On The Calibration Of Constitutive Models By Multivariate Optimization

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On The Calibration Of Constitutive Models By Multivariate Optimization

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Author : Jay S. DeNatale
language : en
Publisher:
Release Date : 1983

On The Calibration Of Constitutive Models By Multivariate Optimization written by Jay S. DeNatale and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.

Numerical Methods For Implementing The Bounding Surface Plasticity Model For Clays

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Author : Thomas Joseph Holland
language : en
Publisher:
Release Date : 1997

Numerical Methods For Implementing The Bounding Surface Plasticity Model For Clays written by Thomas Joseph Holland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.

Previous work on the development and numerical implementation of the bound surface plasticity model for clays is discussed. Modifications were made to the hardening relationship to improve the numerical performance in the tensile range. A rate equation for the loading surface was developed. Modifications were made to the invariant description of the bounding surface to avoid numerical difficulties in evaluating the derivatives. The closest point projection method is described for simple and general internal variable plasticity models. The method was developed within the classical plasticity framework and uses the Newton-Raphson method to satisfy the implicit integration of the rate equations and the consistency condition. An explicit treatment of the internal variables is discussed. Application of this method for the bounding surface plasticity model for clays was developed by adding an internal variable and using the rate equation for the loading surface. A new algorithm 'the reduced Newton method' was developed for the bounding surface plasticity model for clays. It involved mapping the stress rate equations, internal variable rate equations and the consistency condition into two nonlinear equations and integrating them with a backwards Euler formula using Newton-Raphson iteration. Comparisons of predictions for a number of sample problems was made using the trapezoidal integration, closest point and reduced Newton methods. 'Exact' solutions for stress points that start on the bounding surface were developed by assigning an arbitrary stress path and calculating the corresponding strains using numerical integration with a tight tolerance. The 'exact' solutions were used to evaluate the effectiveness of the proposed general numerical implementation of the bounding surface method. A standard effective stress interface is proposed for finite element programs that u.

Indian Geotechnical Journal

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Author :
language : en
Publisher:
Release Date : 1997

Indian Geotechnical Journal written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Foundations categories.

Engineering Mechanics In Civil Engineering

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Author : American Society of Civil Engineers. Engineering Mechanics Division. Specialty Conference
language : en
Publisher:
Release Date : 1984

Engineering Mechanics In Civil Engineering written by American Society of Civil Engineers. Engineering Mechanics Division. Specialty Conference and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Technology & Engineering categories.

Constitutive Laws For Engineering Materials

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Author : Chandrakant S. Desai
language : en
Publisher: Elsevier Publishing Company
Release Date : 1987

Constitutive Laws For Engineering Materials written by Chandrakant S. Desai and has been published by Elsevier Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Law categories.

Bounding Surface Hypo Plasticity Model For Granular Soils And Its Applications

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Author : Zhi-Liang Wang
language : en
Publisher:
Release Date : 1990

Bounding Surface Hypo Plasticity Model For Granular Soils And Its Applications written by Zhi-Liang Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.

Constitutive Laws For Engineering Materials Theory And Application

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Author : Chandrakant S. Desai
language : en
Publisher:
Release Date : 1983

Constitutive Laws For Engineering Materials Theory And Application written by Chandrakant S. Desai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Civil engineering categories.

Material Parameter Estimation For Modern Constitutive Equations

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Author : American Society of Mechanical Engineers. Winter Annual Meeting
language : en
Publisher: American Society of Mechanical Engineers
Release Date : 1993

Material Parameter Estimation For Modern Constitutive Equations written by American Society of Mechanical Engineers. Winter Annual Meeting and has been published by American Society of Mechanical Engineers this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Mathematics categories.

Crack Propagation In Earth Embankment Subjected To Fault Movement

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Author : Joonik Sohn
language : en
Publisher:
Release Date : 1988

Crack Propagation In Earth Embankment Subjected To Fault Movement written by Joonik Sohn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Dam failures categories.

Soils And Foundations

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Author :
language : en
Publisher:
Release Date : 1998

Soils And Foundations written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Foundations categories.