Principles of Hyperplasticity [electronic resource] : An Approach to Plasticity Theory Based on Thermodynamic Principles / by G. T. Houlsby, A. M. Puzrin.

By: Houlsby, G. T [author.]Contributor(s): Puzrin, A. M [author.] | SpringerLink (Online service)Material type: TextTextLanguage: English Publisher: London : Springer London, 2007Description: XXIII, 351 p. online resourceContent type: text Media type: computer Carrier type: online resourceISBN: 9781846282409Subject(s): Engineering | Engineering geology | Thermodynamics | Materials | Civil engineering | Engineering | Continuum Mechanics and Mechanics of Materials | Geotechnical Engineering | Engineering Thermodynamics, Transport Phenomena | Thermodynamics | Civil Engineering | Numerical and Computational Methods in EngineeringAdditional physical formats: Printed edition:: No titleDDC classification: 620.1 LOC classification: TA405-409.3QA808.2Online resources: Click here to access online
Contents:
Classical Elasticity and Plasticity -- Thermodynamics -- The Hyperplastic Formalism -- Elastic and Plastic Models in Hyperplasticity -- Advanced Plasticity Theories -- Multisurface Hyperplasticity -- Continuous Hyperplasticity -- Applications in Geomechanics: Elasticity and Small Strains -- Applications in Geomechanics: Plasticity and Friction -- Rate Effects -- Behaviour of Porous Continua -- Convex Analysis and Hyperplasticity -- Further Topics in Hyperplasticity -- Concluding Remarks.
In: Springer eBooksSummary: Principles of Hyperplasticity is concerned with the theoretical modelling of the behaviour of solids which undergo nonlinear and irreversible deformation. The approach to plasticity theory developed here is firmly rooted in thermodynamics, so that the models developed are guaranteed to obey the First and Second Laws. Major emphasis is placed on the use of potentials, and the derivation of constitutive models for irreversible behaviour entirely from two scalar potentials is shown. It is to accentuate this feature that the authors use the term "hyperplasticity", by analogy with the use of "hyperelasticity" in elasticity theory. The use of potentials has several advantages. First it allows models to be very simply defined, classified and, if necessary, developed. Secondly, by employing Legendre Transformations, it permits dependent and independent variables to be interchanged, making possible different forms of the same model for different applications. Emphasis is also placed on the derivation of incremental response, which is necessary for numerical analysis. In the later parts of the book the theory is extended to include treatment of rate-dependent materials. A new and powerful concept, in which a single plastic strain is replaced by a plastic strain function, allowing smooth transitions between elastic and plastic behaviour is also introduced. Illustrated with many examples of models derived within this framework, and including material particularly relevant to the field of geomechanics, this monograph will benefit academic researchers in mechanics, civil engineering and geomechanics and practising geotechnical engineers; it will also interest numerical analysts in engineering mechanics.
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Classical Elasticity and Plasticity -- Thermodynamics -- The Hyperplastic Formalism -- Elastic and Plastic Models in Hyperplasticity -- Advanced Plasticity Theories -- Multisurface Hyperplasticity -- Continuous Hyperplasticity -- Applications in Geomechanics: Elasticity and Small Strains -- Applications in Geomechanics: Plasticity and Friction -- Rate Effects -- Behaviour of Porous Continua -- Convex Analysis and Hyperplasticity -- Further Topics in Hyperplasticity -- Concluding Remarks.

Principles of Hyperplasticity is concerned with the theoretical modelling of the behaviour of solids which undergo nonlinear and irreversible deformation. The approach to plasticity theory developed here is firmly rooted in thermodynamics, so that the models developed are guaranteed to obey the First and Second Laws. Major emphasis is placed on the use of potentials, and the derivation of constitutive models for irreversible behaviour entirely from two scalar potentials is shown. It is to accentuate this feature that the authors use the term "hyperplasticity", by analogy with the use of "hyperelasticity" in elasticity theory. The use of potentials has several advantages. First it allows models to be very simply defined, classified and, if necessary, developed. Secondly, by employing Legendre Transformations, it permits dependent and independent variables to be interchanged, making possible different forms of the same model for different applications. Emphasis is also placed on the derivation of incremental response, which is necessary for numerical analysis. In the later parts of the book the theory is extended to include treatment of rate-dependent materials. A new and powerful concept, in which a single plastic strain is replaced by a plastic strain function, allowing smooth transitions between elastic and plastic behaviour is also introduced. Illustrated with many examples of models derived within this framework, and including material particularly relevant to the field of geomechanics, this monograph will benefit academic researchers in mechanics, civil engineering and geomechanics and practising geotechnical engineers; it will also interest numerical analysts in engineering mechanics.

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