Cracked layers on flexible foundation under Low-Velocity moving Patch-Loads

The analysis of an intact elastic layer resting on a flexible foundation subjected to patch-loads moving with a constant velocity, on the layer-free boundary, is carried out. Structural energy dissipation is modeled by viscous damping. Quasi-static analysis of edge dislocation is accomplished. Based...

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Bibliographic Details
Published in:Mechanics of advanced materials and structures 2024-12, Vol.31 (24), p.6057-6071
Main Authors: Sadeghi, J., Vafa, J. P., Fariborz, S. J.
Format: Article
Language:English
Subjects:
cracked layer
edge dislocation
Edge dislocations
Elastic analysis
Elastic foundations
Elastic layers
Elastic properties
Energy dissipation
flexible foundation
Free boundaries
Infinite layer
Integral equations
moving load
Stress intensity factors
Viscous damping
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Summary:The analysis of an intact elastic layer resting on a flexible foundation subjected to patch-loads moving with a constant velocity, on the layer-free boundary, is carried out. Structural energy dissipation is modeled by viscous damping. Quasi-static analysis of edge dislocation is accomplished. Based on these solutions, integral equations are derived for a crack perpendicular to the boundary of layers under moving patch-loads. Dynamic excitation may partially/completely close the crack surface. Crack closing, in the absence of friction, is taken into account. The effects of load velocity and energy dissipation on crack stress intensity factors and opening displacement are investigated.
ISSN:1537-6494
1537-6532
DOI:10.1080/15376494.2023.2224798