release on 2012-08-01_14-14-45

This commit is contained in:
cfdem
2012-08-01 14:14:45 +02:00
parent 7e2938452b
commit 97de834b28
30 changed files with 747 additions and 65 deletions

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@ -30,7 +30,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.9
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
#pair style
pair_style gran/hertz/history 1 0 #Hertzian without cohesion
pair_style gran/hertz/history #Hertzian without cohesion
pair_coeff * *
#timestep, gravity
@ -40,11 +40,12 @@ timestep 0.00003
fix gravi all gravity 981 vector 0.0 0.0 -1.0
#walls
fix xwalls all wall/gran/hertz/history 1 0 xplane 0 1 1
#fix ywalls all wall/gran/hertz/history 1 0 yplane -1 1f 1
fix ywalls all wall/gran/hertz/history 1 0 yplane 0 1 1
fix zwalls all wall/gran/hertz/history 1 0 zplane 0 4 1
#--modified C.K. deleted z-wall
fix xwalls1 all wall/gran/hertz/history primitive type 1 xplane 0.
fix xwalls2 all wall/gran/hertz/history primitive type 1 xplane 1.
fix ywalls1 all wall/gran/hertz/history primitive type 1 yplane 0.
fix ywalls2 all wall/gran/hertz/history primitive type 1 yplane 1.
fix zwalls1 all wall/gran/hertz/history primitive type 1 zplane 0.
fix zwalls2 all wall/gran/hertz/history primitive type 1 zplane 4.
#-import mesh from cad:
#fix cad1 all mesh/gran hopperGenauerSALOME.stl 1 1.0 0. 0. 0. 0. 180. 0.

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@ -1,5 +1,5 @@
# Pour granular particles into chute container, then induce flow
echo both
atom_style granular
atom_modify map array
communicate single vel yes
@ -24,7 +24,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
#pair style
pair_style gran/hertz/history 1 0 #Hertzian without cohesion
pair_style gran/hertz/history #Hertzian without cohesion
pair_coeff * *
#timestep, gravity
@ -32,20 +32,19 @@ timestep 0.00001
fix gravi all gravity 9.81 vector 0.0 0.0 -1.0
#walls
fix zwalls all wall/gran/hertz/history 1 0 zplane 0.0 0.0553 1
fix cylwalls all wall/gran/hertz/history 1 0 zcylinder 0.01385 1
fix zwalls1 all wall/gran/hertz/history primitive type 1 zplane 0.0
fix zwalls2 all wall/gran/hertz/history primitive type 1 zplane 0.0553
fix cylwalls all wall/gran/hertz/history primitive type 1 zcylinder 0.01385 0. 0. tangential_damping off
#cfd coupling
#fix cfd all couple/cfd
#particle distributions and insertion
region bc cylinder z 0.0 0.0 0.012 0. 0.055 units box
fix pts1 all particletemplate/sphere 1 atom_type 1 density constant 200 radius constant 0.0005
fix pdd1 all particledistribution/discrete 1. 1 pts1 1.0
#particle insertion
group nve_group region reg
region bc cylinder z 0.0 0.0 0.012 0.02 0.03 units box
fix ins nve_group pour 10000 1 1 vol 0.7 100 diam uniform 0.001 0.001 dens uniform 200 200 vel uniform 0. 0. 0. 0. -1.0 region bc
fix ins all insert/pack seed 100001 distributiontemplate pdd1 vel constant 0. 0. -1. insert_every once overlapcheck yes all_in yes particles_in_region 10000 region bc
#apply nve integration to all particles that are inserted as single particles
fix integr nve_group nve/sphere
fix integr all nve/sphere
#screen output
compute 1 all erotate/sphere

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@ -28,16 +28,16 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
#pair style
pair_style gran/hertz/history 1 0 #Hertzian without cohesion
pair_style gran/hertz/history #Hertzian without cohesion
pair_coeff * *
#timestep, gravity
timestep 0.00001
fix gravi all gravity 9.81 vector 0.0 0.0 -1.0
#walls
fix zwalls all wall/gran/hertz/history 1 0 zplane 0.0 0.0553 1
fix cylwalls all wall/gran/hertz/history 1 0 zcylinder 0.01385 1
fix zwalls1 all wall/gran/hertz/history primitive type 1 zplane 0.0
fix zwalls2 all wall/gran/hertz/history primitive type 1 zplane 0.0553
fix cylwalls all wall/gran/hertz/history primitive type 1 zcylinder 0.01385 0. 0. tangential_damping off
# change the particles density
set group all density 2000
@ -47,18 +47,17 @@ fix cfd all couple/cfd couple_every 100 mpi
fix cfd2 all couple/cfd/force
#apply nve integration to all particles that are inserted as single particles
#group nve_group region reg
fix integr nve_group nve/sphere
fix integr all nve/sphere
#center of mass
compute centerOfMass all com
#compute total dragforce
#compute dragtotal all reduce sum f_dragforce[1] f_dragforce[2] f_dragforce[3]
compute dragtotal all reduce sum f_dragforce[1] f_dragforce[2] f_dragforce[3]
#screen output
compute 1 all erotate/sphere
thermo_style custom step atoms ke c_1 vol c_centerOfMass[3] #c_dragtotal[1] c_dragtotal[2] c_dragtotal[3]
thermo_style custom step atoms ke c_1 vol c_centerOfMass[3] c_dragtotal[1] c_dragtotal[2] c_dragtotal[3]
thermo 10
thermo_modify lost ignore norm no
compute_modify thermo_temp dynamic yes
@ -66,7 +65,7 @@ compute_modify thermo_temp dynamic yes
#insert the first particles so that dump is not empty
dump myDump all stl 1 post/dump_*.stl
#run 1
dump dmp all custom 5000 ../DEM/post/dump*.liggghts_restart id type type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius
dump dmp all custom 5000 ../DEM/post/dump*.liggghts_restart id type type x y z vx vy vz fx fy fz f_dragforce[1] f_dragforce[2] f_dragforce[3] radius
undump myDump
run 1

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@ -1,5 +1,5 @@
# Pour granular particles into chute container, then induce flow
echo both
atom_style granular
atom_modify map array
communicate single vel yes
@ -24,7 +24,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
#pair style
pair_style gran/hertz/history 1 0 #Hertzian without cohesion
pair_style gran/hertz/history #Hertzian without cohesion
pair_coeff * *
#timestep, gravity
@ -32,19 +32,22 @@ timestep 0.00001
fix gravi all gravity 9.81 vector 0.0 0.0 -1.0
#walls
fix zwalls all wall/gran/hertz/history 1 0 zplane 0.0 0.0553 1
fix cylwalls all wall/gran/hertz/history 1 0 zcylinder 0.01385 1
fix zwalls1 all wall/gran/hertz/history primitive type 1 zplane 0.0
fix zwalls2 all wall/gran/hertz/history primitive type 1 zplane 0.0553
fix cylwalls all wall/gran/hertz/history primitive type 1 zcylinder 0.01385 0. 0. tangential_damping off
#cfd coupling
#fix cfd all couple/cfd
#particle insertion
group nve_group region reg
region bc cylinder z 0.0 0.0 0.012 0.02 0.03 units box
fix ins nve_group pour 10000 1 1 vol 0.7 100 diam uniform 0.001 0.001 dens uniform 200 200 vel uniform 0. 0. 0. 0. -1.0 region bc
#particle distributions and insertion
region bc cylinder z 0.0 0.0 0.012 0. 0.055 units box
fix pts1 all particletemplate/sphere 1 atom_type 1 density constant 200 radius constant 0.0005
fix pdd1 all particledistribution/discrete 1. 1 pts1 1.0
fix ins all insert/pack seed 100001 distributiontemplate pdd1 vel constant 0. 0. -1. insert_every once overlapcheck yes all_in yes particles_in_region 10000 region bc
#apply nve integration to all particles that are inserted as single particles
fix integr nve_group nve/sphere
fix integr all nve/sphere
#screen output

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@ -28,7 +28,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
#pair style
pair_style gran/hertz/history 1 0 #Hertzian without cohesion
pair_style gran/hertz/history #Hertzian without cohesion
pair_coeff * *
#timestep, gravity
@ -36,8 +36,10 @@ timestep 0.00001
fix gravi all gravity 9.81 vector 0.0 0.0 -1.0
#walls
fix zwalls all wall/gran/hertz/history 1 0 zplane 0.0 0.0553 1
fix cylwalls all wall/gran/hertz/history 1 0 zcylinder 0.01385 1
#walls
fix zwalls1 all wall/gran/hertz/history primitive type 1 zplane 0.0
fix zwalls2 all wall/gran/hertz/history primitive type 1 zplane 0.0553
fix cylwalls all wall/gran/hertz/history primitive type 1 zcylinder 0.01385 0. 0. tangential_damping off
# change the particles density
set group all density 2000
@ -47,8 +49,7 @@ fix cfd all couple/cfd couple_every 100 mpi
fix cfd2 all couple/cfd/force
#apply nve integration to all particles that are inserted as single particles
#group nve_group region reg
fix integr nve_group nve/sphere
fix integr all nve/sphere
#center of mass
compute centerOfMass all com

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@ -28,7 +28,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
#pair style
pair_style gran/hertz/history 1 0 #Hertzian without cohesion
pair_style gran/hertz/history #Hertzian without cohesion
pair_coeff * *
#timestep, gravity
@ -36,8 +36,9 @@ timestep 0.00001
fix gravi all gravity 9.81 vector 0.0 0.0 -1.0
#walls
fix zwalls all wall/gran/hertz/history 1 0 zplane 0.0 0.0553 1
fix cylwalls all wall/gran/hertz/history 1 0 zcylinder 0.01385 1
fix zwalls1 all wall/gran/hertz/history primitive type 1 zplane 0.0
fix zwalls2 all wall/gran/hertz/history primitive type 1 zplane 0.0553
fix cylwalls all wall/gran/hertz/history primitive type 1 zcylinder 0.01385 0. 0. tangential_damping off
# change the particles density
set group all density 2000
@ -47,8 +48,7 @@ fix cfd all couple/cfd couple_every 100 mpi
fix cfd2 all couple/cfd/force
#apply nve integration to all particles that are inserted as single particles
#group nve_group region reg
fix integr nve_group nve/sphere
fix integr all nve/sphere
#center of mass
compute centerOfMass all com

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@ -18,3 +18,8 @@ dummyfile
dummyfile
dummyfile
dummyfile
dummyfile
dummyfile
dummyfile
dummyfile
dummyfile

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@ -27,17 +27,20 @@ fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
fix m5 all property/global characteristicVelocity scalar 2.0
#pair style
pair_style gran/hooke 1 0 #Hookean without cohesion
pair_style gran/hooke/history #Hookean without cohesion
pair_coeff * *
#timestep, gravity
timestep 0.00001
fix gravi all gravity 9.81 vector 0.0 -1.0 0.0
#walls
fix xwalls all wall/gran/hooke 1 0 xplane 0.0 0.1 1
fix ywalls all wall/gran/hooke 1 0 yplane 0 0.1 1
fix zwalls all wall/gran/hooke 1 0 zplane 0 0.01 1
#walls (liggghts 2.0)
fix xwalls1 all wall/gran/hooke/history primitive type 1 xplane 0.0
fix xwalls2 all wall/gran/hooke/history primitive type 1 xplane 0.1
fix ywalls1 all wall/gran/hooke/history primitive type 1 yplane 0.0
fix ywalls2 all wall/gran/hooke/history primitive type 1 yplane 0.1
fix zwalls1 all wall/gran/hooke/history primitive type 1 zplane 0.0
fix zwalls2 all wall/gran/hooke/history primitive type 1 zplane 0.01
#-import mesh from cad:
#fix cad1 all mesh/gran hopperGenauerSALOME.stl 1 1.0 0. 0. 0. 0. 180. 0.

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@ -38,7 +38,7 @@ meshMotionModel noMeshMotion;
regionModel allRegion;
IOModel off;
IOModel basicIO;
dataExchangeModel twoWayMPI;//twoWayFiles;//oneWayVTK;//

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@ -13,7 +13,7 @@ clc;
fprintf('\ncalc Ergun eqn:\n')
dp = 0.022; % particle diameter
phip = 1; % sphericity
epsilon = 0.41; % voidfraction
epsilon = 0.4436; % voidfraction
U = 1; % superficial velocity
L = 1; % length of bed
rhoG = 1.188; % density in kg/m

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@ -13,9 +13,6 @@ processors 1 1 2
#read the restart file
read_restart ../DEM/liggghts.restart
#region reg block 0 0.1 0 0.1 0 0.1 units box
#create_box 1 reg
neighbor 0.003 bin
neigh_modify delay 0 binsize 0.01
@ -28,7 +25,7 @@ fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
#pair style
pair_style gran/hertz/history 1 0 #Hertzian without cohesion
pair_style gran/hertz/history #Hertzian without cohesion
pair_coeff * *
#timestep, gravity
@ -36,15 +33,19 @@ timestep 0.00001
fix gravi all gravity 9.81 vector 0. 0. -1.
#walls
fix xwalls all wall/gran/hertz/history 1 0 xplane 0. 0.1 1
fix ywalls all wall/gran/hertz/history 1 0 yplane 0. 0.1 1
fix zwalls all wall/gran/hertz/history 1 0 zplane 0. 1.1 1 #temperature 283
#walls
fix xwalls1 all wall/gran/hertz/history primitive type 1 xplane 0.
fix xwalls2 all wall/gran/hertz/history primitive type 1 xplane 0.1
fix ywalls1 all wall/gran/hertz/history primitive type 1 yplane 0.
fix ywalls2 all wall/gran/hertz/history primitive type 1 yplane 0.1
fix zwalls1 all wall/gran/hertz/history primitive type 1 zplane 0.
fix zwalls2 all wall/gran/hertz/history primitive type 1 zplane 1.1
#heat transfer
fix ftco all property/global thermalConductivity peratomtype 5. # lambda in [W/(K*m)]
fix ftca all property/global thermalCapacity peratomtype 0.1 # cp in [J/(kg*K)]
fix heattransfer all heat/gran 600.
fix heattransfer all heat/gran initial_temperature 600.
#set particle temperature for the bed
run 0

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@ -0,0 +1,73 @@
#Particle packing by insertion and successive growing of particles
atom_style granular
atom_modify map array
boundary m m m
newton off
echo both
communicate single vel yes
units si
processors 1 1 2
region reg block 0. 0.1 0. 0.1 0. 1.1 units box
create_box 1 reg
neighbor 0.002 bin
neigh_modify delay 0
#Material properties required for new pair styles
fix m1 all property/global youngsModulus peratomtype 5.e6
fix m2 all property/global poissonsRatio peratomtype 0.45
fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3
fix m4 all property/global coefficientFriction peratomtypepair 1 0.5
#New pair style
pair_style gran/hertz/history #Hertzian without cohesion
pair_coeff * *
timestep 0.00001
#walls
fix xwalls1 all wall/gran/hertz/history primitive type 1 xplane 0.
fix xwalls2 all wall/gran/hertz/history primitive type 1 xplane 0.1
fix ywalls1 all wall/gran/hertz/history primitive type 1 yplane 0.
fix ywalls2 all wall/gran/hertz/history primitive type 1 yplane 0.1
fix zwalls1 all wall/gran/hertz/history primitive type 1 zplane 0.
fix zwalls2 all wall/gran/hertz/history primitive type 1 zplane 1.1
fix gravi all gravity 9.81 vector 0.0 0.0 -1.0
#heat transfer
fix ftco all property/global thermalConductivity peratomtype 5.
fix ftca all property/global thermalCapacity peratomtype 10.
fix heattransfer all heat/gran initial_temperature 263.
#particle distributions and insertion
region bc block 0. 0.1 0. 0.1 0. 1.1 units box
fix pts1 all particletemplate/sphere 1 atom_type 1 density constant 2500 radius constant 0.011
fix pdd1 all particledistribution/discrete 1. 1 pts1 1.0
fix ins all insert/pack seed 100001 distributiontemplate pdd1 vel constant 0. 0. -3. insert_every 10000 overlapcheck yes all_in yes particles_in_region 1005 region bc
#apply nve integration to all particles that are inserted as single particles
fix integr all nve/sphere
#output settings, include total thermal energy
compute 1 all erotate/sphere
thermo_style custom step atoms ke c_1 f_heattransfer vol
thermo 1000
thermo_modify lost ignore norm no
compute_modify thermo_temp dynamic yes
#insert the first particles
run 1
dump dmp all custom 1000 post/dump.packing id type type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius f_heattransfer[0] f_heatFlux[0]
run 150000
write_restart liggghts.restart