Problems of Plasticity

List of contents.- Invited lectures.- Limit analysis : the development of a concept.- On plastic analysis of the microstructure of metallic alloys.- Lattice defect approach to plasticity and viscoplasticity.- Representation of elastoplastic behavior by means of state variables.- Elastic-plastic theory at finite strain.- Director vectors and constitutive equations for plastic and viscoplastic media.- Internal variable description of plasticity.- The microdynamics of plastic flow.- Experimental plasticity. Some thoughts on its present status and possible future trends.- Mathematical methods in plasticity theory.- Computer solutions of plasticity problems.- Rate-type constitutive equations in dynamic plasticity.- Superplasticity : the behaviour and uses of ultra-fine grain alloys.- Constitutive laws for granular media.- Discussion notes.- An axiomatic approach to the theory of thermomechanically constrained materials.- Basic underwater explosive forming systems.- Distributional aspects of the theory of plastic time dependent phenomena.- Boundary value problems with incremental plasticity in granular media.- On objective stress-rate in the constitutive relation for elasticplastic solids.- Extremum principles in the dynamics of rigid-plastic bodies and mathematical programming.- Plasticity analysis in soil mechanics problems.- A note on the behaviour of hardening - softening granular media.- Some remarks on the strain-rate sensitive behavior of shells.- On shakedown criteria.- Comment on elastic and plastic rotations.- A minimum principle in dynamics of elastic-plastic continua at finite deformation.- A note on displacement bounding techniques for dynamically loaded inelastic structures.- Optimal design criteria for reinforced plates and shells.- Coupled thermo-plastic problems.- Un exemple de non validité de la théorie classique des charges limites pour un système non standard.- Elastic-plastic transition.- The constitutive aspects of aging metals.- Formulation of some homogeneous thermodynamic processes as variational inequalities.- Stable growth of a crack in a rate-sensitive Tresca solid.- Discussions to papers contributed.- Static and dynamic elasto-plastic analysis by the method of finite elements in space and time.- Theory of probability and limit analysis of structures under multiparameter loading.- Sur le comportement élasto-plastique et viscoplastique des monocristaux et polycristaux métalliques de structure cubique à faces centrées.- Yield under high hydrostatic pressure.- Plane waves in elastic-plastic solids.- An analytical model of large deformation effects in crystalline aggregates.- On the thermodynamic states of plastically deformed solids.- Some experimental investigations of the elastic-plastic wave propagation in bars.- Finite-strain theory of inelastic behavior of crystalline solids.- On large elastic-plastic deformations.- Microstress fields of slip bands and inhomogeneity of plastic deformation of metals.- A shakedown matrix theory allowing for workhardening and second-order geometric effects.- A description of workhardening of metals with application to variable loading.- Recent advances in optimal plastic design.- Subsequent yield surface determined in consideration of the Bauschinger effect.- Experimental study on one type of plastic anisotropy not considered in simplified flow theories.- Some solutions for a class of plastic-elastic solids.- Comportement élasto-plastique des milieux granulaires.- Fundamental relations of plasticity derived from hypo-elasticity.- Observed plastic behavior of metalsvis-a-vis the endochronic theory of plasticity.- Composite and overlay models in numerical analysis of elastoplastic continua.- Referees.- Symposium Participants.