Search Results - "Walgraef, D."

On dislocation patterning: Multiple slip effects in the rate equation approach by Pontes, J., Walgraef, D., Aifantis, E.C.

“…Strain localization and dislocation pattern formation are typical features of plastic deformation in metals and alloys. Glide and climb dislocation motion,…”
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On certain problems of deformation-induced material instabilities by Walgraef, D., Aifantis, E.C.

“…Deformation-induced material instabilities may be of elastic (buckling, martensitic transformations) or plastic (necking/shear banding, dislocation patterning)…”
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Amplitude equation for stationary convection in a binary viscoelastic fluid by Martinez-Mardones, J, Tiemann, R, Walgraef, D

“…Thermal convection in binary fluids with Oldroyd viscoelastic properties is studied close to threshold. The role of retardation time, characteristic of…”
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On Dislocation Patterning: Revisiting the W-A Model Part II: The Role of Stochastic Terms in Dislocation Dynamics by Walgraef, D., Aifantis, E.C.

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Rayleigh–Bénard convection in binary viscoelastic fluid by Martinez-Mardones, J, Tiemann, R, Walgraef, D

“…The onset of convection in a binary-viscoelastic Oldroyd-B fluid is investigated. The threshold for oscillatory convection is calculated. It is shown that the…”
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Thermal convection thresholds in viscoelastic solutions by Martinez-Mardones, J, Tiemann, R, Walgraef, D

“…The threshold for oscillatory convection in Rayleigh–Bénard experiments with viscoelastic binary fluids is explicitly determined as a function of separation…”
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On the mechanics of deformation instabilities in carbon nanotubes by Walgraef, D.

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Convective and absolute instabilities in viscoelastic fluid convection by Martinez-Mardones, J., Tiemann, R., Walgraef, D.

“…Convection in viscoelastic fluids may be induced by oscillatory or stationary instabilities. When the oscillatory instability appears first, the system may be…”
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Gradient pattern analysis of Swift–Hohenberg dynamics: phase disorder characterization by Rosa, R.R, Pontes, J, Christov, C.I, Ramos, F.M, Neto, C.Rodrigues, Rempel, E.L, Walgraef, D

“…In this paper, we analyze the onset of phase-dominant dynamics in a uniformly forced system. The study is based on the numerical integration of the…”
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Rose Deformation Patterns in Thin Films Irradiated by Focused Laser Beams by Lauzeral, J., Walgraef, D., Ghoniem, N. M.

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Nano-patterning of surfaces by ion sputtering: Numerical study of the anisotropic damped Kuramoto-Sivashinsky equation by Vitral, E., Walgraef, D., Pontes, J., Anjos, G.R., Mangiavacchi, N.

“…Nano-patterning of a surface presenting a preexisting atomic profile through ionic bombardment. The nonlinearities of the anisotropic damped…”
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Temporal forcing of wave patterns by WALGRAEF, D

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Implicit time splitting for fourth-order parabolic equations by Christov, C.I., Pontes, J., Walgraef, D., Velarde, M.G.

“…A coordinate-splitting economic difference scheme is proposed for generalized parabolic equations (GPE) containing fourth-order diffusion operators and the…”
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Convective and absolute instabilities in the subcritical Ginzburg-Landau equation by COLET, P, WALGRAEF, D, SAN MIGUEL, M

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Wave-unlocking transition in resonantly coupled complex Ginzburg-Landau equations by Amengual, A, Walgraef, D, San Miguel M, Hernández-García, E

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On the dynamics of dislocation patterning by Salazar, J.M., Politano, O., Walgraef, D.

“…Recent computer simulations on dislocation patterning have provided remarkable results in accordance with empirical laws. Moreover, several analytical models…”
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On the mechanics of deformation instabilities in carbon nanotubes by Walgraef, D

“…This paper reviews some of the main mechanical properties of carbon nanotubes (CNT), including nonlinear elastic instabilities and buckling, as well as defect…”
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Reaction-diffusion approach to nanostructure formation and texture evolution in adsorbed monoatomic layers by Walgraef, Daniel

“…It is shown that coverage evolution, during atomic deposition on a substrate, may be described, on mesoscopic scales, by dynamical models of the…”
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Amplitude equations and pattern selection in viscoelastic convection by Martínez-Mardones, J, Tiemann, R, Walgraef, D, Zeller, W

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Nanostructure initiation during the early stages of thin film growth by Walgraef, Daniel

“…It is shown how the combination of atomic deposition and nonlinear diffusion may lead, below a critical temperature, to the growth of nonuniform layers on a…”
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