Tutorial binarySystemOfParticles are modified based on version 1.x

This commit is contained in:
Ramin Khodabandeh 2024-05-19 20:50:00 +04:30
parent 8eba161d62
commit 888343c655
9 changed files with 224 additions and 134 deletions

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@ -6,49 +6,47 @@ objectName interaction;
objectType dicrionary; objectType dicrionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
materials (prop1); // a list of materials names
densities (1000.0); // density of materials [kg/m3]
materials (prop1); // a list of materials names
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; rollingFrictionModel normal;
Yeff (1.0e6); // Young modulus [Pa] // Property (solid-solid Properties)
Geff (0.8e6); // Shear modulus [Pa] Yeff (1.0e6); // Young modulus [Pa]
nu (0.25); // Poisson's ratio [-] Geff (0.8e6); // Shear modulus [Pa]
en (0.7); // coefficient of normal restitution nu (0.25); // Poisson's ratio [-]
et (1.0); // coefficient of tangential restitution en (0.7); // coefficient of normal restitution
mu (0.3); // dynamic friction et (1.0); // coefficient of tangential restitution
mur (0.1); // rolling friction mu (0.3); // dynamic friction
mur (0.1); // rolling friction
} }
contactSearch
{
method multiGridNBS; // method for broad search particle-particle
wallMapping multiGridMapping; // method for broad search particle-wall
multiGridNBSInfo
{
updateFrequency 10; // each 10 timesteps, update neighbor list
sizeRatio 1.1; // bounding box size to particle diameter (max)
}
multiGridMappingInfo
{
updateFrequency 10; // each 10 timesteps, update neighbor list
cellExtent 0.6; // bounding box for particle-wall search (> 0.5)
}
}

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@ -6,10 +6,9 @@ objectName particleInsertion;
objectType dicrionary; objectType dicrionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
active No; // is insertion active -> yes or no
collisionCheck No; // is checked -> yes or no
active no; // is insertion active?
collisionCheck No; // not implemented for yes

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@ -6,7 +6,9 @@ objectName sphereDict;
objectType sphereShape; objectType sphereShape;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
names (smallSphere largeSphere); // names of shapes
diameters (0.003 0.005); // diameter of shapes
materials (prop1 prop1); // material names for shapes
names (smallSphere largeSphere); // names of shapes
diameters (0.003 0.005); // diameter of shapes
materials (prop1 prop1); // material names for shapes

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@ -0,0 +1,65 @@
/* -------------------------------*- C++ -*--------------------------------- *\
| phasicFlow File |
| copyright: www.cemf.ir |
\* ------------------------------------------------------------------------- */
objectName domainDict;
objectType dictionary;
fileFormat ASCII;
/*---------------------------------------------------------------------------*/
globalBox
{
min (-0.12 -0.12 0);
max (0.12 0.12 0.1);
}
decomposition
{
direction z;
}
boundaries
{
// 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;
// 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;
}
bottom
{
type exit;
}
top
{
type exit;
}
rear
{
type exit;
}
front
{
type exit;
}
}

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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; // type of the wall
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; // 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 of the wall
material prop1; // material name of the wall
motion rotAxis; // motion component name p3 ( 0.12 0.12 0.0); // third point of the wall
p4 (-0.12 0.12 0.0); // fourth point of the wall
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; // type of the wall
p1 (-0.12 -0.12 0.1);
p2 ( 0.12 -0.12 0.1);
p3 ( 0.12 0.12 0.1);
p4 (-0.12 0.12 0.1);
material prop1;
motion rotAxis;
}
p1 (-0.12 -0.12 0.1); // first point of the wall
} p2 ( 0.12 -0.12 0.1); // second point of the wall
// information for rotatingAxisMotion motion model p3 ( 0.12 0.12 0.1); // third point of the wall
rotatingAxisMotionInfo
{ p4 (-0.12 0.12 0.1); // fourth point of the wall
rotAxis
{ material prop1; // material name of the wall
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 motion rotAxis; // motion component name
omega 1.214; // rotation speed (rad/s)
} }
} }

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@ -6,64 +6,73 @@ objectName particlesDict;
objectType dictionary; objectType dictionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
// positions particles
positionParticles
{
method positionOrdered; // ordered positioning
maxNumberOfParticles 30001; // maximum number of particles in the simulation
mortonSorting Yes; // perform initial sorting based on morton code?
cylinder // cylinder region for positioning particles
{
p1 (0.0 0.0 0.003); // begin point of cylinder axis
p2 (0.0 0.0 0.097); // end point of cylinder axis
radius 0.117; // radius of cylinder
}
positionOrderedInfo
{
diameter 0.005; // minimum space between centers of particles
numPoints 30000; // number of particles in the simulation
axisOrder (z x y); // axis order for filling the space with particles
}
}
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 smallSphere; // name of the particle shape
rVelocity realx3 (0 0 0); // rotational velocity (rad/s)
shapeName word smallSphere; // name of the particle shape
} }
selectors selectors
{ {
shapeAssigne shapeAssigne
{ {
selector selectRange; // type of point selector selector stridedRange; // type of point selector
selectRangeInfo
stridedRangeInfo
{ {
begin 0; // begin index of points begin 0; // begin index of points
end 30000; // end index of points
stride 3; // stride for selector end 30000; // end index of points
stride 3; // stride for selector
} }
fieldValue // fields that the selector is applied to
fieldValue // fields that the selector is applied to
{ {
/* shapeName word largeSphere; // sets shapeName of the selected points to largeSphere
sets shapeName of the selected points to largeSphere*/
shapeName word largeSphere;
} }
} }
} }
} }
positionParticles // positions particles
{
method ordered; // can be ordered or random or empty
orderedInfo
{
diameter 0.005; // diameter of particles
numPoints 30000; // number of particles in the simulation
axisOrder (z x y); // axis order for filling the space with particles
}
maxNumberOfParticles 30001; // maximum number of particles in the simulation
regionType cylinder; // can be box or cylinder or sphere
cylinderInfo // cylinder region for positioning particles
{
p1 (0.0 0.0 0.003); // begin point of cylinder axis
p2 (0.0 0.0 0.097); // end point of cylinder axis
radius 0.117; // radius of cylinder
}
}

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@ -6,36 +6,33 @@ objectName settingsDict;
objectType dictionary; objectType dictionary;
fileFormat ASCII; fileFormat ASCII;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
run binarySystemofParticles; run binarySystemofParticles;
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 0.1);
}
integrationMethod AdamsBashforth2; // integration method // save necessary (i.e., required) data on disk
includeObjects (diameter);
// exclude unnecessary data from saving on disk
excludeObjects (rVelocity.dy1 pStructPosition.dy1 pStructVelocity.dy1);
writeFormat ascii; integrationMethod AdamsBashforth2; // integration method
timersReport Yes; // report timers? writeFormat ascii; // data writting format (ascii or binary)
timersReportInterval 0.01; // time interval for reporting timers timersReport Yes; // report timers
timersReportInterval 0.01; // time interval for reporting timers