updated V1.0 rotatingDrumMedium

This commit is contained in:
ramin1728 2024-12-24 18:14:19 +03:30
parent ebff41619e
commit dae2af5354
7 changed files with 247 additions and 133 deletions

View File

@ -6,60 +6,56 @@ objectName interaction;
objectType dicrionary; objectType dicrionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
materials (glassMat wallMat); // a list of materials names
materials (glassMat wallMat); // a list of materials names densities (2500.0 2500); // density of materials [kg/m3]
densities (2500.0 2500); // density of materials [kg/m3]
contactListType sortedContactList; contactListType sortedContactList;
model
{
contactForceModel nonLinearLimited;
rollingFrictionModel normal;
/*
Property (glassMat-glassMat glassMat-wallMat
wallMat-wallMat);
*/
Yeff (1.0e6 1.0e6 // Young modulus [Pa]
1.0e6);
Geff (0.8e6 0.8e6 // Shear modulus [Pa]
0.8e6);
nu (0.25 0.25 // Poisson's ratio [-]
0.25);
en (0.97 0.85 // coefficient of normal restitution
1.00);
et (1.0 1.0 // coefficient of tangential restitution
1.0);
mu (0.65 0.65 // dynamic friction
0.65);
mur (0.1 0.1 // rolling friction
0.1);
}
contactSearch contactSearch
{ {
method NBS; // method for broad search particle-particle
wallMapping cellMapping; // method for broad search particle-wall
NBSInfo method NBS; // method for broad search
{
updateFrequency 20; // each 20 timesteps, update neighbor list
sizeRatio 1.1; // bounding box size to particle diameter (max)
}
cellMappingInfo updateInterval 10;
{
updateFrequency 20; // each 20 timesteps, update neighbor list
cellExtent 0.6; // bounding box for particle-wall search (> 0.5)
}
sizeRatio 1.1;
cellExtent 0.55;
adjustableBox Yes;
} }
model
{
contactForceModel nonLinearLimited;
rollingFrictionModel normal;
/*
Property (glassMat-glassMat glassMat-wallMat
wallMat-wallMat);
*/
Yeff (1.0e6 1.0e6
1.0e6); // Young modulus [Pa]
Geff (0.8e6 0.8e6
0.8e6); // Shear modulus [Pa]
nu (0.25 0.25
0.25); // Poisson's ratio [-]
en (0.97 0.85
1.00); // coefficient of normal restitution
et (1.0 1.0
1.0); // coefficient of tangential restitution
mu (0.65 0.65
0.65); // dynamic friction
mur (0.1 0.1
0.1); // rolling friction
}

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@ -6,9 +6,7 @@ objectName particleInsertion;
objectType dicrionary; objectType dicrionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
active No; // is checked -> Yes or No
active no; // is insertion active? collisionCheck No; // is insertion active -> Yes or No
collisionCheck No; // not implemented for yes

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@ -0,0 +1,13 @@
/* -------------------------------*- C++ -*--------------------------------- *\
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName sphereDict;
objectType sphereShape;
fileFormat ASCII;
/*---------------------------------------------------------------------------*/
names (glassBead); // names of shapes
diameters (0.003); // diameter of shapes
materials (glassMat); // material names for shapes

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@ -0,0 +1,64 @@
/* -------------------------------*- 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 (-0.12 -0.12 0);
max (0.12 0.12 0.36); // upper corner point of the box
}
decomposition
{
direction z;
}
boundaries
{
neighborListUpdateInterval 50; /* 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 */
updateInterval 10; // Determines how often do you want to update the new changes in the boundary
neighborLength 0.004; // The distance from the boundary plane within which particles are marked to be in the boundary list
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
}
}

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@ -6,65 +6,87 @@ objectName geometryDict;
objectType dictionary; objectType dictionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
motionModel rotatingAxis; // motion model: rotating object around an axis
// motion model: rotating object around an axis
motionModel rotatingAxisMotion; rotatingAxisInfo // information for rotatingAxisMotion motion model
{
rotAxis
{
p1 (0.0 0.0 0.0); // first point for the axis of rotation
p2 (0.0 0.0 1.0); // second point for the axis of rotation
omega 1.214; // rotation speed (rad/s) => 11.6 rpm
}
}
surfaces surfaces
{ {
/* /*
A cylinder with begin and end radii 0.12 m and axis points at (0 0 0) A cylinder with begin and end radii 0.12 m and axis points at (0 0 0) and (0 0 0.36)
and (0 0 0.36)
*/ */
cylinder cylinder
{ {
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 0.36); // end point of cylinder axis p1 (0.0 0.0 0.0); // begin point of cylinder axis
radius1 0.12; // radius at p1
radius2 0.12; // radius at p2 p2 (0.0 0.0 0.36); // end point of cylinder axis
resolution 24; // number of divisions
material wallMat; // material name of this wall radius1 0.12; // radius at p1
motion rotAxis; // motion component name
radius2 0.12; // radius at p2
resolution 24; // number of divisions
material wallMat; // material name of this wall
motion rotAxis; // motion component name
} }
/* /*
This is a plane wall at the rear end of cylinder This is a plane wall at the rear end of cylinder
*/ */
wall1 wall1
{ {
type planeWall; // type of the wall type planeWall; // type of the wall
p1 (-0.12 -0.12 0.0); // first point of the wall
p2 ( 0.12 -0.12 0.0); // second point p1 (-0.12 -0.12 0.0); // first point of the wall
p3 ( 0.12 0.12 0.0); // third point
p4 (-0.12 0.12 0.0); // fourth point p2 ( 0.12 -0.12 0.0); // second point
material wallMat; // material name of the wall
motion rotAxis; // motion component name p3 ( 0.12 0.12 0.0); // third point
p4 (-0.12 0.12 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 This is a plane wall at the front end of cylinder
*/ */
wall2 wall2
{ {
type planeWall; type planeWall; // type of the wall
p1 (-0.12 -0.12 0.36);
p2 ( 0.12 -0.12 0.36); p1 (-0.12 -0.12 0.36); // first point of the wall
p3 ( 0.12 0.12 0.36);
p4 (-0.12 0.12 0.36); p2 ( 0.12 -0.12 0.36); // second point
material wallMat;
motion rotAxis; p3 ( 0.12 0.12 0.36); // third point
p4 (-0.12 0.12 0.36); // fourth point
material wallMat; // material name of the wall
motion rotAxis; // motion component name
} }
} }
// information for rotatingAxisMotion motion model
rotatingAxisMotionInfo
{
rotAxis
{
p1 (0.0 0.0 0.0); // first point for the axis of rotation
p2 (0.0 0.0 1.0); // second point for the axis of rotation
omega 1.214; // rotation speed (rad/s) => 11.6 rpm
}
}

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@ -6,53 +6,75 @@ objectName particlesDict;
objectType dictionary; objectType dictionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
setFields setFields
{ {
/* /*
Default value for fields defined for particles Default value for fields defined for particles
These fields should always be defined for simulations with These fields should always be defined for simulations with
spherical particles. 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 glassBead; // name of the particle shape
rVelocity realx3 (0 0 0); // rotational velocity (rad/s)
shapeName word glassBead; // name of the particle shape
} }
selectors selectors
{} {
shapeAssigne
{
selector stridedRange; // other options: box, cylinder, sphere, randomPoints
stridedRangeInfo
{
begin 0; // begin index of points
end 250000; // end index of points
stride 3; // stride for selector
}
fieldValue // fields that the selector is applied to
{
shapeName word glassBead; // sets shapeName of the selected points to largeSphere
}
}
}
} }
// positions particles positionParticles // positions particles
positionParticles
{ {
method positionOrdered; // ordered positioning method ordered; // other options: random and empty
maxNumberOfParticles 250001; // maximum number of particles in the simulation //maxNumberOfParticles 250001; // maximum number of particles in the simulation
mortonSorting Yes; // perform initial sorting based on morton code?
box // box for positioning particles //mortonSorting Yes; // perform initial sorting based on morton code?
orderedInfo
{ {
min (-0.08 -0.08 0.0); // lower corner point of the box diameter 0.003; // minimum space between centers of particles
max ( 0.08 0.08 0.36); // upper corner point of the box
numPoints 250000; // number of particles in the simulation
axisOrder (z y x); // axis order for filling the space with particles
} }
positionOrderedInfo regionType cylinder; // other options: box and sphere
cylinderInfo // cylinder information for positioning particles
{ {
diameter 0.003; // minimum space between centers of particles p1 (0.0 0.003 0.0); // begin point of cylinder axis
numPoints 250000; // number of particles in the simulation
axisOrder (z y x); // axis order for filling the space with particles p2 (0.0 0.22 0.0); // end point of cylinder axis
radius 0.117; // radius of cylinder
} }
positionRandomInfo
{
diameter 0.003; // minimum space between centers of particles
numPoints 250000; // number of particles in the simulation
maxIterations 40; // max number of contact search passes to position particles
}
} }

View File

@ -6,35 +6,34 @@ objectName settingsDict;
objectType dictionary;; objectType dictionary;;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
run rotatingDrumMedium; run rotatingDrumMedium;
dt 0.00001; // time step for integration (s) dt 0.00001; // time step for integration (s)
startTime 0; // start time for simulation startTime 0; // start time for simulation
endTime 10; // end time for simulation endTime 10; // end time for simulation
saveInterval 0.1; // time interval for saving the simulation saveInterval 0.1; // 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 -9.8 0); // gravity vector (m/s2) g (0 -9.8 0); // gravity vector (m/s2)
/* /*
Simulation domain Simulation domain
every particles that goes outside this domain is deleted. every particles that goes outside this domain is deleted.
*/ */
domain
{
min (-0.12 -0.12 0);
max (0.12 0.12 0.36);
}
integrationMethod AdamsBashforth3; // integration method includeObjects (diameter); // save necessary (i.e., required) data on disk
writeFormat binary; // exclude unnecessary data from saving on disk
excludeObjects (rVelocity.dy1 pStructPosition.dy1 pStructVelocity.dy1);
timersReport Yes; // report timers? integrationMethod AdamsBashforth2; // integration method
timersReportInterval 0.01; // time interval for reporting timers writeFormat binary; // data writting format (ascii or binary)
timersReport Yes; // report timers?
timersReportInterval 0.01; // time interval for reporting timers