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updated V-blender tutorial

This commit is contained in:
Sahar Siahtiri 2023-02-07 19:28:37 +03:30
parent 868ad1e1fa
commit e48112f188
7 changed files with 1319 additions and 91 deletions
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70
tutorials/sphereGranFlow/V-blender/caseSetup/interaction
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@ -2,12 +2,15 @@
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName interaction;
objectType dicrionary;
/* ------------------------------------------------------------------------- */
materials (prop1 lightMat heavyMat); // a list of materials names
densities (1000.0 1000 1000); // density of materials [kg/m3]
// a list of materials names
materials (wallMat lightMat);
// density of materials [kg/m3]
densities (1000 1000);
contactListType sortedContactList;
@ -16,51 +19,56 @@ model
contactForceModel nonLinearNonLimited;
rollingFrictionModel normal;
Yeff (1.0e6 1.0e6 1.0e6 // Young modulus [Pa]
1.0e6 1.0e6
1.0e6);
// Young modulus [Pa]
Yeff (1.0e6 1.0e6
1.0e6);
Geff (0.8e6 0.8e6 0.8e6 // Shear modulus [Pa]
0.8e6 0.8e6
0.8e6);
// Shear modulus [Pa]
Geff (0.8e6 0.8e6
0.8e6);
nu (0.25 0.25 0.25 // Poisson's ratio [-]
0.25 0.25
0.25);
// Poisson's ratio [-]
nu (0.25 0.25
0.25);
en (0.97 0.97 0.85 // coefficient of normal restitution
0.97 0.85
1.00);
// coefficient of normal restitution
en (0.97 0.85
0.97);
et (1.0 1.0 1.0 // coefficient of tangential restitution
1.0 1.0
1.0);
// dynamic friction
mu (0.65 0.35
0.65);
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);
// rolling friction
mur (0.1 0.1
0.1);
}
contactSearch
{
method NBS; // method for broad search particle-particle
wallMapping cellMapping; // method for broad search particle-wall
// method for broad search particle-particle
method NBS;
// method for broad search particle-wall
wallMapping cellMapping;
NBSInfo
{
updateFrequency 20; // each 20 timesteps, update neighbor list
sizeRatio 1.1; // bounding box size to particle diameter (max)
// each 20 timesteps, update neighbor list
updateFrequency 20;
// bounding box size to particle diameter (max)
sizeRatio 1.1;
}
cellMappingInfo
{
updateFrequency 20; // each 20 timesteps, update neighbor list
cellExtent 0.7; // bounding box for particle-wall search (> 0.5)
// each 20 timesteps, update neighbor list
updateFrequency 20;
// bounding box for particle-wall search (> 0.5)
cellExtent 0.7;
}
}

81
tutorials/sphereGranFlow/V-blender/caseSetup/particleInsertion
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@ -2,71 +2,100 @@
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName particleInsertion;
objectType dicrionary;
/* ------------------------------------------------------------------------- */
// is insertion active?
active yes;
active yes; // is insertion active?
collisionCheck No; // not implemented for yes
// not implemented for yes
collisionCheck No;
/*
one layer of particles are packed one-by-one using tho insertion steps.
two layers of particles are packed one-by-one using tho insertion steps.
*/
layer0
rightregion
{
type cylinderRegion; // type of insertion region
rate 5000; // insertion rate (particles/s)
startTime 0.0; // (s)
endTime 1; // (s)
interval 0.025; //s
// type of insertion region
type cylinderRegion;
// insertion rate (particles/s)
rate 10000;
// start time of small particles insertion (s)
startTime 0.0;
// end time of small particles insertion (s)
endTime 1;
// time interval of small particles insertion (s)
interval 0.025;
cylinderRegionInfo
{
radius 0.1; // radius of cylinder (m)
p1 ( 0.0950615 0.12 0.5011585 ); // (m,m,m)
p2 ( 0.1150615 0.12 0.4811585); // (m,m,m)
// radius of cylinder (m)
radius 0.1;
// coordinates of center of both ends of the insertion cylinder on
// the right side of the V-blender (m,m,m)
p1 (0.0950615 0.12 0.5011585);
p2 (0.1150615 0.12 0.4811585);
}
setFields
{
velocity realx3 (1.2 0.0 -1.2); // initial velocity of inserted particles
// initial velocity of inserted particles
velocity realx3 (1.2 0.0 -1.2);
}
mixture
{
lightSphere 1; // mixture composition of inserted particles
// first layer of inserted particles
smallSphere 1;
}
}
layer1
leftregion
{
// type of insertion region
type cylinderRegion;
rate 5000; // (particles/s)
startTime 0.0; // (s)
endTime 1; // (s)
interval 0.025; //s
// insertion rate (particles/s)
rate 10000;
// start time of large particles insertion (s)
startTime 1.5;
// end time of large particles insertion (s)
endTime 2.5;
// time interval of large particles insertion (s)
interval 0.025;
cylinderRegionInfo
{
// radius of cylinder (m)
radius 0.1;
p1 ( 0.7562545 0.12 0.50079); // (m,m,m)
p2 ( 0.7362545 0.12 0.48079); // (m,m,m)
// coordinates of center of both ends of the insertion cylinder on
// the left side of the V-blender (m,m,m)
p1 ( 0.7562545 0.12 0.50079);
p2 ( 0.7362545 0.12 0.48079);
}
setFields
{
// initial velocity of inserted particles
velocity realx3 (-1.2 0.0 -1.2);
}
mixture
{
heavySphere 1; // only heavySphere
// second layer of inserted particles
largeSphere 1;
}
}

13
tutorials/sphereGranFlow/V-blender/caseSetup/sphereShape
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@ -2,10 +2,15 @@
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName sphereDict;
objectType sphereShape;
/* ------------------------------------------------------------------------- */
names (lightSphere heavySphere); // names of shapes
diameters (0.01 0.0101); // diameter of shapes
materials (lightMat heavyMat); // material names for shapes
// names of particles
names (smallSphere largeSphere);
// diameter of particles
diameters (0.01 0.0101);
// material names for particles
materials (lightMat lightMat);

36
tutorials/sphereGranFlow/V-blender/settings/geometryDict
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@ -2,9 +2,9 @@
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName geometryDict;
objectType dictionary;
/* ------------------------------------------------------------------------- */
// motion model: rotating object around an axis
motionModel rotatingAxisMotion;
@ -12,12 +12,19 @@ motionModel rotatingAxisMotion;
surfaces
{
rod
body
{
type stlWall; // type of the wall
file cone.stl; // file name in stl folder
material prop1; // material name of this wall
motion rotAxis; // motion component name
// type of the wall
type stlWall;
// file name in stl folder
file body.stl;
// material name of this wall
material wallMat;
// motion component name
motion rotAxis;
}
@ -28,10 +35,19 @@ rotatingAxisMotionInfo
{
rotAxis
{
p1 (0.128228 0.116446 0.297901); // first point for the axis of rotation
p2 (0.722596 0.116459 0.297901); // second point for the axis of rotation
omega 3.14; // rotation speed (rad/s).
startTime 1.5;
// first point for the axis of rotation
p1 (0.128228 0.116446 0.297901);
// second point for the axis of rotation
p2 (0.722596 0.116459 0.297901);
// rotation speed (rad/s)
omega 3.14;
// start time of rotation
startTime 3;
// end time of rotation
endTime 10;
}
}

27
tutorials/sphereGranFlow/V-blender/settings/particlesDict
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@ -2,9 +2,9 @@
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName particlesDict;
objectType dictionary;
/* ------------------------------------------------------------------------- */
setFields
{
@ -16,10 +16,17 @@ 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
// linear velocity (m/s)
velocity realx3 (0 0 0);
// linear acceleration (m/s2)
acceleration realx3 (0 0 0);
// rotational velocity (rad/s)
rotVelocity realx3 (0 0 0);
// name of the particle shape
shapeName word smallSphere;
}
selectors
@ -29,10 +36,12 @@ setFields
// positions particles
positionParticles
{
method empty; // ordered positioning
maxNumberOfParticles 80000; // maximum number of particles in the simulation
mortonSorting Yes; // perform initial sorting based on morton code?
// no particle is initially in the simulation
method empty;
// maximum number of particles in the simulation
maxNumberOfParticles 25000;
// perform initial sorting based on morton code?
mortonSorting Yes;
}

33
tutorials/sphereGranFlow/V-blender/settings/settingsDict
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@ -3,34 +3,45 @@
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName settingsDict;
objectType dictionary;;
objectType dictionary;
/* ------------------------------------------------------------------------- */
run rotatingDrumSmall;
run rotatingVblender;
dt 0.00001; // time step for integration (s)
// time step for integration (s)
dt 0.00001;
startTime 0; // start time for simulation
// start time for simulation
startTime 0;
endTime 10; // end time for simulation
// end time for simulation
endTime 10;
saveInterval 0.05; // time interval for saving the simulation
// time interval for saving the simulation
saveInterval 0.05;
timePrecision 6; // maximum number of digits for time folder
// maximum number of digits for time folder
timePrecision 6;
g (0 0 -9.8); // gravity vector (m/s2)
// gravity vector (m/s2)
g (0 0 -9.8);
/*
Simulation domain
every particles that goes outside this domain is deleted.
*/
domain
{
min (-0.1 -0.4 0);
max (0.86 0.6 0.6);
}
integrationMethod AdamsBashforth2; // integration method
// integration method
integrationMethod AdamsBashforth2;
timersReport Yes; // report timers?
// report timers?
timersReport Yes;
timersReportInterval 0.01; // time interval for reporting timers
// time interval for reporting timers
timersReportInterval 0.01;

1150
tutorials/sphereGranFlow/V-blender/stl/body.stl Normal file
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