Visualizzazione post con etichetta instability. Mostra tutti i post
Visualizzazione post con etichetta instability. Mostra tutti i post
lunedì 18 novembre 2024

# gst: pulse-to-crack transition, unsteady slip pulses under spatially-varying prestress scenarios.

›
AA << study the effects of a spatially-varying prestress τb(x) on 2D slip pulses, initially generated under a uniform τb a...
sabato 16 novembre 2024

# gst: apropos of transverse instabilities, from chimeras to extensive chaos

›
<< Populations of coupled oscillators can exhibit a wide range of complex dynamical behavior, from complete synchronization to chimera...
lunedì 9 settembre 2024

# gst: critical crack length during fracture.

›
AA << established an inverse correlation between the strength of the material and the cracks which grow inside it—both the maximum cra...
lunedì 24 giugno 2024

# gst: buckling instability in a chain of sticky bubbles

›
<< A slender object undergoing an axial compression will buckle to alleviate the stress. Typically the morphology of the d...
giovedì 13 giugno 2024

# gst: helical instabilities from mixed mode transitions in boundary layers

›
<< Recent (..) direct numerical simulations (DNS) of adverse- and zero-pressure-gradient boundary layers beneath moderate levels of fr...
giovedì 14 dicembre 2023

# gst: pulsating active matter.

›
<< the mechanical pulsation of locally synchronized particles is a generic route to propagate deformation waves.  >> ️ AA <&l...
sabato 9 dicembre 2023

# gst: buckling instability of sticky bubbles.

›
<< A slender object undergoing an axial compression will buckle to alleviate the stress. Typically the morphology of the d...
martedì 26 settembre 2023

# gst: apropos of transitions, three distinct new families of long-wave instabilities and potential new pathways to turbulence.

›
AA << reveal three previously unknown instabilities, distinct from the well-known Kelvin-Helmholtz Instability (KH...
lunedì 10 luglio 2023

# gst: myriad of complex dynamics from the atomization of acoustically levitated droplets

›
AA << report the dynamics of a droplet levitated in a single-axis acoustic levitator. The deformation and atomization beha...
venerdì 30 dicembre 2022

# gst: apropos of modulational instabilities, the case of vortex-ring quantum droplets in a radially-periodic potential.

›
FIG. 11: (Color online) Typical examples of stable nested patterns with soliton and vortex QDs (quantum droplets)  which were cr...
sabato 3 settembre 2022

# gst: apropos of vibrating pivots, driving a damped coplanar double pendulum.

›
AA << present results of linear and nonlinear motions of a parametrically driven coplanar double pendulum with velocity-de...
mercoledì 6 luglio 2022

# gst: when turbulence is driven by a strongly compressive guide

›
<< it is not fully understood how shocks drive turbulence, in particular whether shock driving is a more solenoidal (rotat...
lunedì 11 aprile 2022

# gst: apropos of instabilities, viscoelastic liquid bridges can be destabilized by torsion.

›
<< Liquid bridges are formed when liquids are constrained between two (or more) surfaces via the capillary force. They app...
sabato 30 ottobre 2021

# gst: apropos of transitions, perspectives on viscoelastic flow instabilities; the 'porous individualism'

›
<< given the observation that disorder can suppress the transition to elastic turbulence in 2D porous media (..), it has b...
lunedì 11 ottobre 2021

# gst: intermittent large-intensity pulses (LIE) due to instabilities in quasiperiodic motion (in Zeeman laser)

›
AA << report intermittent large-intensity pulses that originate in Zeeman laser due to instabilities in quasiperiodic motion, >>...
domenica 19 settembre 2021

# gst: approaching the complex mechanics of crumpled sheets

›
<< Crumpling an ordinary thin sheet transforms it into a structure with unusual mechanical behaviors, such as logarithmic relaxation, ...
mercoledì 2 settembre 2020

# gst: apropos of the variety in the ways liquid jets break up

›
<< When a liquid exits a nozzle and encounters something it cannot immediately mix into—a gas, for example—it forms a cylinder. Quickl...
mercoledì 19 agosto 2020

# gst: the role of surface tension during the collapse of a viscous bubble

›
<< The rupture and collapse of viscous bubbles are widespread in nature and in industrial applications. The phenomenon is accompanied ...
lunedì 13 gennaio 2020

# gst: a concrete image, chirality by dissipation, 'this effect actually owes its existence to dissipation'

›
<< Normally, dissipation alters or weakens existing quantum effects-but here we have an effect that actually owes its existence to dis...