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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 that blocking of the fluid occurs. The anti-plane flow in twodimensional and onedimensional cases is considered. A variational formulation...
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 that blocking of the fluid
occurs.
The anti-plane flow in
twodimensional and
onedimensional cases is considered.
A variational formulation...
This paper deals with the flow problem of a viscous plastic fluid in a cylindrical pipe. In order to approximate this problem governed by a variational inequality, we apply the nonconforming mortar finite element method. By using appropriate techniques, we are able to prove the convergence of the method and to obtain the same convergence rate as in the conforming case.
This paper deals with the flow problem of a
viscous plastic fluid in a cylindrical pipe. In order to
approximate this problem governed by a variational inequality, we
apply the nonconforming
mortar finite element method. By using
appropriate techniques, we are able to prove the convergence of the method
and to obtain the same convergence rate as in the conforming case.
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