Inelastic Behaviour of Structures under Variable Loads -

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Sommaire:
The Modified multisurface hardening model and its application to cyclic loading problems.- Structures consisting of two-phase materials under thermomechanical loads.- Shakedown for systems of kinematic hardening materials.- Related mathematical models for solids and structures deformation and failure processes under repeated loading.- Nonlinear behaviour of low-plastic structures.- Elastic-viscoplastic solids subjected to thermal and loading cycles.- Some basic elements of the shakedown theory.- A variational deduction of upper and lower bound shakedown theorems by Markov's and Hill's principles over a cycle.- Influence of cyclic creep on the upper bound to shakedown inelastic deflections.- On shakedown theorems in the presence of Signorini conditions and friction.- On theorems of adaptation of elastic-plastic structures.- Extremum problems in shakedown theory.- Geometric effects on shakedown and ratchetting of axisymetric cylindrical shells subjected to variable thermal loading.- Shakedown of shells undergoing moderate rotations.- Limit, shakedown, post-yield and inadaptation analyses of discrete plastic structures.- Constitutive model and incremental shakedown analysis in finite elastoplasticity.- Case studies on the influence of geometric effects on the shakedown of structures.- Discussion of the chaotic behaviour of an elastic-plastic structure.- Inadaptation mechanisms in bellows subject to sustained pressure and cyclic axial loadings in terms of finite deformations.- Min-max approach to shakedown and limit load analysis for elastic perfectly plastic and kinematic hardening materials.- An indirect incremental method for a shakedown analysis based on the min-max approach.- Slackened systems under variable loads.- Plastic analysis and design of skeletalstructures accounting for their sensitivity to ratchetting.- Shakedown of rail corrugations.- Steady cyclic state of a structure: methods of its direct determination.- An improved boundary element analysis for the bending of a thin plate with a crack.- Stability of pavement structures under long term repeated loading.