Numerical Modelling in Geomechanics

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Langue : Anglais

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Ouvrage 342 p. · 16x24 cm · Relié
ISBN : 9781903996423 EAN : 9781903996423

The use of numerical modelling has begun a revolution in the available tools and methods with which to study geomechanics. This involves the analysis of geomaterials : materials whose mechanical behaviour depends on the pressure to which they are subjected. These are mainly concrete, soils and rocks. This publication extensively covers numerical modelling which makes possible the application of numerical methods to a range of materials and topics. These include brittle and ductile materials, water saturated and partially saturated geomaterials, large and samll strains, steady state and transient problems, soil dynamics, strain localization, and applications related to natural hazards. The various contributors to this volume cover not only the theoretical aspects of the subject, the main emphasis of the contents, but also practical examples of the effects of such factors as chemical degradation, rock weathering, and debris flows and flow slides.
Steady state problems of elliptic type. Transient problems of parabolic type. Constitutive modelling for rate-independent soils : a review. Coupling equations for water saturated and partially saturated geomaterials. Continuum damage modelling and some computational issues. Non linear problems : an introduction. Small strain vs large strain formulation in computational mechanics. Implicit integration of constitutive equations in computational plasticity. Non linear problems : advanced techniques. A finite element model for water saturated and partially saturated geomaterials. Alternative formulations in soil dynamics. Objective modelling of strain localization. Numerical modelling of strong discontinuities. Practical aspects of the finite element method. Mechanical effects of chemical degradation of bonded geomaterials in boundary value problems. Finite element of modelling of landslides. Modelling of debris flows and flow slides. Index.