I am working on experimental program comparing voided slab with hollow core and hollow block slabs and I want to simplify the finite element model
Can I model the voided slab in 2d rather thank 3d and how to take the effect of void distribution in both direction in such case?
One of the most promising ways is still to run it as a 3D problem but separate into two scales. The first scale is 3D analysis of a representative volume, e.g., with one “sphere” to generate effective properties of such quasi-material. The second scale is also a 3D analysis where effective properties of such quasi-material are considered approximately as homogeneous. This approach may be less applicable for strength or toughness problems, but can be a reasonable simplification for deformation analysis, especially, linear one.
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