\( \usepackage{euler} % must be loaded before fontspec for the whole doc (below); this must be kept for pngmath, however \usepackage{hyperref} \usepackage{amsmath} \usepackage{amsbsy} %\usepackage{mathabx} \usepackage{underscore} \usepackage[all]{xy} % Metadata of the pdf output \hypersetup{pdftitle={Yade Documentation}} \hypersetup{pdfauthor={Smilauer, V., et al.}} \hypersetup{pdfkeywords={Discrete element method, granular materials, contact law, hydromechanical coupling}} % symbols \renewcommand{\mat}{\boldsymbol} \renewcommand{\vec}{\boldsymbol} \renewcommand{\tens}{\boldsymbol} %normalized and locfram here \def\normalized#1{\widehat{#1}} \def\locframe#1{\widetilde{#1}} % timestep \def\Dt{\Delta t} \def\Dtcr{\Dt_{\rm cr}} % algorithm complexity \def\bigO#1{{\mathcal{O}(#1)}} % variants for greek symbols \let\epsilon\varepsilon \let\theta\vartheta \let\phi\varphi % shorthands \let\sig\sigma \let\eps\epsilon % variables at different points of time \def\prev#1{#1^-} \def\pprev#1{#1^\ominus} \def\curr#1{#1^{\circ}} \def\nnext#1{#1^\oplus} \def\next#1{#1^+} % shorthands for geometry \def\currn{\curr{\vec{n}}} \def\currC{\curr{\vec{C}}} \def\uT{\vec{u}_T} \def\curruT{\curr{\vec{u}}_T} \def\prevuT{\prev{\vec{u}}_T} \def\currn{\curr{\vec{n}}} \def\prevn{\prev{\vec{n}}} % motion \def\pprevvel{\pprev{\dot{\vec{u}}}} \def\nnextvel{\nnext{\dot{\vec{u}}}} \def\curraccel{\curr{\ddot{\vec{u}}}} \def\prevpos{\prev{\vec{u}}} \def\currpos{\curr{\vec{u}}} \def\nextpos{\next{\vec{u}}} \def\curraaccel{\curr{\dot{\vec{\omega}}}} \def\pprevangvel{\pprev{\vec{\omega}}} \def\nnextangvel{\nnext{\vec{\omega}}} \def\loccurr#1{\curr{\locframe{#1}}} \def\numCPU{n_{\rm cpu}} \DeclareMathOperator{\Align}{Align} \DeclareMathOperator{\sign}{sgn} % sorting algorithms \def\isleq#1{\currelem{#1}\ar@/^/[ll]^{\leq}} \def\isnleq#1{\currelem{#1}\ar@/^/[ll]^{\not\leq}} \def\currelem#1{\fbox{$#1$}} \def\sortSep{||} \def\sortInv{\hbox{\phantom{||}}} \def\sortlines#1{\xymatrix@=3pt{#1}} \def\crossBound{||\mkern-18mu<} \)

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Tutorial¶

This tutorial originated as handout for a course held at Technische Universität Dresden / Fakultät Bauingenieurwesen / Institut für Geotechnik in Jaunary 2011. The focus was to give quick and rather practical introduction to people without prior modeling experience, but with knowledge of mechanics. Some computer literacy was assumed, though basics are reviewed in the Hands-on section.

The course did not in reality follow this document, but was based on interactive writing and commenting simple Examples, which were mostly suggested by participants; many thanks to them for their ideas and suggestions.

  • Introduction
  • Hands-on
    • Shell basics
    • Python basics
    • Yade basics
  • Data mining
    • Read
    • Save
    • Plot
  • Setting up a simulation
    • Parametric studies
    • Boundary
  • Advanced & more
    • Particle size distribution
    • Clumps
    • Testing laws
    • Visualization
    • Convert python 2 scripts to python 3
  • Examples with tutorial
    • Bouncing sphere
    • Gravity deposition
    • Oedometric test
    • Periodic simple shear
    • 3d postprocessing
    • Periodic triaxial test
    • Fluid injection
  • More examples
    • FluidCouplingLBM
    • FluidCouplingPFV
    • HydroForceEngine
    • PeriodicBoundaries
    • PotentialBlocks
    • PotentialParticles
    • WireMatPM
    • Adaptiveintegrator
    • Agglomerate
    • Baraban
    • Bulldozer
    • Capillary
    • CapillaryLaplaceYoung
    • Chained-cylinders
    • Clumps
    • Clumps-breakage
    • Concrete
    • Conveyor
    • Cylinders
    • Deformableelem
    • Grids
    • Gts-horse
    • Hourglass
    • Packs
    • Pfacet
    • Polyhedra
    • PolyhedraBreak
    • Ring2d
    • Rod-penetration
    • Simple-scene
    • Stl-gts
    • Tesselationwrapper
    • Test
    • Tetra
    • ViscoelasticBoundaryCondition

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