Added Rotating Drum with Baffles Tutorial
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To run this case please follow the below Steps:
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1- Open a terminal in the RotatingDrumWithBaffles
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2- Enter the code ./runThisCase to run the Case
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3- After finishing the run time please type pFlowtoVTK to convert data to VTK format
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4- After Post-Producting and viewing the case please enter ./cleanThisCase to delete data
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For more questions please contact:
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omidava.khosravi@gmail.com
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<3
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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 (lightMat heavyMat wallMat); // a list of materials names
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densities (1000 1500.0 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 (lightMat-lightMat lightMat-heavyMat lightMat-wallMat
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heavyMat-heavyMat heavyMat-wallMat
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wallMat-wallMat );
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*/
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Yeff (1.0e6 1.0e6 1.0e6 // Young modulus [Pa]
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1.0e6 1.0e6
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1.0e6);
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Geff (0.8e6 0.8e6 0.8e6 // Shear modulus [Pa]
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0.8e6 0.8e6
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0.8e6);
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nu (0.25 0.25 0.25 // Poisson's ratio [-]
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0.25 0.25
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0.25);
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en (0.97 0.97 0.85 // coefficient of normal restitution
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0.97 0.85
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1.00);
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et (1.0 1.0 1.0 // coefficient of tangential restitution
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1.0 1.0
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1.0);
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mu (0.65 0.65 0.35 // dynamic friction
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0.65 0.35
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0.35);
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mur (0.1 0.1 0.1 // rolling friction
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0.1 0.1
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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 cellMapping; // method for broad search particle-wall
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NBSInfo
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{
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updateFrequency 10; // 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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cellMappingInfo
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{
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updateFrequency 10; // 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 yes; // is insertion active?
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collisionCheck No; // not implemented for yes
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/*
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five layers of particles are packed one-by-one using 5 insertion steps.
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*/
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layer0
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{
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type cylinderRegion; // type of insertion region
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rate 5000; // insertion rate (particles/s)
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startTime 0; // (s)
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endTime 1; // (s)
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interval 0.025; //s
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cylinderRegionInfo
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{
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p2 (-0.15 0.25 0.05); // (m,m,m)
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p1 (-0.15 0.24 0.05); // (m,m,m)
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radius 0.035; // radius of cylinder (m)
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}
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setFields
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{
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velocity realx3 (0.0 -0.6 0.0); // initial velocity of inserted particles
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}
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mixture
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{
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lightSphere 1; // mixture composition of inserted particles
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}
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}
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layer1
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{
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type cylinderRegion;
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rate 7500; // (particles/s)
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startTime 0; // (s)
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endTime 1; // (s)
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interval 0.025; //s
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cylinderRegionInfo
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{
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p2 (-0.23 0.25 0.05); // (m,m,m)
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p1 (-0.23 0.24 0.05); // (m,m,m)
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radius 0.035; // radius of cylinder (m)
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}
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setFields
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{
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velocity realx3 (0.0 -0.6 0.0);
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}
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mixture
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{
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heavySphere 1; // only heavySphere
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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 sphereDict;
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objectType sphereShape;
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names (lightSphere heavySphere); // names of shapes
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diameters (0.003 0.005); // diameter of shapes
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materials (lightMat heavyMat); // 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: all surfaces are fixed
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motionModel rotatingAxisMotion;
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surfaces
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{
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Shell
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{
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type stlWall; // type of the wall
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file shell.stl; // file name in stl folder
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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 (-0.4 0.10 0.0); // first point of the wall
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p2 ( 0.0 0.10 0.0); // second point
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p3 ( 0.0 0.35 0.0); // third point
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p4 (-0.4 0.35 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; // type of the wall
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p1 (-0.4 0.10 0.1); // first point of the wall
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p2 ( 0.0 0.10 0.1); // second point
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p3 ( 0.0 0.35 0.1); // third point
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p4 (-0.4 0.35 0.1); // 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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// 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 (-0.1974 0.2269 0); // first point for the axis of rotation
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p2 (-0.1974 0.2269 0.1); // second point for the axis of rotation
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omega 2.38733; // rotation speed (rad/s) => 15 rpm
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startTime 2;
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endTime 9.5;
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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 particlesDict;
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objectType dictionary;
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setFields
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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 lightSphere; // 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 empty; // creates the required fields with zero particles (empty).
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maxNumberOfParticles 50000; // maximum number of particles in the simulation
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mortonSorting Yes; // perform initial sorting based on morton code?
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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 layerdSiloFilling;
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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 0.05; // 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 (-0.328 0.095 -0.025);
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max (-0.068 0.355 0.125);
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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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/* The STL files should be Placed in this Folder *\
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File diff suppressed because it is too large
Load Diff
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