linear group GL(n).
Eidel, Bernhard   +3 more
core   +2 more sources

Nonlinear Elasticity of the Sliding Columnar Phase

open access: yes, 1998
The sliding columnar phase is a new liquid-crystalline phase of matter composed of two-dimensional smectic lattices stacked one on top of the other. This phase is characterized by strong orientational but weak positional correlations between lattices in ...
B. I. Halperin   +18 more
core   +1 more source

A Numerical–Experimental Approach for Multi‐Matrix Fiber‐Reinforced Plastics Characterization Using Finite Element Model Updating

open access: yesAdvanced Engineering Materials, EarlyView.
A numerical–experimental framework is developed for characterizing multi‐matrix fiber‐reinforced polymers (MM‐FRPs) combining epoxy and polyurethane matrices. Harmonic bending tests are integrated with finite element model updating (FEMU) to simultaneously identify elastic and viscoelastic material parameters.
Rodrigo M. Dartora   +4 more
wiley   +1 more source

Alignment and Nonlinear Elasticity in Biopolymer Gels

open access: yes, 2014
We present a Landau type theory for the non-linear elasticity of biopolymer gels with a part of the order parameter describing induced nematic order of fibers in the gel.
Feng, Jingchen   +3 more
core   +1 more source

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