Pierre Gérard’s scientific contributions

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Publications (1)

Figure 9. Influence of the damage onset stress (í µí½ˆ í µí¿Ž ) on the mechanical response of the enriched 432 CE. Global T-S law (í µí½ˆ − í µí¼¹) for: (a) í µí½ˆ í µí¿Ž = í µí¿“í µí¿Ž í µí±´í µí±·í µí²‚, (b) í µí½ˆ í µí¿Ž = í µí¿í µí¿Ží µí¿Ž í µí±´í µí±·í µí²‚. 433
Figure 15. Influence of the thickness on the mechanical response of the DCB specimen with enriched 596 CEs: Load-Opening displacement curve (í µí±­ − í µí¼Ÿ). 597
Figure 16. Influence of the thickness on the mechanical response of the DCB specimen with enriched 619 CEs: Length of the FPZ. 620
Figure 18. Influence of the thickness on the local mechanical response of the DCB specimen with 638 enriched CEs. Global T-S law (í µí½ˆ − í µí¼¹) of the 1, 5, 10, 15, 20 and 25 th element for: (a) í µí²• í µí²‚í µí² í µí²‰ = í µí¿Ž. í µí¿ í µí²Ží µí²Ž, 639 (b) í µí²• í µí²‚í µí² í µí²‰ = í µí¿. í µí¿“ í µí²Ží µí²Ž. 640
Figure A.1. Influence of the loading rate on the mechanical response of the CE modelled with the 869 formulation proposed by Musto and Alfano [17]: (a) T-S law (í µí½ˆ − í µí¼¹), (b) Variation of the energy 870 dissipation with the loading rate. 871
A finite-thickness rate-dependent cohesive zone model
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April 2024

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3 Citations

Engineering Fracture Mechanics

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Pierre Gérard
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Citations (1)

... In enriched CZM, instead of a simple linear relationship, the models can incorporate more complex relationships, such as non-linear material behaviour and the influence of external factors (e.g., fluid pressure or confining stresses). The enriched formulation is often more accurate in simulating complex scenarios involving fracture, delamination, and other failure mechanisms, especially when the standard model's assumptions are not valid [15]. The Extended FE Method (XFEM) utilizes an enriched displacement field near the crack, demonstrating advantages over CZM in mesh-independent crack propagation. ...

Reference:

Numerical Analysis of the Structural Performance of Adhesive T-joints Under Bending Loads
A finite-thickness rate-dependent cohesive zone model

Engineering Fracture Mechanics

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Pierre Gérard