Reinforced Concrete Beam (COMSOL Multiphysics )
This example demonstrates how to incorporate steel reinforcement that is much smaller than the geometrical dimensions of the concrete structure.
Instead of a 3D solid, the steel reinforcements are modelled using the truss interface. Modeling them as solids would require a large number of tiny elements and result in an unduly long solution time.
Four different variants of modeling are compared:
Elastic beam without rebars
Elastic beam with elastoplastic rebars
Ottosen model for the concrete and elastoplastic rebars
Mazars damage model for the concrete and elastoplastic rebars
Link for files:
https://drive.google.com/drive/folder...
Link to explanation of results:
• Reinforced Concrete Beam Results #COM...
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