# DEGREE REGULATIONS & PROGRAMMES OF STUDY 2017/2018

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# Undergraduate Course: Computational Geomechanics 5 (CIVE11036)

 School School of Engineering College College of Science and Engineering Credit level (Normal year taken) SCQF Level 11 (Year 5 Undergraduate) Availability Available to all students SCQF Credits 10 ECTS Credits 5 Summary This course provides ways to understand and describe mechanical behaviour of geomaterials from a computational modelling point of view. Plasticity theory and models as well as their integration algorithms will be presented for geomaterial constitutive behaviour. Discrete modelling will also be introduced as a complimentary approach to continuum theory. It will show how geotechnical engineering problems, such as consolidation, bearing capacity and slop stability, are modelled and solved using numerical approaches. Course description Lecture Topics: 1. Introduction - course content and schedule - why is a numerical approach needed in the geotechnical engineering context 2. Discrete modelling - discrete versus continuum modelling - introduction to discrete element method (DEM) - DEM solution procedure, contact model and detect algorithms 3. One-dimensional (1D) plasticity - plasticity theory basics - 1D frictional models - the initial boundary-value problem (IBVP) - integration algorithm - finite-element solution of the elastoplastic IBVP 4. Classical plasticity and soil behaviour - general framework of classical plasticity - elastic models; and plastic models: Tresca, Huber-von Mises, Mohr-Coulomb, Drucker-Prager, Lade-Duncan, Cam clay - integration algorithms - Soil behaviour and its relation to the constitutive models 5. Numerical solution of geotechnical engineering problems - general procedure - examples: 1D consolidation, triaxial test, embankment, foundation
 Pre-requisites It is RECOMMENDED that students have passed Geotechnical Engineering 3 (CIVE09016) Co-requisites Prohibited Combinations Other requirements None
 Pre-requisites None High Demand Course? Yes
 Not being delivered
 On completion of this course, the student will be able to: Distinguish between different types of constitutive models and identify the appropriate model according to the soil types and loading conditionsUse basic concepts and models for discrete modelling to calculate a dynamic discrete processInterpret the results of numerical procedures and in the geotechnical engineering contextConduct computer simulations to solve geotechnical engineering problems using finite and discrete element methods
 (1) C. O'Sullivan. Particulate Discrete Element Modelling : a Geomechanics Perspective. Spon Press, 2011. (Chapters 1, 2, 3 and 12) (2) C.S. Desai and H.J. Siriwardane. Constitutive Laws for Engineering Materials. Prentice-Hall, 1984. (Chapters 1, 3, 4, 5, 6, 9, 10 and 11) (3) J.C. Simo and T.J.R. Hughes. Computational Inelasticity. Springer, 1998. (Chapter 1) (4) S. Helwany. Applied Soil Mechanics with ABAQUS Applications. John Wiley & Sons, 2007. (Chapter 2)
 Graduate Attributes and Skills Computational skills Keywords Not entered
 Course organiser Dr Jin Sun Tel: (0131 6)51 9028 Email: J.Sun@ed.ac.uk Course secretary Mr Craig Hovell Tel: (0131 6)51 7080 Email: c.hovell@ed.ac.uk
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