layeredSiloFilling tutorial is updated for phasicFlow version 1.x.

This commit is contained in:
Ramin Khodabandeh 2024-05-21 19:43:58 +04:30
parent afa790b04d
commit 5e56671c05
9 changed files with 198 additions and 205 deletions

View File

@ -6,15 +6,29 @@ objectName interaction;
objectType dicrionary; objectType dicrionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
materials (lightMat heavyMat wallMat); // a list of materials names
materials (lightMat heavyMat wallMat); // a list of materials names densities (1000 1500.0 2500); // density of materials [kg/m3]
densities (1000 1500.0 2500); // density of materials [kg/m3]
contactListType sortedContactList; contactListType sortedContactList;
contactSearch
{
method NBS; // method for broad search particle-particle
updateInterval 10;
sizeRatio 1.1;
cellExtent 0.55;
adjustableBox Yes;
}
model model
{ {
contactForceModel nonLinearLimited; contactForceModel nonLinearLimited;
rollingFrictionModel normal; rollingFrictionModel normal;
/* /*
@ -23,51 +37,33 @@ model
wallMat-wallMat ); wallMat-wallMat );
*/ */
Yeff (1.0e6 1.0e6 1.0e6 // Young modulus [Pa] Yeff (1.0e6 1.0e6 1.0e6 // Young modulus [Pa]
1.0e6 1.0e6 1.0e6 1.0e6
1.0e6); 1.0e6);
Geff (0.8e6 0.8e6 0.8e6 // Shear modulus [Pa] Geff (0.8e6 0.8e6 0.8e6 // Shear modulus [Pa]
0.8e6 0.8e6 0.8e6 0.8e6
0.8e6); 0.8e6);
nu (0.25 0.25 0.25 // Poisson's ratio [-] nu (0.25 0.25 0.25 // Poisson's ratio [-]
0.25 0.25 0.25 0.25
0.25); 0.25);
en (0.97 0.97 0.85 // coefficient of normal restitution en (0.97 0.97 0.85 // coefficient of normal restitution
0.97 0.85 0.97 0.85
1.00); 1.00);
et (1.0 1.0 1.0 // coefficient of tangential restitution et (1.0 1.0 1.0 // coefficient of tangential restitution
1.0 1.0 1.0 1.0
1.0); 1.0);
mu (0.65 0.65 0.35 // dynamic friction mu (0.65 0.65 0.35 // dynamic friction
0.65 0.35 0.65 0.35
0.35); 0.35);
mur (0.1 0.1 0.1 // rolling friction mur (0.1 0.1 0.1 // rolling friction
0.1 0.1 0.1 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)
}
}

View File

@ -6,147 +6,47 @@ objectName particleInsertion;
objectType dicrionary; objectType dicrionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
active yes; // is insertion active -> yes or no
active yes; // is insertion active? checkForCollision No; // is checked -> yes or no
collisionCheck No; // not implemented for yes
/* /*
five layers of particles are packed one-by-one using 5 insertion steps. one layers of particles are packed
*/ */
layer0 layer0
{ {
type cylinderRegion; // type of insertion region timeControl simulationTime;
rate 15000; // insertion rate (particles/s)
startTime 0; // (s)
endTime 0.5; // (s)
interval 0.025; //s
cylinderRegionInfo regionType cylinder; // type of insertion region
rate 15000; // insertion rate (particles/s)
startTime 0; // (s)
endTime 0.5; // (s)
insertionInterval 0.025; // s
cylinderInfo
{ {
radius 0.09; // radius of cylinder (m) radius 0.09; // radius of cylinder (m)
p1 ( 0.0 0.0 0.1 ); // (m,m,m)
p2 ( 0.0 0.0 0.11); // (m,m,m) p1 ( 0.0 0.0 0.1 ); // (m,m,m)
p2 ( 0.0 0.0 0.11); // (m,m,m)
} }
setFields setFields
{ {
velocity realx3 (0.0 0.0 -0.6); // initial velocity of inserted particles velocity realx3 (0.0 0.0 -0.6); // initial velocity of inserted particles
} }
mixture mixture
{ {
lightSphere 1; // mixture composition of inserted particles lightSphere 1; // mixture composition of inserted particles
} }
} }
layer1
{
type cylinderRegion;
rate 15000; // (particles/s)
startTime 0.7; // (s)
endTime 1.2; // (s)
interval 0.025; //s
cylinderRegionInfo
{
radius 0.09;
p1 ( 0.0 0.0 0.16 ); // (m,m,m)
p2 ( 0.0 0.0 0.17); // (m,m,m)
}
setFields
{
velocity realx3 (0.0 0.0 -0.6);
}
mixture
{
heavySphere 1; // only heavySphere
}
}
layer2
{
type cylinderRegion;
rate 15000; // (particles/s)
startTime 1.4; // (s)
endTime 1.9; // (s)
interval 0.025; //s
cylinderRegionInfo
{
radius 0.09;
p1 ( 0.0 0.0 0.2 ); // (m,m,m)
p2 ( 0.0 0.0 0.21); // (m,m,m)
}
setFields
{
velocity realx3 (0.0 0.0 -0.6);
}
mixture
{
lightSphere 1; // only lightSphere
}
}
layer3
{
type cylinderRegion;
rate 15000; // (particles/s)
startTime 2.1; // (s)
endTime 2.6; // (s)
interval 0.025; //s
cylinderRegionInfo
{
radius 0.09;
p1 ( 0.0 0.0 0.28 ); // (m,m,m)
p2 ( 0.0 0.0 0.29); // (m,m,m)
}
setFields
{
velocity realx3 (0.0 0.0 -0.6);
}
mixture
{
heavySphere 1;
}
}
layer4
{
type cylinderRegion;
rate 15000; // (particles/s)
startTime 2.8; // (s)
endTime 3.3; // (s)
interval 0.025; //s
cylinderRegionInfo
{
radius 0.09;
p1 ( 0.0 0.0 0.37 ); // (m,m,m)
p2 ( 0.0 0.0 0.38); // (m,m,m)
}
setFields
{
velocity realx3 (0.0 0.0 -0.6);
}
mixture
{
lightSphere 1;
}
}

View File

@ -0,0 +1,13 @@
/* -------------------------------*- C++ -*--------------------------------- *\
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName sphereDict;
objectType sphereShape;
fileFormat ASCII;
/*---------------------------------------------------------------------------*/
names (lightSphere heavySphere); // names of shapes
diameters (0.007 0.007); // diameter of shapes
materials (lightMat heavyMat); // material names for shapes

View File

View File

View File

@ -0,0 +1,58 @@
/* -------------------------------*- C++ -*--------------------------------- *\
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName domainDict;
objectType dictionary;
fileFormat ASCII;
/*---------------------------------------------------------------------------*/
globalBox // Simulation domain: every particles that goes outside this domain will be deleted
{
min (-0.11 -0.11 -0.11);
max ( 0.11 0.11 0.41);
}
boundaries
{
// Determines how often (how many iterations) do you want to
// rebuild the list of particles in the neighbor list
// of all boundaries in the simulation domain
neighborListUpdateInterval 30;
// Determines how often do you want to update the new changes in the boundary
updateInterval 10;
// The distance from the boundary plane within which particles are marked to be in the boundary list
neighborLength 0.004;
left
{
type exit; // other options: periodict, reflective
}
right
{
type exit; // other options: periodict, reflective
}
bottom
{
type exit; // other options: periodict, reflective
}
top
{
type exit; // other options: periodict, reflective
}
rear
{
type exit; // other options: periodict, reflective
}
front
{
type exit; // other options: periodict, reflective
}
}

View File

@ -6,47 +6,67 @@ objectName geometryDict;
objectType dictionary; objectType dictionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
motionModel stationary; // motion model can be rotatingAxis or stationary or vibrating
// motion model: all surfaces are fixed stationaryInfo
motionModel fixedWall; {
}
surfaces surfaces
{ {
cylinderShell cylinderShell
{ {
type cylinderWall; // type of the wall type cylinderWall; // type of the wall
p1 (0.0 0.0 0.0); // begin point of cylinder axis
p2 (0.0 0.0 0.4); // end point of cylinder axis p1 (0.0 0.0 0.0); // begin point of cylinder axis
radius1 0.1; // radius at p1
radius2 0.1; // radius at p2 p2 (0.0 0.0 0.4); // end point of cylinder axis
resolution 36; // number of divisions
material wallMat; // material name of this wall radius1 0.1; // radius at p1
radius2 0.1; // radius at p2
resolution 36; // number of divisions
material wallMat; // material name of this wall
} }
coneShell coneShell
{ {
type cylinderWall; // type of the wall type cylinderWall; // type of the wall
p1 (0.0 0.0 -0.1); // begin point of cylinder axis
p2 (0.0 0.0 0.0); // end point of cylinder axis p1 (0.0 0.0 -0.1); // begin point of cylinder axis
radius1 0.02; // radius at p1
radius2 0.1; // radius at p2 p2 (0.0 0.0 0.0); // end point of cylinder axis
resolution 36; // number of divisions
material wallMat; // material name of this wall radius1 0.02; // radius at p1
radius2 0.1; // radius at p2
resolution 36; // number of divisions
material wallMat; // material name of this wall
} }
/* /*
This is a plane wall at the exit of silo This is a plane wall at the exit of silo
*/ */
exitGate exitGate
{ {
type planeWall; type planeWall; // type of the wall
p1 (-0.02 -0.02 -0.1);
p2 ( 0.02 -0.02 -0.1); p1 (-0.02 -0.02 -0.1); // first point of the wall
p3 ( 0.02 0.02 -0.1);
p4 (-0.02 0.02 -0.1); p2 ( 0.02 -0.02 -0.1); // second point of the wall
material wallMat;
p3 ( 0.02 0.02 -0.1); // third point of the wall
p4 (-0.02 0.02 -0.1); // fourth point of the wall
material wallMat; // material name of the wall
} }
} }

View File

@ -6,27 +6,39 @@ objectName particlesDict;
objectType dictionary; objectType dictionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
setFields setFields
{ {
/*
Default value for fields defined for particles
These fields should always be defined for simulations with
spherical particles.
*/
defaultValue defaultValue
{ {
velocity realx3 (0 0 0); // linear velocity (m/s) velocity realx3 (0 0 0); // linear velocity (m/s)
acceleration realx3 (0 0 0); // linear acceleration (m/s2)
rVelocity realx3 (0 0 0); // rotational velocity (rad/s) acceleration realx3 (0 0 0); // linear acceleration (m/s2)
shapeName word lightSphere; // name of the particle shape
rVelocity realx3 (0 0 0); // rotational velocity (rad/s)
shapeName word lightSphere; // name of the particle shape
} }
selectors selectors
{} {}
} }
// positions particles positionParticles // positions particles
positionParticles
{ {
method empty; // creates the required fields with zero particles (empty). method empty; // other options: ordered and random
maxNumberOfParticles 50000; // maximum number of particles in the simulation regionType box; // other options: cylinder and sphere
mortonSorting Yes; // perform initial sorting based on morton code?
boxInfo // box region for positioning particles
{
min (-0.08 -0.08 0.015); // lower corner point of the box
max ( 0.08 0.08 0.098); // upper corner point of the box
}
} }

View File

@ -6,35 +6,29 @@ objectName settingsDict;
objectType dictionary; objectType dictionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
run layerdSiloFilling; run layerdSiloFilling;
dt 0.00001; // time step for integration (s) dt 0.00001; // time step for integration (s)
startTime 0; // start time for simulation startTime 0.0; // start time for simulation
endTime 5; // end time for simulation endTime 5.0; // end time for simulation
saveInterval 0.05; // time interval for saving the simulation saveInterval 0.05; // time interval for saving the simulation
timePrecision 6; // maximum number of digits for time folder timePrecision 6; // maximum number of digits for time folder
g (0 0 -9.8); // gravity vector (m/s2) g (0 0 -9.8); // gravity vector (m/s2)
/* // save necessary (i.e., required) data on disk
Simulation domain includeObjects (diameter);
every particles that goes outside this domain is deleted. // exclude unnecessary data from saving on disk
*/ excludeObjects (rVelocity.dy1 pStructPosition.dy1 pStructVelocity.dy1);
domain
{
min (-0.1 -0.1 -0.1);
max ( 0.1 0.1 0.40);
}
integrationMethod AdamsBashforth3; // integration method integrationMethod AdamsBashforth2; // integration method
writeFormat ascii; writeFormat ascii; // data writting format (ascii or binary)
timersReport Yes; // report timers? timersReport Yes; // report timers
timersReportInterval 0.01; // time interval for reporting timers timersReportInterval 0.01; // time interval for reporting timers