Critical points in the energy of hyperelastic materials
A Bermúdez–Moreno algorithm adapted to solve a viscoplastic problem in alloy solidification processes
The aim of this work is to present a computationally efficient algorithm to simulate the deformations suffered by a viscoplastic body in a solidification process. This type of problems involves a nonlinearity due to the considered thermo-elastic-viscoplastic law. In our previous papers, this difficulty has been solved by means of a duality method, known as Bermúdez–Moreno algorithm, involving a multiplier which was computed with a fixed point algorithm or a Newton method. In this paper, we will...
Existence of solution for a free boundary problem in a nonlinear piecewise homogeneous medium
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