Added Rotating Drum with Baffles Tutorial

This commit is contained in:
omid.khs 2023-02-07 10:31:26 +03:30
parent 427637d635
commit 4827570411
11 changed files with 3181 additions and 0 deletions

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To run this case please follow the below Steps:
1- Open a terminal in the RotatingDrumWithBaffles
2- Enter the code ./runThisCase to run the Case
3- After finishing the run time please type pFlowtoVTK to convert data to VTK format
4- After Post-Producting and viewing the case please enter ./cleanThisCase to delete data
For more questions please contact:
omidava.khosravi@gmail.com
<3

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/* -------------------------------*- C++ -*--------------------------------- *\
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName interaction;
objectType dicrionary;
materials (lightMat heavyMat wallMat); // a list of materials names
densities (1000 1500.0 2500); // density of materials [kg/m3]
contactListType sortedContactList;
model
{
contactForceModel nonLinearLimited;
rollingFrictionModel normal;
/*
Property (lightMat-lightMat lightMat-heavyMat lightMat-wallMat
heavyMat-heavyMat heavyMat-wallMat
wallMat-wallMat );
*/
Yeff (1.0e6 1.0e6 1.0e6 // Young modulus [Pa]
1.0e6 1.0e6
1.0e6);
Geff (0.8e6 0.8e6 0.8e6 // Shear modulus [Pa]
0.8e6 0.8e6
0.8e6);
nu (0.25 0.25 0.25 // Poisson's ratio [-]
0.25 0.25
0.25);
en (0.97 0.97 0.85 // coefficient of normal restitution
0.97 0.85
1.00);
et (1.0 1.0 1.0 // coefficient of tangential restitution
1.0 1.0
1.0);
mu (0.65 0.65 0.35 // dynamic friction
0.65 0.35
0.35);
mur (0.1 0.1 0.1 // rolling friction
0.1 0.1
0.1);
}
contactSearch
{
method NBS; // method for broad search particle-particle
wallMapping cellMapping; // method for broad search particle-wall
NBSInfo
{
updateFrequency 10; // each 20 timesteps, update neighbor list
sizeRatio 1.1; // bounding box size to particle diameter (max)
}
cellMappingInfo
{
updateFrequency 10; // each 20 timesteps, update neighbor list
cellExtent 0.6; // bounding box for particle-wall search (> 0.5)
}
}

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/* -------------------------------*- C++ -*--------------------------------- *\
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName particleInsertion;
objectType dicrionary;
active yes; // is insertion active?
collisionCheck No; // not implemented for yes
/*
five layers of particles are packed one-by-one using 5 insertion steps.
*/
layer0
{
type cylinderRegion; // type of insertion region
rate 5000; // insertion rate (particles/s)
startTime 0; // (s)
endTime 1; // (s)
interval 0.025; //s
cylinderRegionInfo
{
p2 (-0.15 0.25 0.05); // (m,m,m)
p1 (-0.15 0.24 0.05); // (m,m,m)
radius 0.035; // radius of cylinder (m)
}
setFields
{
velocity realx3 (0.0 -0.6 0.0); // initial velocity of inserted particles
}
mixture
{
lightSphere 1; // mixture composition of inserted particles
}
}
layer1
{
type cylinderRegion;
rate 7500; // (particles/s)
startTime 0; // (s)
endTime 1; // (s)
interval 0.025; //s
cylinderRegionInfo
{
p2 (-0.23 0.25 0.05); // (m,m,m)
p1 (-0.23 0.24 0.05); // (m,m,m)
radius 0.035; // radius of cylinder (m)
}
setFields
{
velocity realx3 (0.0 -0.6 0.0);
}
mixture
{
heavySphere 1; // only heavySphere
}
}

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/* -------------------------------*- C++ -*--------------------------------- *\
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName sphereDict;
objectType sphereShape;
names (lightSphere heavySphere); // names of shapes
diameters (0.003 0.005); // diameter of shapes
materials (lightMat heavyMat); // material names for shapes

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#!/bin/sh
cd ${0%/*} || exit 1 # Run from this directory
ls | grep -P "^(([0-9]+\.?[0-9]*)|(\.[0-9]+))$" | xargs -d"\n" rm -rf
rm -rf VTK
#------------------------------------------------------------------------------

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#!/bin/sh
cd ${0%/*} || exit 1 # Run from this directory
echo "\n<--------------------------------------------------------------------->"
echo "1) Creating particles"
echo "<--------------------------------------------------------------------->\n"
particlesPhasicFlow
echo "\n<--------------------------------------------------------------------->"
echo "2) Creating geometry"
echo "<--------------------------------------------------------------------->\n"
geometryPhasicFlow
echo "\n<--------------------------------------------------------------------->"
echo "3) Running the case"
echo "<--------------------------------------------------------------------->\n"
sphereGranFlow
#------------------------------------------------------------------------------

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/* -------------------------------*- C++ -*--------------------------------- *\
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName geometryDict;
objectType dictionary;
// motion model: all surfaces are fixed
motionModel rotatingAxisMotion;
surfaces
{
Shell
{
type stlWall; // type of the wall
file shell.stl; // file name in stl folder
material wallMat; // material name of this wall
motion rotAxis; // motion component name
}
/*
This is a plane wall at the rear end of cylinder
*/
wall1
{
type planeWall; // type of the wall
p1 (-0.4 0.10 0.0); // first point of the wall
p2 ( 0.0 0.10 0.0); // second point
p3 ( 0.0 0.35 0.0); // third point
p4 (-0.4 0.35 0.0); // fourth point
material wallMat; // material name of the wall
motion rotAxis; // motion component name
}
/*
This is a plane wall at the front end of cylinder
*/
wall2
{
type planeWall; // type of the wall
p1 (-0.4 0.10 0.1); // first point of the wall
p2 ( 0.0 0.10 0.1); // second point
p3 ( 0.0 0.35 0.1); // third point
p4 (-0.4 0.35 0.1); // fourth point
material wallMat; // material name of the wall
motion rotAxis; // motion component name
}
}
// information for rotatingAxisMotion motion model
rotatingAxisMotionInfo
{
rotAxis
{
p1 (-0.1974 0.2269 0); // first point for the axis of rotation
p2 (-0.1974 0.2269 0.1); // second point for the axis of rotation
omega 2.38733; // rotation speed (rad/s) => 15 rpm
startTime 2;
endTime 9.5;
}
}

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/* -------------------------------*- C++ -*--------------------------------- *\
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName particlesDict;
objectType dictionary;
setFields
{
defaultValue
{
velocity realx3 (0 0 0); // linear velocity (m/s)
acceleration realx3 (0 0 0); // linear acceleration (m/s2)
rotVelocity realx3 (0 0 0); // rotational velocity (rad/s)
shapeName word lightSphere; // name of the particle shape
}
selectors
{}
}
// positions particles
positionParticles
{
method empty; // creates the required fields with zero particles (empty).
maxNumberOfParticles 50000; // maximum number of particles in the simulation
mortonSorting Yes; // perform initial sorting based on morton code?
}

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/* -------------------------------*- C++ -*--------------------------------- *\
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName settingsDict;
objectType dictionary;;
run layerdSiloFilling;
dt 0.00001; // time step for integration (s)
startTime 0; // start time for simulation
endTime 10; // end time for simulation
saveInterval 0.05; // time interval for saving the simulation
timePrecision 6; // maximum number of digits for time folder
g (0 -9.8 0); // gravity vector (m/s2)
/*
Simulation domain
every particles that goes outside this domain is deleted.
*/
domain
{
min (-0.328 0.095 -0.025);
max (-0.068 0.355 0.125);
}
integrationMethod AdamsBashforth3; // integration method
timersReport Yes; // report timers?
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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