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math.NA2017
Truncated Nonsmooth Newton Multigrid Methods for Block-Separable Minimization Problems
Carsten Gräser, Oliver Sander
The Truncated Nonsmooth Newton Multigrid (TNNMG) method is a robust and efficient solution method for a wide range of block-separable convex minimization problems, typically stemmi…
math.NA2017
A globally convergent filter-trust-region method for large deformation contact problems
Jonathan Youett, Oliver Sander, Ralf Kornhuber
We present a globally convergent method for the solution of frictionless large deformation contact problems for hyperelastic materials. The discretisation uses the mortar method wh…
math.NA2017
Solving primal plasticity increment problems in the time of a single predictor-corrector iteration
Oliver Sander
The Truncated Nonsmooth Newton Multigrid (TNNMG) method is a well-established method for the solution of strictly convex block-separably nondifferentiable minimization problems. It…