presentation - Northeastern University
presentation - Northeastern University presentation - Northeastern University
12 Cohesive Zone Model: ductile materials Scheider and Brocks (2003), Tvergaardand Hutchinson (1992), Needleman, A. (1987) Load Load-displacement displacement curve Cohesive law for loading Fracture surface Cohesive law for unloading
13 CZM: PPR cohesive model Based on potential, fracture energy, mixed-mode (Park et al, 2009) Wide range of materials including brittle and ductile material Parameters α, β control the slope, allow model different materials tension shear
- Page 1 and 2: A CZM-based Macro-model for Progres
- Page 3 and 4: 3 Key elements of structural analys
- Page 5 and 6: 5 Existing approaches for collapse
- Page 7 and 8: 7 Existing approaches for collapse
- Page 9 and 10: 9 Scope of research This research s
- Page 11: 11 Cohesive law CZM schematics Intr
- Page 15 and 16: CZM for ductile materials �� Va
- Page 17 and 18: N 17 A CZM-based macro-model 1 3 3
- Page 19 and 20: Modified Multi-surface Kinematic Ha
- Page 21: 21 Progressive collapse � Aim to
13<br />
CZM: PPR cohesive model<br />
Based on potential, fracture energy, mixed-mode (Park et al, 2009)<br />
Wide range of materials including brittle and ductile material<br />
Parameters α, β control the slope, allow<br />
model different materials<br />
tension<br />
shear
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