updated V1.0 V-blender
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@ -6,70 +6,49 @@ objectName interaction;
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objectType dicrionary;
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fileFormat ASCII;
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/*---------------------------------------------------------------------------*/
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materials (wallMat lightMat); // a list of materials names
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// a list of materials names
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materials (wallMat lightMat);
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// density of materials [kg/m3]
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densities (1000 1000);
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densities (1000 1000); // density of materials [kg/m3]
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contactListType sortedContactList;
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contactSearch
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{
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method NBS; // method for broad search
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updateInterval 10;
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sizeRatio 1.1;
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cellExtent 0.55;
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adjustableBox Yes;
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}
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model
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{
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contactForceModel nonLinearNonLimited;
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rollingFrictionModel normal;
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// Young modulus [Pa]
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Yeff (1.0e6 1.0e6
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1.0e6);
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1.0e6); // Young modulus [Pa]
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// Shear modulus [Pa]
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Geff (0.8e6 0.8e6
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0.8e6);
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0.8e6); // Shear modulus [Pa]
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// Poisson's ratio [-]
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nu (0.25 0.25
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0.25);
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0.25); // Poisson's ratio [-]
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// coefficient of normal restitution
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en (0.97 0.85
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0.97);
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0.97); // coefficient of normal restitution
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// dynamic friction
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mu (0.65 0.35
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0.65);
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0.65); // dynamic friction
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// rolling friction
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mur (0.1 0.1
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0.1);
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0.1); // rolling friction
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}
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contactSearch
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{
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// method for broad search particle-particle
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method NBS;
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// method for broad search particle-wall
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wallMapping cellMapping;
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NBSInfo
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{
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// each 20 timesteps, update neighbor list
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updateFrequency 20;
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// bounding box size to particle diameter (max)
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sizeRatio 1.1;
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}
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cellMappingInfo
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{
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// each 20 timesteps, update neighbor list
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updateFrequency 20;
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// bounding box for particle-wall search (> 0.5)
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cellExtent 0.7;
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}
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}
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@ -6,97 +6,86 @@ objectName particleInsertion;
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objectType dicrionary;
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fileFormat ASCII;
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/*---------------------------------------------------------------------------*/
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active Yes; // is insertion active -> Yes or No
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// is insertion active?
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active yes;
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// not implemented for yes
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collisionCheck No;
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checkForCollision No; // is checked -> Yes or No
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/*
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two layers of particles are packed one-by-one using tho insertion steps.
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Two layers of particles are packed one-by-one using tho insertion steps
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*/
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rightregion
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{
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// type of insertion region
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type cylinderRegion;
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timeControl simulationTime;
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// insertion rate (particles/s)
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rate 10000;
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regionType cylinder; // type of insertion region
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// start time of small particles insertion (s)
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startTime 0.0;
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rate 10000; // Particles Insertion Rate (particles/s)
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// end time of small particles insertion (s)
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endTime 1;
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startTime 0.0; // start time of small particles insertion (s)
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// time interval of small particles insertion (s)
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interval 0.025;
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endTime 1; // end time of small particles insertion (s)
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cylinderRegionInfo
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insertionInterval 0.025; // time interval of small particles insertion (s)
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cylinderInfo
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{
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// radius of cylinder (m)
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radius 0.1;
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/* coordinates of center of both ends of the insertion
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cylinder on the right side of the V-blender (m,m,m) */
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// coordinates of center of both ends of the insertion cylinder on
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// the right side of the V-blender (m,m,m)
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p1 (0.0950615 0.12 0.5011585);
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p2 (0.1150615 0.12 0.4811585);
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radius 0.1; // radius of cylinder (m)
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}
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setFields
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{
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// initial velocity of inserted particles
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velocity realx3 (1.2 0.0 -1.2);
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velocity realx3 (1.2 0.0 -1.2); // initial velocity of inserted particles
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}
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mixture
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{
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// first layer of inserted particles
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smallSphere 1;
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smallSphere 1; // first layer of inserted particles
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}
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}
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leftregion
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{
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// type of insertion region
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type cylinderRegion;
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timeControl simulationTime;
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// insertion rate (particles/s)
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rate 10000;
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regionType cylinder; // type of insertion region
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// start time of large particles insertion (s)
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startTime 1.5;
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rate 10000; // Particles Insertion Rate (particles/s)
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// end time of large particles insertion (s)
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endTime 2.5;
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startTime 1.5; // start time of large particles insertion (s)
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// time interval of large particles insertion (s)
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interval 0.025;
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endTime 2.5; // end time of large particles insertion (s)
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cylinderRegionInfo
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insertionInterval 0.025; // time interval of large particles insertion (s)
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cylinderInfo
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{
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// radius of cylinder (m)
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radius 0.1;
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/* coordinates of center of both ends of the insertion
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cylinder on the left side of the V-blender (m,m,m) */
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// coordinates of center of both ends of the insertion cylinder on
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// the left side of the V-blender (m,m,m)
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p1 ( 0.7562545 0.12 0.50079);
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p2 ( 0.7362545 0.12 0.48079);
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radius 0.1; // radius of cylinder (m)
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}
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setFields
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{
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// initial velocity of inserted particles
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velocity realx3 (-1.2 0.0 -1.2);
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velocity realx3 (-1.2 0.0 -1.2); // initial velocity of inserted particles
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}
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mixture
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{
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// second layer of inserted particles
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largeSphere 1;
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largeSphere 1; // second layer of inserted particles
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}
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}
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@ -6,12 +6,8 @@ objectName sphereDict;
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objectType sphereShape;
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fileFormat ASCII;
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/*---------------------------------------------------------------------------*/
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names (smallSphere largeSphere); // names of particles
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// names of particles
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names (smallSphere largeSphere);
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diameters (0.01 0.0101); // diameter of particles
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// diameter of particles
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diameters (0.01 0.0101);
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// material names for particles
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materials (lightMat lightMat);
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materials (lightMat lightMat); // material names for particles
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@ -0,0 +1,64 @@
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/* -------------------------------*- C++ -*--------------------------------- *\
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| phasicFlow File |
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| copyright: www.cemf.ir |
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\* ------------------------------------------------------------------------- */
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objectName domainDict;
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objectType dictionary;
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fileFormat ASCII;
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/*---------------------------------------------------------------------------*/
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globalBox // Simulation domain: every particles that goes outside this domain will be deleted
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{
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min (-0.1 -0.4 0); // lower corner point of the box
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max (0.86 0.6 0.6); // upper corner point of the box
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}
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decomposition
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{
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direction z;
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}
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boundaries
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{
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neighborListUpdateInterval 50; /* Determines how often (how many iterations) do you want to
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rebuild the list of particles in the neighbor list
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of all boundaries in the simulation domain */
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updateInterval 10; // Determines how often do you want to update the new changes in the boundary
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neighborLength 0.004; // The distance from the boundary plane within which particles are marked to be in the boundary list
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left
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{
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type exit; // other options: periodic, reflective
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}
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right
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{
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type exit; // other options: periodict, reflective
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}
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bottom
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{
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type exit; // other options: periodict, reflective
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}
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top
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{
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type exit; // other options: periodict, reflective
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}
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rear
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{
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type exit; // other options: periodict, reflective
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}
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front
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{
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type exit; // other options: periodict, reflective
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}
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}
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@ -6,49 +6,37 @@ objectName geometryDict;
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objectType dictionary;
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fileFormat ASCII;
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/*---------------------------------------------------------------------------*/
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motionModel rotatingAxis; // motion model: rotating object around an axis
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// motion model: rotating object around an axis
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motionModel rotatingAxisMotion;
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surfaces
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{
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body
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{
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// type of the wall
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type stlWall;
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// file name in stl folder
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file body.stl;
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// material name of this wall
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material wallMat;
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// motion component name
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motion rotAxis;
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}
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}
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// information for rotatingAxisMotion motion model
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rotatingAxisMotionInfo
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rotatingAxisInfo // information for rotatingAxis motion model
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{
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rotAxis
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{
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// first point for the axis of rotation
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p1 (0.128228 0.116446 0.297901);
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p1 (0.128228 0.116446 0.297901); // first point for the axis of rotation
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// second point for the axis of rotation
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p2 (0.722596 0.116459 0.297901);
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p2 (0.722596 0.116459 0.297901); // second point for the axis of rotation
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// rotation speed (rad/s)
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omega 3.14;
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omega 3.14; // rotation speed (rad/s)
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// start time of rotation
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startTime 3;
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startTime 3; // start time of rotation
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// end time of rotation
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endTime 10;
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endTime 10; // end time of rotation
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}
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}
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surfaces
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{
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body
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{
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type stlWall; // type of the wall
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file body.stl; // file name in stl folder
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material wallMat; // material name of this wall
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motion otAxis; // motion component name
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}
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}
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@ -6,43 +6,74 @@ objectName particlesDict;
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objectType dictionary;
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fileFormat ASCII;
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/*---------------------------------------------------------------------------*/
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setFields
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{
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/*
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Default value for fields defined for particles
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These fields should always be defined for simulations with
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spherical particles.
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*/
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defaultValue
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{
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// linear velocity (m/s)
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velocity realx3 (0 0 0);
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velocity realx3 (0 0 0); // linear velocity (m/s)
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// linear acceleration (m/s2)
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acceleration realx3 (0 0 0);
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acceleration realx3 (0 0 0); // linear acceleration (m/s2)
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// rotational velocity (rad/s)
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rVelocity realx3 (0 0 0);
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rVelocity realx3 (0 0 0); // rotational velocity (rad/s)
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// name of the particle shape
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shapeName word smallSphere;
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shapeName word smallSphere; // name of the particle shape
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}
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selectors
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{}
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}
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// positions particles
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positionParticles
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{
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// no particle is initially in the simulation
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method empty;
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shapeAssigne
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{
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selector stridedRange; // other options: box, cylinder, sphere, randomPoints
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// maximum number of particles in the simulation
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maxNumberOfParticles 25000;
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stridedRangeInfo
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{
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begin 0; // begin index of points
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// perform initial sorting based on morton code?
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mortonSorting Yes;
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end 24000; // end index of points
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stride 3; // stride for selector
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}
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fieldValue // fields that the selector is applied to
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{
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shapeName word sphere1; // sets shapeName of the selected points to largeSphere
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}
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}
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}
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}
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positionParticles // positions particles
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{
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method ordered; // ordered positioning
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mortonSorting Yes; // perform initial sorting based on morton code?
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orderedInfo
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{
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diameter 0.0101; // minimum space between centers of particles
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numPoints 25000; // number of particles in the simulation
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axisOrder (x y z); // axis order for filling the space with particles
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}
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regionType cylinder; // other options: cylinder and sphere
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cylinderInfo // cylinder for positioning particles
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{
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p1 (0.0 0.0 0.09); // Coordinates of bottom cylinderRegion (m,m,m)
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p2 (0.0 0.0 0.21); // Coordinates of top cylinderRegion (m,m,m)
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radius 0.09; // radius of cylinder
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}
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}
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@ -6,45 +6,29 @@ objectName settingsDict;
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objectType dictionary;
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fileFormat ASCII;
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/*---------------------------------------------------------------------------*/
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run rotatingVblender;
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// time step for integration (s)
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dt 0.00001;
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dt 0.00001; // time step for integration (s)
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// start time for simulation
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startTime 0;
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startTime 0; // start time for simulation
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// end time for simulation
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endTime 10;
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endTime 10; // end time for simulation
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// time interval for saving the simulation
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saveInterval 0.05;
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saveInterval 0.05; // time interval for saving the simulation
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// maximum number of digits for time folder
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timePrecision 6;
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timePrecision 6; // maximum number of digits for time folder
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// gravity vector (m/s2)
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g (0 0 -9.8);
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g (0 0 -9.8); // gravity vector (m/s2)
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/*
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Simulation domain
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every particles that goes outside this domain is deleted.
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*/
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includeObjects (diameter); // save necessary (i.e., required) data on disk
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domain
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{
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min (-0.1 -0.4 0);
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max (0.86 0.6 0.6);
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}
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// exclude unnecessary data from saving on disk
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excludeObjects (rVelocity.dy1 pStructPosition.dy1 pStructVelocity.dy1);
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// integration method
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integrationMethod AdamsBashforth2;
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integrationMethod AdamsBashforth2; // integration method
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writeFormat ascii;
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writeFormat ascii; // data writting format (ascii or binary)
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// report timers?
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timersReport Yes;
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timersReport Yes; // report timers (Yes or No)
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// time interval for reporting timers
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timersReportInterval 0.01;
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timersReportInterval 0.01; // time interval for reporting timers
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