Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Walloth, Mirjam"'
Autor:
Walloth, Mirjam, Wollner, Winnifried
Publikováno v:
SIAM J. Sci. Comput., Vol 44, 2022
Within this article, we develop a residual type a posteriori error estimator for a time discrete quasi-static phase-field fracture model. Particular emphasize is given to the robustness of the error estimator for the variational inequality governing
Externí odkaz:
http://arxiv.org/abs/2106.09469
In this work, we consider pressurized phase-field fracture problems in nearly and fully incompressible materials. To this end, a mixed form for the solid equations is proposed. To enhance the accuracy of the spatial discretization, a residual-type er
Externí odkaz:
http://arxiv.org/abs/2006.16566
This work presents a new adaptive approach for the numerical simulation of a phase-field model for fractures in nearly incompressible solids. In order to cope with locking effects, we use a recently proposed mixed form where we have a hydro-static pr
Externí odkaz:
http://arxiv.org/abs/2003.09459
In this work, we consider adaptive mesh refinement for a monolithic phase-field description for fractures in brittle materials. Our approach is based on an a posteriori error estimator for the phase-field variational inequality realizing the fracture
Externí odkaz:
http://arxiv.org/abs/1906.04657
Autor:
Walloth, Mirjam
We derive a new residual-type a posteriori estimator for a singularly perturbed reaction-diffusion problem with obstacle constraints. It generalizes robust residual estimators for unconstrained singularly perturbed equations. Upper and lower bounds a
Externí odkaz:
http://arxiv.org/abs/1812.01957
Autor:
Krause, Rolf, Walloth, Mirjam
Publikováno v:
In Applied Numerical Mathematics October 2012 62(10):1393-1410
Autor:
Krause, Rolf, Walloth, Mirjam
Publikováno v:
In Computer Methods in Applied Mechanics and Engineering 2011 200(47):3425-3438
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Autor:
Krause, Rolf, Walloth, Mirjam
Publikováno v:
In Computer Methods in Applied Mechanics and Engineering 2009 199(1):1-19