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Four-point bending test of an aluminum pipe reinforced with four CFRP layers in Abaqus has been modeled in this tutorial. The aluminum pipe is modeled as a solid part, the CFRP pipes are modeled as four seperate shell parts. Cohesive interaction property is considered among all layers. You can see figures of the assembled parts below
To model aluminum behavior, the elastic-plastic model with ductile, shear, and MSFLD damage criterion are selected. The CFRP layers are modeled as an elastic part with lamina damage behavior.
Dynamic explicit and general static step both can be used. The cohesive inetration property is considered between the aluminum pipe and CFRP layers, cohesive interaction is considered among the CFRP layers also. Proper bondary conditions and meshes are assigned to all parts
After the simulation, all results such as stress, strain, aluminum damage, CFRP failure, force-displacement diagram, and others are available. You can see some figures of the results below
