# minimum Working Example for Simulation of clump using molecule # 1. Setup simulation environments units si dimension 3 atom_style hybrid sphere molecular boundary f f f newton off processors * * 2 numa_nodes 4 #grid numa # 2. Setup Communication and Neighboring list #comm_modify mode single vel yes #NG #comm_modify mode single vel yes cutoff 0.008 #NG comm_modify mode single vel yes cutoff 0.009 #OK neigh_modify delay 0 every 10 check yes once no cluster no exclude molecule/intra all page 10000000 one 20000 # binsize 0.0005 # 3. Setup Packages package omp 5 suffix omp # 4. Setup variables variable crit_dt equal 1e-6 # 5. Setup Domain region domain3D block -0.025 0.025 -0.025 0.025 0.0 0.025 create_box 2 domain3D # 5. Read atom and molecule data molecule clumps m1.data scale 1E-3 m2.data scale 1E-3 # Readout two template for molecule region insertionRegion block -0.024 0.024 -0.024 0.024 0.01 0.024 # Set pouring Space # 8. Apply gravity fix grav_acc all gravity 9.81 vector 0.0 0.0 -1.0 fix viscousDamping all viscous 0.0001 fix makeClumps all rigid/small/omp molecule mol clumps gravity grav_acc fix pourClumps all pour 10 1 4767548 region insertionRegion dens 2700 2700 mol clumps molfrac 0.5 0.5 rigid makeClumps # 6. Decalre mocules is composed of sphere : DOF adjust ment not to calculate DOF <=0 compute adjustDOF all temp/sphere thermo_modify temp adjustDOF # 7. Setup interactions btw atoms (molecule) pair_style gran/hertz/history/omp 1.75e9 NULL 50.0 NULL 0.5 1 pair_coeff * * fix bottomPlate all wall/gran hertz/history 1.75e9 NULL 50.0 NULL 0.5 1 & zplane 0.0 NULL # 9. Preparation for run timestep ${crit_dt} run 100000