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 Plus annual

Presents the access of premium content as premium feature

Premium Content

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 annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

This work is concerned with the flow of a viscous plastic fluid. We choose a model of Bingham type taking into account inhomogeneous yield limit of the fluid, which is well-adapted in the description of landslides. After setting the general threedimensional problem, the blocking property is introduced. We then focus on necessary and sufficient conditions such thatblocking of the fluid occurs. The anti-plane flow in twodimensional and onedimensional cases is considered. A variational formulation in terms of stresses is deduced. More fine properties dealing with local stagnant regions as well as local regions where the fluid behaves like a rigid body are obtained in dimension one. Resume Nous considerons le probleme de l'´ecoulement d'un fluide viscoplastique. Intervenant dans la modelisation des glissements de terrain, le modele choisi est de type Bingham avec un seuil de plasticite non homogene. La propriete de blocage du fluide est tout d'abord introduite pour le probleme tridimen- sionnel general. Nous nous interessons ensuite aux conditions necessaires et suffisantes de blocage du fluide. Le probleme antiplan est considere dans les cas bidimensionnel et monodimensionnel et une formulation variationnelle en contraintes est obtenue et utilisee. Des proprietes plus fines concernant les zones stagnantes du fluide ainsi que celles ou le fluide se comporte localement comme un corps rigide sontetablies en dimension un.

The blocking of an inhomogeneous Bingham fluid. Applications to landslides