English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Tools annual

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

We explore the instabilities developed in a fluid in which viscosity dependson temperature. In particular, we consider a dependency that models a veryviscous (and thus rather rigid) lithosphere over a convecting mantle. To thisend, we study a 2D convection problem in which viscosity depends on temperatureby abruptly changing its value by a factor of 400 within a narrow temperaturegap. We conduct a study which combines bifurcation analysis and time-dependentsimulations. Solutions such as limit cycles are found that are fundamentallyrelated to the presence of symmetry. Spontaneous plate-like behaviors thatrapidly evolve towards a stagnant lid regime emerge sporadically through abruptbursts during these cycles. The plate-like evolution alternates motions towardseither the right or the left, thereby introducing temporary asymmetries on theconvecting styles. Further time-dependent regimes with stagnant and plate-likelids are found and described.

Symmetry and plate-like convection in fluids with temperature-dependent viscosity