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;
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
{
contactForceModel nonLinearNonLimited;
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;
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;
fileFormat ASCII;
/*---------------------------------------------------------------------------*/
names (smallSphere largeSphere); // names of shapes
names (smallSphere largeSphere); // names of shapes
diameters (0.003 0.005); // diameter of shapes
materials (prop1 prop1); // material names for 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;
fileFormat ASCII;
/*---------------------------------------------------------------------------*/
motionModel rotatingAxis; // motion model can be rotatingAxis or stationary or vibrating
// 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)
}
}
surfaces
{
/*
A cylinder with begin and end radii 0.12 m and axis points at (0 0 0)
and (0 0 0.1)
A cylinder with begin and end radii 0.12 m and axis points at (0 0 0) and (0 0 0.1)
*/
cylinder
{
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
radius1 0.12; // radius at p1
radius2 0.12; // radius at p2
resolution 24; // number of divisions
material prop1; // material name of this wall
motion rotAxis; // motion component name
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
radius1 0.12; // radius at p1
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
{
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
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
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 of the wall
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
{
type planeWall;
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;
type planeWall; // type of the wall
p1 (-0.12 -0.12 0.1); // first point of the wall
p2 ( 0.12 -0.12 0.1); // second point of the wall
p3 ( 0.12 0.12 0.1); // third point of the wall
p4 (-0.12 0.12 0.1); // fourth point of the wall
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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@ -6,64 +6,73 @@ objectName particlesDict;
objectType dictionary;
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
{
/*
Default value for fields defined for particles
These fields should always be defined for simulations with
spherical particles.*/
Default value for fields defined for particles
These fields should always be defined for simulations with
spherical particles.
*/
defaultValue
{
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)
shapeName word smallSphere; // name of the particle shape
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)
shapeName word smallSphere; // name of the particle shape
}
selectors
{
shapeAssigne
{
selector selectRange; // type of point selector
selectRangeInfo
selector stridedRange; // type of point selector
stridedRangeInfo
{
begin 0; // begin index of points
end 30000; // end index of points
stride 3; // stride for selector
begin 0; // begin index of points
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
{
/*
sets shapeName of the selected points to largeSphere*/
shapeName word largeSphere;
shapeName word largeSphere; // sets shapeName of the selected points to 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;
fileFormat ASCII;
/*---------------------------------------------------------------------------*/
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
every particles that goes outside this domain is deleted.
Simulation domain 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