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Truncated Nonsmooth Newton Multigrid for phase-field brittle-fracture problems

By Carsten Gräser and others
We propose the Truncated Nonsmooth Newton Multigrid Method (TNNMG) as a solver for the spatial problems of the small-strain brittle-fracture phase-field equations. TNNMG is a nonsmooth multigrid method that can solve biconvex, block-separably nonsmooth minimization problems in roughly the time of solving one linear system of equations. It exploits the... Show more
March 17, 2021
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Truncated Nonsmooth Newton Multigrid for phase-field brittle-fracture problems
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