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Viscoelasticity --- Viscoelastic materials --- materialen --- plastic --- reologie --- viscoelasticiteit --- Continuum mechanics --- Elasticity --- Viscosity --- Relaxation phenomena --- Elastoviscus materials --- Viscoelastics --- Materials

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Viscoelastic Structures covers the four basic problems in the mechanics of viscoelastic solids and structural members: construction of constitutive models for the description of thermoviscoelastic behavior of polymers; mathematical modeling of manufacturing advanced composite materials; optimal-design of structural members and technological processes of their fabrication; and stability analysis for thin-walled structural members driven by time-varying loads.This book familiarizes the reader with state-of-the-art mathematical models for advanced materials and processes, and demonstra

Polymers --- Viscoelastic materials --- Viscoelasticity --- Viscosity --- Mathematical models. --- Mechanical properties. --- Continuum mechanics --- Elasticity --- Relaxation phenomena --- Polymere --- Polymeride --- Polymers and polymerization --- Macromolecules --- Elastoviscus materials --- Viscoelastics --- Materials

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The IUTAM Symposium on Rheology of Bodies with Defects was held in Beijing in September, 1997. It was aimed at the development of Rheology in Solid Mechanics. Rheology is classified in Applied Mechanics Review under fluid mechanics, however, in its broadest content as was envisaged in its earlier days, it covers the whole spectrum of material behavior from elasticity, plasticity, and fluid mechanics to gas dynamics. It was thought of as a branch of continuum mechanics, but emphasized the physical aspects of different materials, and frequently proceeded from basic physical principles. As the temperature rises, the distinction between solid and fluid, and the distinction between their micro-mechanical movements, become blurred. The physical description of such materials and their movements must be based on the thermodynamic principles of state variable theory; the classical division between solid and fluid mechanics disappears. Under the classification adopted by Applied Mechanics Reviews, the subjects dealt with in this symposium come closer to viscoelasticity and viscoplasticity, especially close to the subdivision of creep dealing with creep rupture. The symposium focused at building a bridge between macroscopic and microscopic research on damage and fracture behavior of defective bodies made of metal, polymer, composite and other viscoelastic materials. Two different approaches are presented at the symposium. The first is a continuum damage theory for time-dependent evolution of defects at the macro/meso/microscopic levels.

Materials --- Continuum damage mechanics --- Rheology --- Viscoelastic materials --- Viscoplasticity --- Creep --- Thermomechanical properties --- Mechanics. --- Surfaces (Physics). --- Classical Mechanics. --- Characterization and Evaluation of Materials. --- Materials science. --- Material science --- Physical sciences --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Plasticity --- Viscosity --- Elastoviscus materials --- Viscoelastics --- CDM (Continuum damage mechanics) --- Damage mechanics, Continuum --- Continuum mechanics --- Fracture mechanics

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This book investigates stability loss and buckling delamination problems of the viscoelastic composite materials and structural members made from these materials within the framework of the Three-Dimensional Linearized Theory of Stability (TDLTS). The investigation of stability loss problems is based on the study of an evolution of the initial infinitesimal imperfection in the structure of the material or of the structural members with time (for viscoelastic composites) or with external compressing forces (for elastic composites). This study is made within the scope of the Three-Dimensional Geometrically Non-Linear Theory of the Deformable Solid Body Mechanics. The solution to the corresponding boundary-value problems is presented in the series form in a small parameter which characterizes the degree of the initial imperfection. The boundary form perturbation technique is employed and nonlinear problems for the domains bounded by noncanonical surfaces are reduced to the same nonlinear problem for the corresponding domains bounded by canonical surfaces and to series subsequent linearized problems. Corresponding boundary value problems are solved by employing Laplace transformation with respect to time, analytical and numerical (FEM) methods of the system of the partial itegro-differential equations. The viscoelasticity of the materials is described through the fractional exponential operators. Numerical results on the critical time and on the critical force obtained for various problems on the stability loss of the structural members made of elastic and viscoelastic composite materials and on the stability loss in the structure of these materials are presented and discussed. As well as the results of investigations on buckling delamination problems for elastic and viscoelastic composite plates contained cracks are presented and discussed.  The book has been designed for graduate students, researchers and mechanical engineers who employ composite materials in various key branches of modern industry. .

Composite materials -- Delamination. --- Composite materials. --- Composite materials --- Viscoelastic materials --- Engineering & Applied Sciences --- Chemical & Materials Engineering --- Applied Mathematics --- Materials Science --- Delamination --- Elastic properties --- Viscoelastic materials. --- Delamination. --- Elastic properties. --- Elastoviscus materials --- Viscoelastics --- Composites (Materials) --- Multiphase materials --- Reinforced solids --- Solids, Reinforced --- Two phase materials --- Delamination of composite materials --- Engineering. --- Computer mathematics. --- Continuum mechanics. --- Continuum Mechanics and Mechanics of Materials. --- Computational Mathematics and Numerical Analysis. --- Ceramics, Glass, Composites, Natural Methods. --- Materials --- Mechanics. --- Mechanics, Applied. --- Computer science --- Solid Mechanics. --- Ceramics, Glass, Composites, Natural Materials. --- Mathematics. --- Computer mathematics --- Discrete mathematics --- Electronic data processing --- Applied mechanics --- Engineering, Mechanical --- Engineering mathematics --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Mathematics --- Ceramics. --- Glass. --- Composites (Materials). --- Amorphous substances --- Ceramics --- Glazing --- Ceramic technology --- Industrial ceramics --- Keramics --- Building materials --- Chemistry, Technical --- Clay --- Solids. --- Ceramic materials. --- Data processing. --- Ceramic industries --- Mines and mineral resources --- Solid state physics --- Transparent solids