rutatingDrumMedium added
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b7d510adf2
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/* -------------------------------*- C++ -*--------------------------------- *\
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| phasicFlow File |
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| copyright: www.cemf.ir |
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\* ------------------------------------------------------------------------- */
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objectName interaction;
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objectType dicrionary;
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materials (glassMat wallMat); // a list of materials names
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densities (2500.0 2500); // density of materials [kg/m3]
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contactListType sortedContactList;
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model
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{
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contactForceModel nonLinearLimited;
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rollingFrictionModel normal;
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/*
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Property (glassMat-glassMat glassMat-wallMat
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wallMat-wallMat);
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*/
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Yeff (1.0e6 1.0e6 // Young modulus [Pa]
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1.0e6);
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Geff (0.8e6 0.8e6 // Shear modulus [Pa]
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0.8e6);
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nu (0.25 0.25 // Poisson's ratio [-]
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0.25);
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en (0.97 0.85 // coefficient of normal restitution
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1.00);
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et (1.0 1.0 // coefficient of tangential restitution
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1.0);
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mu (0.65 0.65 // dynamic friction
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0.65);
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mur (0.1 0.1 // rolling friction
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0.1);
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}
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contactSearch
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{
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method NBS; // method for broad search particle-particle
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wallMapping cellsSimple; // method for broad search particle-wall
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NBSInfo
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{
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updateFrequency 20; // each 20 timesteps, update neighbor list
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sizeRatio 1.1; // bounding box size to particle diameter (max)
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}
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cellsSimpleInfo
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{
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updateFrequency 20; // each 20 timesteps, update neighbor list
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cellExtent 0.6; // bounding box for particle-wall search (> 0.5)
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}
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}
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/* -------------------------------*- C++ -*--------------------------------- *\
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| phasicFlow File |
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| copyright: www.cemf.ir |
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\* ------------------------------------------------------------------------- */
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objectName particleInsertion;
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objectType dicrionary;
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active no; // is insertion active?
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collisionCheck No; // not implemented for yes
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/* -------------------------------*- C++ -*--------------------------------- *\
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| phasicFlow File |
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| copyright: www.cemf.ir |
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\* ------------------------------------------------------------------------- */
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objectName sphereDict;
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objectType sphereShape;
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names (glassBead); // names of shapes
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diameters (0.003); // diameter of shapes
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materials (glassMat); // material names for shapes
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#!/bin/sh
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cd ${0%/*} || exit 1 # Run from this directory
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ls | grep -P "^(([0-9]+\.?[0-9]*)|(\.[0-9]+))$" | xargs -d"\n" rm -rf
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rm -rf VTK
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#------------------------------------------------------------------------------
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#!/bin/sh
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cd ${0%/*} || exit 1 # Run from this directory
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echo "\n<--------------------------------------------------------------------->"
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echo "1) Creating particles"
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echo "<--------------------------------------------------------------------->\n"
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particlesPhasicFlow
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echo "\n<--------------------------------------------------------------------->"
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echo "2) Creating geometry"
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echo "<--------------------------------------------------------------------->\n"
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geometryPhasicFlow
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echo "\n<--------------------------------------------------------------------->"
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echo "3) Running the case"
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echo "<--------------------------------------------------------------------->\n"
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sphereGranFlow
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#------------------------------------------------------------------------------
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/* -------------------------------*- C++ -*--------------------------------- *\
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| phasicFlow File |
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| copyright: www.cemf.ir |
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\* ------------------------------------------------------------------------- */
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objectName geometryDict;
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objectType dictionary;
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// motion model: rotating object around an axis
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motionModel rotatingAxisMotion;
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surfaces
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{
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/*
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A cylinder with begin and end radii 0.12 m and axis points at (0 0 0)
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and (0 0 0.36)
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*/
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cylinder
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{
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type cylinderWall; // type of the wall
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p1 (0.0 0.0 0.0); // begin point of cylinder axis
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p2 (0.0 0.0 0.36); // end point of cylinder axis
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radius1 0.12; // radius at p1
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radius2 0.12; // radius at p2
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resolution 24; // number of divisions
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material wallMat; // material name of this wall
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motion rotAxis; // motion component name
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}
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/*
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This is a plane wall at the rear end of cylinder
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*/
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wall1
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{
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type planeWall; // type of the wall
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p1 (-0.12 -0.12 0.0); // first point of the wall
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p2 ( 0.12 -0.12 0.0); // second point
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p3 ( 0.12 0.12 0.0); // third point
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p4 (-0.12 0.12 0.0); // fourth point
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material wallMat; // material name of the wall
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motion rotAxis; // motion component name
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}
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/*
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This is a plane wall at the front end of cylinder
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*/
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wall2
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{
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type planeWall;
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p1 (-0.12 -0.12 0.36);
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p2 ( 0.12 -0.12 0.36);
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p3 ( 0.12 0.12 0.36);
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p4 (-0.12 0.12 0.36);
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material wallMat;
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motion rotAxis;
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}
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}
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// information for rotatingAxisMotion motion model
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rotatingAxisMotionInfo
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{
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rotAxis
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{
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p1 (0.0 0.0 0.0); // first point for the axis of rotation
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p2 (0.0 0.0 1.0); // second point for the axis of rotation
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omega 1.214; // rotation speed (rad/s) => 11.6 rpm
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}
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}
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/* -------------------------------*- C++ -*--------------------------------- *\
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| phasicFlow File |
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| copyright: www.cemf.ir |
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\* ------------------------------------------------------------------------- */
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objectName particlesDict;
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objectType dictionary;
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setFields
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{
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/*
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Default value for fields defined for particles
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These fields should always be defined for simulations with
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spherical particles.
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*/
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defaultValue
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{
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velocity realx3 (0 0 0); // linear velocity (m/s)
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acceleration realx3 (0 0 0); // linear acceleration (m/s2)
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rotVelocity realx3 (0 0 0); // rotational velocity (rad/s)
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shapeName word glassBead; // name of the particle shape
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}
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selectors
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{}
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}
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// positions particles
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positionParticles
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{
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method positionOrdered; // ordered positioning
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maxNumberOfParticles 250001; // maximum number of particles in the simulation
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mortonSorting Yes; // perform initial sorting based on morton code?
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positionOrderedInfo
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{
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box // box for positioning particles
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{
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min (-0.08 -0.08 0.0); // lower corner point of the box
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max ( 0.08 0.08 0.36); // upper corner point of the box
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}
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diameter 0.003; // minimum space between centers of particles
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numPoints 250000; // number of particles in the simulation
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axisOrder (z y x); // axis order for filling the space with particles
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}
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positionRandomInfo
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{
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box // box for positioning particles
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{
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min (-0.09 -0.09 0.0); // lower corner point of the box
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max ( 0.09 0.09 0.36); // upper corner point of the box
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}
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diameter 0.003; // minimum space between centers of particles
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numPoints 250000; // number of particles in the simulation
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maxIterations 40; // max number of contact search passes to position particles
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}
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}
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/* -------------------------------*- C++ -*--------------------------------- *\
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| phasicFlow File |
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| copyright: www.cemf.ir |
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\* ------------------------------------------------------------------------- */
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objectName settingsDict;
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objectType dictionary;;
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run rotatingDrumMedium;
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dt 0.00001; // time step for integration (s)
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startTime 0; // start time for simulation
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endTime 10; // end time for simulation
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saveInterval 0.1; // time interval for saving the simulation
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timePrecision 6; // maximum number of digits for time folder
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g (0 -9.8 0); // gravity vector (m/s2)
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/*
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Simulation domain
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every particles that goes outside this domain is deleted.
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*/
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domain
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{
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min (-0.12 -0.12 0);
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max (0.12 0.12 0.36);
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}
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integrationMethod AdamsBashforth3; // integration method
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timersReport Yes; // report timers?
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timersReportInterval 0.01; // time interval for reporting timers
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@ -6,7 +6,7 @@
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objectName interaction;
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objectName interaction;
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objectType dicrionary;
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objectType dicrionary;
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materials (prop1); // a list of material names
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materials (prop1); // a list of materials names
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densities (1000.0); // density of materials [kg/m3]
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densities (1000.0); // density of materials [kg/m3]
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contactListType sortedContactList;
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contactListType sortedContactList;
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@ -46,7 +46,7 @@ contactSearch
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cellsSimpleInfo
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cellsSimpleInfo
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{
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{
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updateFrequency 20; // each 20 timesteps, update neighbor list
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updateFrequency 20; // each 20 timesteps, update neighbor list
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cellExtent 0.7; // bounding
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cellExtent 0.7; // bounding box for particle-wall search (> 0.5)
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}
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}
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}
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}
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#!/bin/sh
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cd ${0%/*} || exit 1 # Run from this directory
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ls | grep -P "^(([0-9]+\.?[0-9]*)|(\.[0-9]+))$" | xargs -d"\n" rm -rf
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rm -rf VTK
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#------------------------------------------------------------------------------
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#!/bin/sh
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cd ${0%/*} || exit 1 # Run from this directory
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echo "\n<--------------------------------------------------------------------->"
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echo "1) Creating particles"
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echo "<--------------------------------------------------------------------->\n"
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particlesPhasicFlow
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echo "\n<--------------------------------------------------------------------->"
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echo "2) Creating geometry"
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echo "<--------------------------------------------------------------------->\n"
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geometryPhasicFlow
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echo "\n<--------------------------------------------------------------------->"
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echo "3) Running the case"
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echo "<--------------------------------------------------------------------->\n"
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sphereGranFlow
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#------------------------------------------------------------------------------
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