Local buckling of aluminium and steel plates with multiple holes
article
This paper considers local buckling of perforated square aluminium plates. Plates of various slenderness
with simply supported edges and subjected to uniaxial compression are studied using the finite element
method. Different perforation patterns are investigated, from a single circular hole to 25 circular holes
distributed over the plate. A number of aluminium alloys are considered and compared to steel grade A36. Results show that the resistance of the plates containing a single central cut-out is higher than that
of plates with more holes and of equal total cut-out size. A further refinement beyond 5 holes does not
influence the resistance
with simply supported edges and subjected to uniaxial compression are studied using the finite element
method. Different perforation patterns are investigated, from a single circular hole to 25 circular holes
distributed over the plate. A number of aluminium alloys are considered and compared to steel grade A36. Results show that the resistance of the plates containing a single central cut-out is higher than that
of plates with more holes and of equal total cut-out size. A further refinement beyond 5 holes does not
influence the resistance
Topics
TNO Identifier
529999
Source
Thin-Walled structures, 99, pp. 132-141.
Pages
132-141
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