Adaptive numerical integration of exponential finite elements for a phase field fracture model

Phase field models for fracture are energy-based and employ a continuous field variable, the phase field, to indicate cracks. The width of the transition zone of this field variable between damaged and intact regions is controlled by a regularization parameter. Narrow transition zones are required f...

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Veröffentlicht in:	Computational mechanics 2021-03, Vol.67 (3), p.811-821
Hauptverfasser:	Olesch, Darius, Kuhn, Charlotte, Schlüter, Alexander, Müller, Ralf
Format:	Artikel
Sprache:	eng
Schlagworte:	Approximation Classical and Continuum Physics Computational Science and Engineering Continuity (mathematics) Engineering Exact solutions Finite element method Mathematical models Numerical integration One dimensional models Original Paper Quadratures Regularization Shape functions Theoretical and Applied Mechanics
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