نتایج جستجو برای: plastic wrinkling

تعداد نتایج: 56060  

2005
J. E. Kent A. R. Masri S. H. Stårner S. S. Ibrahim

A key outstanding issue with turbulent premixed flames lies in modeling the burning rate which may be related to the flame surface density if the laminar flamelet assumption applies. Although it is generally accepted that, in the flamelet regimes, higher turbulence levels increases flame wrinkling and hence its surface density, recent imaging experiments are not consistent making this a controv...

Journal: :Nonlinearity 2021

Abstract When a liquid crystal elastomer layer is bonded to an elastic layer, it creates bilayer with interesting properties that can be activated by applying traction at the boundaries or optothermal stimulation. Here, we examine wrinkling responses in three-dimensional nonlinear systems containing monodomain and homogeneous isotropic incompressible hyperelastic such one thin compared other. T...

Journal: :Soft matter 2015
Manuela Nania Omar K Matar João T Cabral

We study the surface oxidation of polydimethylsiloxane (PDMS) by air plasma exposure and its implications for the mechanically-induced surface wrinkling of the resulting glass-elastomer bilayers. The effect of plasma frequency (kHz and MHz), oxygen content (from O2 to air), pressure (0.5 ≤ P ≤ 1.5 mbar), as well as exposure time and power, is quantified in terms of the resulting glassy skin thi...

2008
Y. Eliashberg N. M. Mishachev

This is the third paper in our Wrinkling saga (see [EM1], [EM2]). The first paper [EM1] was devoted to the foundations of the method. The second paper [EM2], as well as the current one are devoted to the applications of the wrinkling process. In [EM2] we proved, among other results, a generalized Igusa’s theorem about functions with moderate singularities. The current paper is devoted to applic...

Journal: :Plastic and reconstructive surgery 2000
J B Tebbetts

Adequate fill of any breast implant, regardless of shell characteristics, shape, or filler material, is important to prevent implant shell wrinkling, folding, or collapse that could potentially decrease the life of the implant. Implant shell life is a major factor that affects reoperation rates. The greater the necessity of reoperations, regardless of implant type, the greater the rate of local...

Journal: :Physical review letters 2014
Stephan Rudykh Mary C Boyce

The ability to control wave propagation in highly deformable layered media with elastic instability-induced wrinkling of interfacial layers is presented. The onset of a wrinkling instability in initially straight interfacial layers occurs when a critical compressive strain is achieved. Further compression beyond the critical strain leads to an increase in the wrinkle amplitude of the interfacia...

Journal: :Arquivos de neuro-psiquiatria 2014
Francisco de Assis A Gondim Davi F Araújo Italo S Oliveira Otoni Cardoso do Vale

OBJECTIVE Patients with Wilson's disease (WD) may develop a wide variety of neuropsychiatric symptoms, but there are few reports of autonomic dysfunction. Here, we described evidence of small fiber and/or autonomic dysfunction in 4 patients with WD and levodopa-responsive parkinsonism. METHOD We reviewed the charts of 4 patients with WD who underwent evaluation for the presence of neuromuscul...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2013
Yinyong Li Joseph J Peterson Sarav B Jhaveri Kenneth R Carter

A method for simultaneously patterning and functionalizing thin poly(2-hydroxyethyl methacrylate) films through a reactive silane infusion based wrinkling is developed. Wrinkled patterns with tunable wavelengths on submicrometer size are easily produced over large area surfaces and can express a wide variety of chemical functional groups on the surface. The characteristic wavelength of wrinklin...

Journal: :Journal of Applied Mechanics 2016

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