Abstract
Dynamic plastic behavior of a rigid-plastic simply supported circular plate undermoderate partial uniformly distributed impulsive load is complemented by using a unified yieldcriterion which consists of a generic of convex piecewise linear yield criteria. Upper bound andlower bound plastic responses of the plate under rectangular pulse are obtained; responsebehavior of the plate with respect to the Mises criterion is derived by a proximal manner. Theinconstant circumferential moment distribution and the non-linear flow velocity distribution in theperiods corresponding to the two motion phases are suggested in this paper. Static and kinematicadmissibility of the dynamic plastic solutions is discussed and two types of moment profiles forthe plates under intense dynamic load are supposed for studying in the future.
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