diff --git a/examples/ASPHERE/poly/in.poly b/examples/ASPHERE/poly/in.poly index 3496a774bb..8932523dbf 100644 --- a/examples/ASPHERE/poly/in.poly +++ b/examples/ASPHERE/poly/in.poly @@ -1,114 +1,115 @@ # SRD diffusion demo - poydisperse spheres -units lj -atom_style sphere -atom_modify first big -dimension 2 +units lj +atom_style sphere +atom_modify first big +dimension 2 # create big particles with 3 different types and diameters -lattice sq 0.3 -region box block 0 10 0 10 -0.5 0.5 -create_box 4 box -create_atoms 1 region box +lattice sq 0.3 +region box block 0 10 0 10 -0.5 0.5 +create_box 4 box +create_atoms 1 region box -group big type 1 -set group big type/fraction 2 0.33 394895 -set group big type/fraction 3 0.5 989894 -group big type 2 3 +group big type 1 +set group big type/fraction 2 0.33 394895 +set group big type/fraction 3 0.5 989894 +group big type 2 3 -set type 1*3 mass 1.0 -velocity big create 1.44 87287 loop geom +set type 1*3 mass 1.0 +velocity big create 1.44 87287 loop geom # equilibrate big particles, repulsive only to prevent aggregation -pair_style lj/cut 1.12 -pair_coeff 1 1 1.0 1.0 1.12 -pair_coeff 2 2 1.0 2.0 2.24 -pair_coeff 3 3 1.0 1.5 1.68 -pair_coeff 4 4 0.0 1.0 0.0 +pair_style lj/cut 1.12 +pair_coeff 1 1 1.0 1.0 1.12 +pair_coeff 2 2 1.0 2.0 2.24 +pair_coeff 3 3 1.0 1.5 1.68 +pair_coeff 4 4 0.0 1.0 0.1 -neighbor 0.3 bin -neigh_modify delay 0 every 1 check yes -fix 1 big nve -fix 2 all enforce2d +neighbor 0.3 bin +neigh_modify delay 0 every 1 check yes +neigh_modify exclude type 1 4 exclude type 2 4 exclude type 3 4 exclude type 4 4 -#dump 1 all atom 10 dump.poly.equil +fix 1 big nve +fix 2 all enforce2d -run 1000 +#dump 1 all atom 10 dump.poly.equil -#undump 1 -unfix 1 -unfix 2 +run 1000 + +#undump 1 +unfix 1 +unfix 2 # add small particles as hi density lattice -region plane block INF INF INF INF -0.001 0.001 units box -lattice sq 250.0 -create_atoms 4 region plane +region plane block INF INF INF INF -0.001 0.001 units box +lattice sq 250.0 +create_atoms 4 region plane -set type 4 mass 0.1 -group small type 4 -velocity small create 1.0 593849 loop geom +set type 4 mass 0.1 +group small type 4 +velocity small create 1.0 593849 loop geom # delete overlaps # must set *-4 cutoffs to non-zero values -pair_style lj/cut 2.5 -pair_coeff 1 1 1.0 1.0 -pair_coeff 2 2 1.0 2.0 -pair_coeff 3 3 1.0 1.5 -pair_coeff 1 4 0.0 1.0 0.5 -pair_coeff 2 4 0.0 1.0 1.0 -pair_coeff 3 4 0.0 1.0 0.75 -pair_coeff 4 4 0.0 1.0 0.0 +pair_style lj/cut 2.5 +pair_coeff 1 1 1.0 1.0 +pair_coeff 2 2 1.0 2.0 +pair_coeff 3 3 1.0 1.5 +pair_coeff 4 4 0.0 1.0 0.1 +neigh_modify exclude type 1 4 exclude type 2 4 exclude type 3 4 exclude type 4 4 -delete_atoms overlap 1.0 small big +delete_atoms overlap 1.0 small big # SRD run -reset_timestep 0 +reset_timestep 0 -neighbor 0.3 bin -neigh_modify delay 0 every 1 check yes +neighbor 0.3 bin +neigh_modify delay 0 every 1 check yes -comm_modify mode multi group big vel yes -neigh_modify include big +comm_modify mode multi group big vel yes +neigh_modify include big # no pairwise interactions with small particles -pair_style lj/cut 1.12 -pair_coeff 1 1 1.0 1.0 1.12 -pair_coeff 2 2 1.0 2.0 2.24 -pair_coeff 3 3 1.0 1.5 1.68 -pair_coeff 4 4 0.0 1.0 0.0 +pair_style lj/cut 1.12 +pair_coeff 1 1 1.0 1.0 1.12 +pair_coeff 2 2 1.0 2.0 2.24 +pair_coeff 3 3 1.0 1.5 1.68 +pair_coeff 4 4 0.0 1.0 0.1 +neigh_modify exclude type 1 4 exclude type 2 4 exclude type 3 4 exclude type 4 4 # use fix SRD to push small particles out from inside big ones # if comment out, big particles won't see SRD particles -timestep 0.001 +timestep 0.001 -fix 1 big nve -fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 & +fix 1 big nve +fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 & search 0.2 inside ignore -fix 3 all enforce2d +fix 3 all enforce2d # diagnostics -compute tbig big temp/sphere -variable pebig equal pe*atoms/count(big) -variable ebig equal etotal*atoms/count(big) -thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press & - f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] & - f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] +compute tbig big temp/sphere +variable pebig equal pe*atoms/count(big) +variable ebig equal etotal*atoms/count(big) +thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press & + f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] & + f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] -thermo_modify temp tbig -thermo 1000 +thermo_modify temp tbig +thermo 1000 -#dump 1 all atom 1000 dump.poly +#dump 1 all atom 1000 dump.poly -#dump 1 all image 1000 image.*.jpg type type zoom 1.6 -#dump_modify 1 pad 6 adiam 1 1 adiam 2 2.0 adiam 3 1.5 adiam 4 0.1 +#dump 1 all image 1000 image.*.jpg type type zoom 1.6 +#dump_modify 1 pad 6 adiam 1 1 adiam 2 2.0 adiam 3 1.5 adiam 4 0.1 -run 100000 +run 100000 diff --git a/examples/ASPHERE/poly/in.poly.mp b/examples/ASPHERE/poly/in.poly.mp index 1c6a1faee3..05ff8226e2 100644 --- a/examples/ASPHERE/poly/in.poly.mp +++ b/examples/ASPHERE/poly/in.poly.mp @@ -1,115 +1,116 @@ # SRD viscosity demo - poydisperse spheres -units lj -atom_style sphere -atom_modify first big -dimension 2 +units lj +atom_style sphere +atom_modify first big +dimension 2 # create big particles with 3 different types and diameters -lattice sq 0.3 -region box block 0 10 0 10 -0.5 0.5 -create_box 4 box -create_atoms 1 region box +lattice sq 0.3 +region box block 0 10 0 10 -0.5 0.5 +create_box 4 box +create_atoms 1 region box -group big type 1 -set group big type/fraction 2 0.33 394895 -set group big type/fraction 3 0.5 989894 -group big type 2 3 +group big type 1 +set group big type/fraction 2 0.33 394895 +set group big type/fraction 3 0.5 989894 +group big type 2 3 -set type 1*3 mass 1.0 -velocity big create 1.44 87287 loop geom +set type 1*3 mass 1.0 +velocity big create 1.44 87287 loop geom # equilibrate big particles, repulsive only to prevent aggregation -pair_style lj/cut 1.12 -pair_coeff 1 1 1.0 1.0 1.12 -pair_coeff 2 2 1.0 2.0 2.24 -pair_coeff 3 3 1.0 1.5 1.68 -pair_coeff 4 4 0.0 1.0 0.0 +pair_style lj/cut 1.12 +pair_coeff 1 1 1.0 1.0 1.12 +pair_coeff 2 2 1.0 2.0 2.24 +pair_coeff 3 3 1.0 1.5 1.68 +pair_coeff 4 4 0.0 1.0 0.1 -neighbor 0.3 bin -neigh_modify delay 0 every 1 check yes -fix 1 big nve -fix 2 all enforce2d +neighbor 0.3 bin +neigh_modify delay 0 every 1 check yes +neigh_modify exclude type 1 4 exclude type 2 4 exclude type 3 4 exclude type 4 4 -#dump 1 all atom 10 dump.poly.equil +fix 1 big nve +fix 2 all enforce2d -run 1000 +#dump 1 all atom 10 dump.poly.equil -#undump 1 -unfix 1 -unfix 2 +run 1000 + +#undump 1 +unfix 1 +unfix 2 # add small particles as hi density lattice -region plane block INF INF INF INF -0.001 0.001 units box -lattice sq 250.0 -create_atoms 4 region plane +region plane block INF INF INF INF -0.001 0.001 units box +lattice sq 250.0 +create_atoms 4 region plane -set type 4 mass 0.1 -group small type 4 -velocity small create 1.0 593849 loop geom +set type 4 mass 0.1 +group small type 4 +velocity small create 1.0 593849 loop geom # delete overlaps # must set *-4 cutoffs to non-zero values -pair_style lj/cut 2.5 -pair_coeff 1 1 1.0 1.0 -pair_coeff 2 2 1.0 2.0 -pair_coeff 3 3 1.0 1.5 -pair_coeff 1 4 0.0 1.0 0.5 -pair_coeff 2 4 0.0 1.0 1.0 -pair_coeff 3 4 0.0 1.0 0.75 -pair_coeff 4 4 0.0 1.0 0.0 +pair_style lj/cut 2.5 +pair_coeff 1 1 1.0 1.0 +pair_coeff 2 2 1.0 2.0 +pair_coeff 3 3 1.0 1.5 +pair_coeff 4 4 0.0 1.0 0.1 +neigh_modify exclude type 1 4 exclude type 2 4 exclude type 3 4 exclude type 4 4 -delete_atoms overlap 1.0 small big +delete_atoms overlap 1.0 small big # SRD run -reset_timestep 0 +reset_timestep 0 -neighbor 0.3 bin -neigh_modify delay 0 every 1 check yes +neighbor 0.3 bin +neigh_modify delay 0 every 1 check yes -comm_modify mode multi group big vel yes -neigh_modify include big +comm_modify mode multi group big vel yes +neigh_modify include big # no pairwise interactions with small particles -pair_style lj/cut 1.12 -pair_coeff 1 1 1.0 1.0 1.12 -pair_coeff 2 2 1.0 2.0 2.24 -pair_coeff 3 3 1.0 1.5 1.68 -pair_coeff 4 4 0.0 1.0 0.0 +pair_style lj/cut 1.12 +pair_coeff 1 1 1.0 1.0 1.12 +pair_coeff 2 2 1.0 2.0 2.24 +pair_coeff 3 3 1.0 1.5 1.68 +pair_coeff 4 4 0.0 1.0 0.1 +neigh_modify exclude type 1 4 exclude type 2 4 exclude type 3 4 exclude type 4 4 # use fix SRD to push small particles out from inside big ones # if comment out, big particles won't see SRD particles -timestep 0.001 +timestep 0.001 -fix 1 big nve -fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 & - search 0.2 inside ignore -fix 3 small viscosity 10 x y 50 -fix 4 all enforce2d +fix 1 big nve +fix 2 small srd 20 big 1.0 0.25 49894 shift yes 54979 & + search 0.2 inside ignore +fix 3 small viscosity 10 x y 50 +fix 4 all enforce2d # diagnostics -compute tbig big temp/sphere -variable pebig equal pe*atoms/count(big) -variable ebig equal etotal*atoms/count(big) -thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press & - f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] & - f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] +compute tbig big temp/sphere +variable pebig equal pe*atoms/count(big) +variable ebig equal etotal*atoms/count(big) +thermo_style custom step temp f_2[8] etotal v_pebig v_ebig press & + f_2[1] f_2[2] f_2[3] f_2[4] f_2[5] & + f_2[6] f_2[7] f_2[8] f_2[9] f_2[10] f_2[11] -thermo_modify temp tbig -thermo 1000 +thermo_modify temp tbig +thermo 1000 -#dump 1 all atom 500 dump.poly.mp +#dump 1 all atom 500 dump.poly.mp -#dump 1 all image 500 image.*.jpg type type zoom 1.6 -#dump_modify 1 pad 6 adiam 1 1 adiam 2 2.0 adiam 3 1.5 adiam 4 0.1 +#dump 1 all image 500 image.*.jpg type type zoom 1.6 +#dump_modify 1 pad 6 adiam 1 1 adiam 2 2.0 adiam 3 1.5 adiam 4 0.1 -run 50000 +run 50000