Finite-Elemente-Modellierung des Risswachstums an 3 ... - HZDR
Finite-Elemente-Modellierung des Risswachstums an 3 ... - HZDR
Finite-Elemente-Modellierung des Risswachstums an 3 ... - HZDR
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2<br />
<strong>Modellierung</strong> <strong>des</strong> <strong>Risswachstums</strong><br />
Abstract<br />
The behavior of a 3-point bending test with incipient crack under load c<strong>an</strong> be<br />
modelied by me<strong>an</strong>s of a finite element model. The model makes the consideration of<br />
elastic-plastic material behavior possible according to the respective material-specific<br />
stress-strain curve, which is converted with the beginning of the multi-linear kinematic<br />
hardening (MKIN). Further the model permits the inclusion of the realistic role kinetiics<br />
within the bending procedure. The simulation of crack growth is realized by astrain<br />
based damage model.<br />
The finite element model c<strong>an</strong> also be used to simulate the unloading compli<strong>an</strong>ce<br />
technique. This simulation makes possible the evaluation of correction approaches<br />
used for experimental determination of crack length within the compli<strong>an</strong>ce technique.
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