Constitutive Modelling of Granular Materials / Edition 1

Constitutive Modelling of Granular Materials / Edition 1

by Dimitrios Kolymbas
     
 

Constitutive models are the key-stone not only for understanding the mechanical behaviour of granular materials (mainly soils but also other granulates such as sugar, wheat, coal, pellets) but also for carrying out numerical predictions by means of the finite elements method. However the extreme complexity of the behaviour of granular materials gave rise to

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Overview

Constitutive models are the key-stone not only for understanding the mechanical behaviour of granular materials (mainly soils but also other granulates such as sugar, wheat, coal, pellets) but also for carrying out numerical predictions by means of the finite elements method. However the extreme complexity of the behaviour of granular materials gave rise to confusing multiplicity of hardy tractable constitutive models proposed so far. the present book comprises a selection of the state-of the-art contributions of world-wide leading specialists with the aim to evaluate, specify and re-assess the present achievements as well as to point on needs for future research.

Product Details

ISBN-13:
9783540669197
Publisher:
Springer Berlin Heidelberg
Publication date:
04/26/2000
Series:
Engineering Online Library
Edition description:
2000
Pages:
554
Product dimensions:
9.21(w) x 6.14(h) x 1.31(d)

Table of Contents

The misery of constitutive modelling; Does engineering need science; The role of models in civil engineering; Hypoplasticity then and now; A review of two different approaches to hypoplasticity; Uniqueness, second order work and bifurcation in hypoplasticity; Stationary states in hypoplasticity; Microscopic approach contributions to constitutive modelling; Discrete and continuum modelling of granular materials; 2nd Gradient constitutive models; Micro-mechanically based higher-order continuum models for granular materials; Relevant local variables for the change of scale in granular materials; On the physical background of soil strength; The influence of time derivative terms on the mechanical behaviour of loose sands; An approach to plasticity based on generalised thermodynamics; Comparison of hypoplasticity and elastoplastic modelling of undrained triaxial tests on loose sand; Hypoplastic and elastoplastic modelling - a comparison with test data; Strain response envelope: a complementary tool for evaluating hypoplastic constitutive equations; Modelling wathering effects on the mechanical behaviour of granite; A plasticity-based constitutive model for natural soils: a hierarchical approach; Experimental bases for a new incremental non-linear constitutive relation with 5 parameters; Implicit integration of hypoplastic models; Soil-water coupling analysis of progressive failure in cuts with a strain softening model; Advances in modelling soil anisotropy; Exemples of finite element calculations with the hypoplastic law; Hypoplastic simulation of complex loading paths.

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