E.J. Sapountzakis1, A.E. Kampitsis2
CMES-Computer Modeling in Engineering & Sciences, Vol.87, No.2, pp. 97-126, 2012, DOI:10.3970/cmes.2012.087.097
Abstract In this paper a Boundary Element Method (BEM) is developed for the inelastic analysis of beams of arbitrarily shaped constant cross section having at least one axis of symmetry, resting on nonlinear inelastic foundation. The beam is subjected to arbitrarily distributed or concentrated vertical cyclic loading along its length, while its edges are subjected to the most general boundary conditions. A displacement based formulation is developed and inelastic redistribution is modelled through a distributed plasticity model exploiting material constitutive laws and numerical integration over the cross sections. An incremental - iterative solution strategy is adopted to resolve both the plastic… More >
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