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Adaptive Simulation of Behaviour
of Materials with Strain Softening

Daniel Rypl, Borek Patzák

Department of Structural Mechanics
Faculty of Civil Engineering
Czech Technical University in Prague
Thákurova 7, 166 29 Prague, Czech Republic


The present paper deals with h-adaptive analysis of quasi-brittle materials characterized by strain softening. The adopted scalar damage material model is regularized using the nonlocal continuum concept. To assess the distribution of the solution error a residual-based error estimator is employed. This is then integrated with appropriate refinement strategy into a truly adaptive framework, which is presented on an example.

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Daniel Rypl