presentation - Northeastern University

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16 CZM for progressive collapse (3D) �� CZM using PPR PPR model (park, (park, 2009) for mixed mode fracture �� CZM elements are inserted in critical areas �� Abaqus explicit + user element Park (2009) PPR CZM model Insert cohesive elements continuum elements elements Khandelwal and El-Tawil (2007)
N 17 A CZM-based macro-model 1 3 3 4 4 2 M h 3 4 Fiber section M The beam element B34 can be modeled in the same manner as CZM in continuum model N fiber δ Section Fiber section will follow modified plasticity model The stiffness of the fiber will be degraded (Damage parameter K = K 0*D)
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 and 12: 11 Cohesive law CZM schematics Intr
Page 13 and 14: 13 CZM: PPR cohesive model Based on
Page 15: CZM for ductile materials �� Va
Page 19 and 20: Modified Multi-surface Kinematic Ha
Page 21: 21 Progressive collapse � Aim to

presentation - Northeastern University

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