rotatingDrumSmall updated.

This commit is contained in:
Ramin Khodabandeh 2024-05-28 15:55:56 +04:30
parent 688e64367f
commit a6185d1362
7 changed files with 190 additions and 126 deletions

View File

@ -6,48 +6,46 @@ objectName interaction;
objectType dicrionary; objectType dicrionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
materials (prop1); // a list of materials names
materials (prop1); // a list of materials names densities (1000.0); // density of materials [kg/m3]
densities (1000.0); // 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 nonLinearNonLimited; contactForceModel nonLinearNonLimited;
rollingFrictionModel normal;
Yeff (1.0e6); // Young modulus [Pa] rollingFrictionModel normal;
Geff (0.8e6); // Shear modulus [Pa] // Property (solid-solid Properties)
nu (0.25); // Poisson's ratio [-] Yeff (1.0e6); // Young modulus [Pa]
en (0.7); // coefficient of normal restitution Geff (0.8e6); // Shear modulus [Pa]
et (1.0); // coefficient of tangential restitution nu (0.25); // Poisson's ratio [-]
mu (0.3); // dynamic friction en (0.7); // coefficient of normal restitution
mur (0.1); // rolling friction et (1.0); // coefficient of tangential restitution
mu (0.3); // dynamic friction
mur (0.1); // rolling friction
} }
contactSearch
{
method NBS; // method for broad search particle-particle
wallMapping cellMapping; // method for broad search particle-wall
NBSInfo
{
updateFrequency 20; // each 20 timesteps, update neighbor list
sizeRatio 1.1; // bounding box size to particle diameter (max)
}
cellMappingInfo
{
updateFrequency 20; // each 20 timesteps, update neighbor list
cellExtent 0.7; // bounding box for particle-wall search (> 0.5)
}
}

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@ -1,14 +0,0 @@
/* -------------------------------*- C++ -*--------------------------------- *\
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName particleInsertion;
objectType dicrionary;
fileFormat ASCII;
/*---------------------------------------------------------------------------*/
active no; // is insertion active?
collisionCheck No; // not implemented for yes

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@ -6,7 +6,10 @@ objectName sphereDict;
objectType sphereShape; objectType sphereShape;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
names (sphere1); // names of shapes
diameters (0.004); // diameter of shapes
materials (prop1); // material names for shapes
names (sphere1); // names of shapes
diameters (0.004); // diameter of shapes
materials (prop1); // material names for shapes

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@ -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 (-0.12 -0.12 0);
max (0.12 0.12 0.11);
}
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 50;
// Determines how often do you want to update the new changes in the boundary
updateInterval 0.0001;
// 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
}
}

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@ -6,66 +6,86 @@ objectName geometryDict;
objectType dictionary; objectType dictionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
motionModel rotatingAxis; // motion model can be rotatingAxis or stationary or vibrating
// motion model: rotating object around an axis rotatingAxisInfo // information for rotatingAxisMotion motion model
motionModel rotatingAxisMotion; {
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)
}
}
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 0.1)
and (0 0 0.1)
*/ */
cylinder cylinder
{ {
type cylinderWall; // type of the wall type cylinderWall; // other options: cuboidWall and planeWall
p1 (0.0 0.0 0.0); // begin point of cylinder axis
p2 (0.0 0.0 0.1); // 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 0.1); // end point of cylinder axis
resolution 24; // number of divisions
material prop1; // 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 prop1; // 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; // other options: cuboidWall and cylinderWall
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 prop1; // 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 prop1; // 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; // other options: cuboidWall and cylinderWall
p1 (-0.12 -0.12 0.1);
p2 ( 0.12 -0.12 0.1); p1 (-0.12 -0.12 0.1); // first point of the wall
p3 ( 0.12 0.12 0.1);
p4 (-0.12 0.12 0.1); p2 ( 0.12 -0.12 0.1); // second point
material prop1;
motion rotAxis; p3 ( 0.12 0.12 0.1); // third point
p4 (-0.12 0.12 0.1); // fourth point
material prop1; // 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)
}
}

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@ -6,45 +6,49 @@ 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 sphere1; // name of the particle shape
rVelocity realx3 (0 0 0); // rotational velocity (rad/s)
shapeName word sphere1; // name of the particle shape
} }
selectors selectors
{} {}
} }
// positions particles positionParticles // positions particles
positionParticles
{ {
method positionOrdered; // ordered positioning method ordered; // can be ordered or random or empty
maxNumberOfParticles 40000; // maximum number of particles in the simulation orderedInfo
mortonSorting Yes; // perform initial sorting based on morton code?
box // box for positioning particles
{ {
min (-0.08 -0.08 0.015); // lower corner point of the box diameter 0.004; // diameter of particles
max ( 0.08 0.08 0.098); // upper corner point of the box
numPoints 30000; // number of particles in the simulation
axisOrder (z y x); // axis order for filling the space with particles
} }
positionOrderedInfo regionType box; // can be box or cylinder or sphere
boxInfo // box for positioning particles
{ {
diameter 0.004; // minimum space between centers of particles min (-0.08 -0.08 0.015); // lower corner point of the box
numPoints 30000; // number of particles in the simulation
axisOrder (z y x); // axis order for filling the space with particles max ( 0.08 0.08 0.098); // upper corner point of the box
} }
} }

View File

@ -6,35 +6,30 @@ objectName settingsDict;
objectType dictionary; objectType dictionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
run rotatingDrumSmall; run rotatingDrumSmall;
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 10; // end time for simulation endTime 10.0; // end time for simulation
saveInterval 0.1; // time interval for saving the simulation saveInterval 0.01; // 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)
/* // 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 (-0.12 -0.12 0);
max (0.12 0.12 0.11);
}
integrationMethod AdamsBashforth2; // 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