forked from lijiext/lammps
135 lines
4.8 KiB
Groff
135 lines
4.8 KiB
Groff
LAMMPS (29 Mar 2019)
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OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (../comm.cpp:88)
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using 1 OpenMP thread(s) per MPI task
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# pour two types of particles (cohesive and non-cohesive) on flat wall
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variable name string pour_two_types
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atom_style sphere
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units lj
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###############################################
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# Geometry-related parameters
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###############################################
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variable boxx equal 20
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variable boxy equal 20
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variable boxz equal 30
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variable xc1 equal 0.3*${boxx}
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variable xc1 equal 0.3*20
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variable xc2 equal 0.7*${boxx}
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variable xc2 equal 0.7*20
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variable yc equal 0.5*${boxy}
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variable yc equal 0.5*20
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###############################################
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# Particle-related parameters
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###############################################
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variable rlo equal 0.25
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variable rhi equal 0.5
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variable dlo equal 2.0*${rlo}
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variable dlo equal 2.0*0.25
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variable dhi equal 2.0*${rhi}
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variable dhi equal 2.0*0.5
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variable dens equal 1.0
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variable skin equal 0.3*${rhi}
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variable skin equal 0.3*0.5
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#############
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processors * * 1
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region boxreg block 0 ${boxx} 0 ${boxy} 0 ${boxz}
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region boxreg block 0 20 0 ${boxy} 0 ${boxz}
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region boxreg block 0 20 0 20 0 ${boxz}
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region boxreg block 0 20 0 20 0 30
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create_box 2 boxreg
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Created orthogonal box = (0 0 0) to (20 20 30)
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1 by 1 by 1 MPI processor grid
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change_box all boundary p p f
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comm_modify vel yes
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region insreg1 cylinder z ${xc1} ${yc} 5 15 ${boxz}
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region insreg1 cylinder z 6 ${yc} 5 15 ${boxz}
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region insreg1 cylinder z 6 10 5 15 ${boxz}
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region insreg1 cylinder z 6 10 5 15 30
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region insreg2 cylinder z ${xc2} ${yc} 5 15 ${boxz}
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region insreg2 cylinder z 14 ${yc} 5 15 ${boxz}
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region insreg2 cylinder z 14 10 5 15 ${boxz}
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region insreg2 cylinder z 14 10 5 15 30
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fix 1 all nve/sphere
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fix grav all gravity 10.0 vector 0 0 -1
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fix ins1 all pour 1500 1 3123 region insreg1 diam range ${dlo} ${dhi} dens ${dens} ${dens}
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fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 ${dhi} dens ${dens} ${dens}
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fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens ${dens} ${dens}
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fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens 1 ${dens}
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fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens 1 1
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Particle insertion: 562 every 346 steps, 1500 by step 693
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fix ins2 all pour 1500 2 3123 region insreg2 diam range ${dlo} ${dhi} dens ${dens} ${dens}
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fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 ${dhi} dens ${dens} ${dens}
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fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens ${dens} ${dens}
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fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens 1 ${dens}
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fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens 1 1
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Particle insertion: 562 every 346 steps, 1500 by step 693
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comm_modify vel yes
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neighbor ${skin} bin
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neighbor 0.15 bin
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neigh_modify delay 0 every 1 check yes
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pair_style granular
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pair_coeff 1 * jkr 1000.0 50.0 0.3 10 tangential mindlin 800.0 1.0 0.5 rolling sds 500.0 200.0 0.5 twisting marshall
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pair_coeff 2 2 hertz 200.0 20.0 tangential linear_history 300.0 1.0 0.1 rolling sds 200.0 100.0 0.1 twisting marshall
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fix 3 all wall/gran granular hertz/material 1e5 1e3 0.3 tangential mindlin NULL 1.0 0.5 zplane 0 NULL
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thermo_style custom step cpu atoms ke
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thermo_modify lost warn
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thermo 100
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timestep 0.001
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#dump 1 all custom 100 ${name}.dump id type radius mass x y z
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run 5000
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Neighbor list info ...
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update every 1 steps, delay 0 steps, check yes
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max neighbors/atom: 2000, page size: 100000
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master list distance cutoff = 1.15
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ghost atom cutoff = 1.15
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binsize = 0.575, bins = 35 35 53
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1 neighbor lists, perpetual/occasional/extra = 1 0 0
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(1) pair granular, perpetual
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attributes: half, newton on, size, history
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pair build: half/size/bin/newton
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stencil: half/bin/3d/newton
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bin: standard
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Per MPI rank memory allocation (min/avg/max) = 12.22 | 12.22 | 12.22 Mbytes
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Step CPU Atoms KinEng
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0 0 0 -0
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100 3.8153191 855 -0
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200 4.195287 855 -0
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300 4.5890362 855 -0
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400 10.636087 1500 -0
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500 11.306909 1500 -0
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600 11.968198 1500 -0
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700 22.631892 2288 -0
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800 23.711387 2288 -0
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900 24.754344 2288 -0
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1000 25.811778 2288 -0
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1100 35.368869 2845 -0
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1200 37.149843 2845 -0
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1300 39.026458 2845 -0
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1400 41.757583 3000 -0
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1500 45.155503 3000 -0
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1600 48.570241 3000 -0
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1700 52.839322 3000 -0
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1800 59.772697 3000 -0
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1900 69.493305 3000 -0
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2000 114.61886 3000 -0
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2100 152.89232 3000 -0
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