Finite Inelastic Deformations — Theory and Applications: IUTAM Symposium Hannover, Germany 1991 (IUTAM Symposia)

ISBN 10: 3642848354 / ISBN 13: 9783642848353

Editore: Springer, 2012

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Dati bibliografici

• Titolo: Finite Inelastic Deformations ? Theory and Applications: IUTAM Symposium Hannover, Germany 1991 (IUTAM Symposia)
• Editore: Springer
• Data di pubblicazione: 2012
• Lingua: Inglese
• ISBN 10: 3642848354
• ISBN 13: 9783642848353
• Rilegatura: Brossura
• Condizione: New

Descrizione articolo

Riassunto

The IUTAM-Symposium on "Finite Inelastic Deformations - Theory and Applications" took place from August 19 to 23, 1991, at the University of Hannover, Germany, with 75 participants from 14 countries. Scope of the symposium was a fundamental treatment of new developments in plasticity and visco-plasticity at finite strains. This covered the phenomenological material theory based on continuum mechanics as well as the treatment of microstructural phenomena detected by precise experimental datas. In a restricted number, lectures on new experi­ mental facilities for measuring finite strains were also implemented into the symposium. Another important topic of the symposium was the treatment of reliable and effective computational methods for solving engineering problems with finite inelastic strains. Wi­ thin this context it was an essential feature that theory, numerical and computational analysis were be seen in an integrated way. In total 9 sessions with 37 lectures, many of them given by well known keynote-lecturers, and a poster session with 10 contributions met fully our expectations of a high ranking up-to-date forum for the interaction of four topics, namely the physical and mathematical modelling of finite strain inelastic deformations including localizations and damage as well as the achievements in the numerical analysis and implementation and the solution of complicated engineering systems. Special and important features were reliable material datas from macroscopic and microscopic tests as well as test results of complex engineering problems, like deep drawing and extrusion.

Contenuti

Physical Phenomena and Mathematical Modelling.- Elastic-Viscoplastic Analysis of Ductile Fracture (keynote lecture).- On the Stability of Finite Plastic Deformations (keynote lecture).- On Constitutive Spins at Large Inelastic Deformations.- Comparison of Two Constitutive Models with One- and Multiaxial Experiments.- A Continuum Damage Model for the Description of High Strain Rate Deformations.- Asymptotic Analysis and Numerical Simulation of Deformation Processing of Porous Metals.- Large Dynamic Deflections of Elastic-Plastic Structures Including Material Damage due to Void Growth.- A Methodology for Formulating Large Strain Viscoplastic Constitutive Equations with Application to Simple Shear.- An Unified Approach to Modelling and Numerical Solution of Coupled Field Problems in Nonlinear Solid Mechanics.- On the Thermodynamics of Rate-Independent Plasticity as an Asymptotic Limit of Viscoplasticity for Slow Processes.- Incremental Evolution of Anisotropic Hardening.- A New Constitutive Formulation for Finite Elastoplastic Deformation.- The Influence of Texture Development on the Plastic Behaviour of Polycrystals.- Elastic Invariants for Crystal Defects: A Comparison with Classical Continuum Theory of Dislocations.- Analysis of the Influence of Non-Schmid and Thermal Effects on Adiabatic Shear Band Localization in Elastic-Plastic Single Crystals.- Physical and Theoretical Aspects of Large Plastic Deformations Involving Shear Banding.- Shear Localization in Thermo-Elasto-Viscoplastic Plane Strain Blocks.- On Stability of Time-Independent Materials at Finite Strain.- Extension of Anisotropic Hardening Elastic-Plastic Theory to Finite Strains based on Visco-Elastic Finite Strain Theory.- A Formulation of Anisotropic Plasticity at Large Strains.- The Intrinsic Lagrangian Metric and Stress Variables.- Constitutive Equation and Mixed Variational Principle of Hyperelasticity Using Rotationless Strain.- Numerical Analysis and Computational Aspects.- State Updates and State-Transfer Operators in Computational Plasticity (keynote lecture).- Recent Advances in the Numerical Analysis and Simulation of Thermoplasticity at Finite Strains (keynote lecture).- Adaptive Finite Element Methods for Small Strain Elasto-Plasticity (keynote lecture).- A Numerical Method for Solution of Nonsteady Elastoviscoplastic Problems at Large Strains (keynote lecture).- A Model for Large Deformations of Elasto-Viscoplastic Solids at Finite Strains: Computational Issues.- Finite Deformation Analysis of Inelastic Materials with Micro-Structure.- Localization Analysis in Finite Deformation Elasto-Plasticity.- On the Treatment of Contact Constraints within Coupled Thermomechanical Analysis.- On Solving Problems of Advanced Plastic Flow.- Modelling and Computation of Finite Viscoplastic Strains.- Finite Inelastic Deformations of Three-Dimensional Shells with Applications to Sheet Metal Forming Processes.- 3D Finite Element Analysis of Thermomechanical Processes. Application to Forging and Casting.- A Discussion of the Mechanics of Superplastic Forming.- A Quasi-Dynamic Approach to the Analysis of Sheet Metal Forming.- Shell Finite Element for Deep Drawing Problems: Computational Aspects and Results.- Stress Localization and Deformations of Surface Asperities in Metal Forming.- Nonlinear Boundary Element Analysis for Elasto-Plastic Problem.- Rigid-Plastic Finite Element Simulator with Adaptive Element Control for Practical Forging Processes.- A Boundary / Interior Element Discretization Method for the Analysis of Two- and Three-Dimensional Elastic-Plastic Structures.- Experiments and Applications.- On the Application of Plasticity Theory for Developing Metal Forming and Testing Processes (keynote lecture).- The Thick-Walled Tube Under Internal Pressure. An Exact Solution for Plain Strain.- Optimization Techniques for Numerical Identification of Forging Parameters.- Development of an Element for the Three Dimensional Finite Element Simulation of Sheet Metal Forming Processes.- Determination of Nonassociated Constitutive Equation for Rock Salt from Experiments.- True Triaxial Failure Tests on Cubic Rock Salt Samples. Experimental Methods and Results.- Finite Elastic-Plastic Deformations and Shakedown Analysis of Bellows.- Termination of Process of Finite Plastic Deformations in Disks under Combined Loadings.