git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@6379 f3b2605a-c512-4ea7-a41b-209d697bcdaa

This commit is contained in:
sjplimp 2011-06-13 22:31:50 +00:00
parent 7025ec968f
commit c7e91e5418
5 changed files with 124 additions and 0 deletions

View File

@ -0,0 +1 @@
These examples demonstrates the use of AWPMD for H atom and H2 molecule.

View File

@ -0,0 +1,18 @@
Created by AJB
2 atoms
2 atom types
-0.529177 0.529177 xlo xhi
-0.529177 0.529177 ylo yhi
-0.529177 0.529177 zlo zhi
Masses
1 1.000794 # H nuclei mass
2 0.000544616997098749 # electron mass
Atoms
1 1 1.0 0 0.000000 0 1.0 0.0 0.0 0.0 0.0 # 0-tag 1-type 2-q 3-spin 4-eradius 5-etag 6-cs_re 7-cs_im 8-x 9-y 10-z
2 2 -1.0 1 0.861555 1 1.0 0.0 0.0 0.0 0.0

View File

@ -0,0 +1,25 @@
Created by AJB
4 atoms
2 atom types
-0.529177 0.529177 xlo xhi
-0.529177 0.529177 ylo yhi
-0.529177 0.529177 zlo zhi
Masses
1 1.000794 # H nuclei mass
2 0.000544616997098749 # electron mass
Atoms
1 1 1.0 0 0.000000 0 1.0 0.0 -0.1322943 0.000000 0.000000 # 0-tag 1-type 2-q 3-spin 4-eradius 5-etag 6-cs_re 7-cs_im 8-x 9-y 10-z
2 2 -1.0 1 0.1 3 1.0 0.0 -0.1322943 0.000000 0.000000
3 1 1.0 0 0.000000 0 1.0 0.0 0.1322943 0.000000 0.000000
4 2 -1.0 -1 0.1 4 1.0 0.0 0.1322943 0.000000 0.000000
5 2 -1.0 -1 0.1 4 1.0 0.0 0.264589 0.000000 0.000000 # additional WP for the second electron

View File

@ -0,0 +1,40 @@
variable sname index h_atom
log ${sname}.spe.log
units real
newton on
boundary p p p
processors 1 * *
atom_style wavepacket
read_data data.${sname}
#neighbor 2.0 nsq
pair_style awpmd/cut -1. hartree ermscale 0.99 free flex_press
pair_coeff * *
timestep 0.001
fix 1 all nve/awpmd
communicate single vel yes
compute energies all pair awpmd/cut
variable eke equal c_energies[1]
variable epauli equal c_energies[2]
variable estatics equal c_energies[3]
variable errestrain equal c_energies[4]
compute peratom all stress/atom
compute p all reduce sum c_peratom[1] c_peratom[2] c_peratom[3]
variable press equal -(c_p[1]+c_p[2]+c_p[3])/(3*vol)
thermo 1
thermo_style custom step etotal pe ke v_eke v_epauli v_estatics v_errestrain temp press v_press
run 0

View File

@ -0,0 +1,40 @@
variable sname index h_molecule
log ${sname}.spe.log
units real
newton on
boundary p p p
processors 1 * *
atom_style wavepacket
read_data data.${sname}
#neighbor 2.0 nsq
pair_style awpmd/cut -1. hartree ermscale 0.99 free flex_press
pair_coeff * *
timestep 0.001
fix 1 all nve/awpmd
communicate single vel yes
compute energies all pair awpmd/cut
variable eke equal c_energies[1]
variable epauli equal c_energies[2]
variable estatics equal c_energies[3]
variable errestrain equal c_energies[4]
compute peratom all stress/atom
compute p all reduce sum c_peratom[1] c_peratom[2] c_peratom[3]
variable press equal -(c_p[1]+c_p[2]+c_p[3])/(3*vol)
thermo 1
thermo_style custom step etotal pe ke v_eke v_epauli v_estatics v_errestrain temp press v_press
run 0