forked from lijiext/lammps
document latest fix hyper/local diagnostics
This commit is contained in:
parent
f16486b23e
commit
07e58fd681
|
@ -345,7 +345,7 @@ The "fix_modify"_fix_modify.html {energy} option is supported by this
|
|||
fix to add the energy of the bias potential to the system's potential
|
||||
energy as part of "thermodynamic output"_thermo_style.html.
|
||||
|
||||
This fix computes a global scalar and global vector of length 26,
|
||||
This fix computes a global scalar and global vector of length 28,
|
||||
which can be accessed by various "output commands"_Howto_output.html.
|
||||
The scalar is the magnitude of the bias potential (energy units)
|
||||
applied on the current timestep, summed over all biased bonds. The
|
||||
|
@ -368,19 +368,22 @@ vector stores the following quantities:
|
|||
14 = max bond length during this run (distance units)
|
||||
15 = average bias coeff for all bonds during this run (unitless)
|
||||
16 = min bias coeff for any bond during this run (unitless)
|
||||
17 = max bias coeff for any bond during this run (unitless)
|
||||
17 = max bias coeff for any bond during this run (unitless) :ul
|
||||
|
||||
18 = max drift distance of any bond atom during this run (distance units)
|
||||
19 = max distance from proc subbox of any ghost atom with maxstrain < qfactor during this run (distance units)
|
||||
20 = max distance outside my box of any ghost atom with any maxstrain during this run (distance units)
|
||||
21 = count of ghost atoms that could not be found on reneighbor steps during this run
|
||||
22 = count of bias overlaps (< Dcut) found during this run
|
||||
22 = count of bias overlaps (< Dcut) found during this run :ul
|
||||
|
||||
23 = cumulative hyper time since fix created (time units)
|
||||
24 = cumulative count of event timesteps since fix created
|
||||
25 = cumulative count of atoms in events since fix created
|
||||
26 = cumulative # of new bonds formed since fix created :ul
|
||||
|
||||
27 = average boost for biased bonds on this step (unitless)
|
||||
28 = # of bonds with absolute strain >= q on this step
|
||||
|
||||
The first quantities 1-9 are for the current timestep. Quantities
|
||||
10-22 are for the current hyper run. They are reset each time a new
|
||||
hyper run is performed. Quantities 23-26 are cumulative across
|
||||
|
@ -473,6 +476,11 @@ operation. Bonds between a specific I,J pair of atoms may persist for
|
|||
the entire hyperdynamics simulation if neither I or J are involved in
|
||||
an event.
|
||||
|
||||
Value 27 computes the average boost for biased bonds only on this step.
|
||||
|
||||
Value 28 is the count of bonds with an absolute value of strain >= q
|
||||
on this step.
|
||||
|
||||
The scalar and vector values calculated by this fix are all
|
||||
"intensive".
|
||||
|
||||
|
|
|
@ -63,7 +63,6 @@ FixHyperLocal::FixHyperLocal(LAMMPS *lmp, int narg, char **arg) :
|
|||
hyperflag = 2;
|
||||
scalar_flag = 1;
|
||||
vector_flag = 1;
|
||||
// DEBUG - changed 26 to 28
|
||||
size_vector = 28;
|
||||
local_flag = 1;
|
||||
size_local_rows = 0;
|
||||
|
@ -196,7 +195,6 @@ FixHyperLocal::FixHyperLocal(LAMMPS *lmp, int narg, char **arg) :
|
|||
bound_upper = 1.0 + boundfrac;
|
||||
lastreset = update->ntimestep;
|
||||
|
||||
// DEBUG - one line
|
||||
overcount = 0;
|
||||
}
|
||||
|
||||
|
@ -485,7 +483,6 @@ void FixHyperLocal::pre_reverse(int /* eflag */, int /* vflag */)
|
|||
|
||||
double **x = atom->x;
|
||||
|
||||
// DEBUG - one line
|
||||
overcount = 0;
|
||||
|
||||
m = 0;
|
||||
|
@ -506,7 +503,7 @@ void FixHyperLocal::pre_reverse(int /* eflag */, int /* vflag */)
|
|||
maxbondlen = MAX(r,maxbondlen);
|
||||
r0 = blist[m].r0;
|
||||
estrain = fabs(r-r0) / r0;
|
||||
// DEBUG - one line
|
||||
// DEBUG quantity - could remove this line and output option
|
||||
if (estrain >= qfactor) overcount++;
|
||||
maxstrain[i] = MAX(maxstrain[i],estrain);
|
||||
maxstrain[j] = MAX(maxstrain[j],estrain);
|
||||
|
@ -739,6 +736,7 @@ void FixHyperLocal::pre_reverse(int /* eflag */, int /* vflag */)
|
|||
// delta in boost coeff is function of boost_domain vs target boost
|
||||
// boost_domain is function of two maxstrain_domains for I,J
|
||||
// NOTE: biascoeff update is now scaled by 1/Vmax
|
||||
// still need to think about what this means for units
|
||||
|
||||
minbiascoeff = BIG;
|
||||
maxbiascoeff = 0.0;
|
||||
|
@ -1466,8 +1464,7 @@ double FixHyperLocal::compute_scalar()
|
|||
|
||||
double FixHyperLocal::compute_vector(int i)
|
||||
{
|
||||
// 26 vector outputs returned for i = 0-25
|
||||
// DEBUG = 28
|
||||
// 28 vector outputs returned for i = 0-27
|
||||
|
||||
// i = 0 = average boost for all bonds on this step
|
||||
// i = 1 = # of biased bonds on this step
|
||||
|
@ -1502,7 +1499,8 @@ double FixHyperLocal::compute_vector(int i)
|
|||
// i = 24 = cumulative # of atoms in events since fix created
|
||||
// i = 25 = cumulative # of new bonds formed since fix created
|
||||
|
||||
// i = 26 = average boost for biased bonds on this step (unitless)
|
||||
// these 2 were added for debugging - could be removed at some point
|
||||
// i = 26 = average boost for biased bonds on this step
|
||||
// i = 27 = current count of bonds with strain >= q
|
||||
|
||||
if (i == 0) {
|
||||
|
@ -1658,7 +1656,7 @@ double FixHyperLocal::compute_vector(int i)
|
|||
return (double) allnewbond;
|
||||
}
|
||||
|
||||
// DEBUG - added two options
|
||||
// these two options were added for debugging
|
||||
|
||||
if (i == 26) {
|
||||
double allboost;
|
||||
|
|
|
@ -140,7 +140,7 @@ class FixHyperLocal : public FixHyper {
|
|||
};
|
||||
|
||||
OneBond *blist; // list of owned bonds
|
||||
double *biascoeff; // biasing coefficient Cij for each bond
|
||||
double *biascoeff; // bias coefficient Cij for each bond
|
||||
int nblocal; // # of owned bonds
|
||||
int maxbond; // allocated size of blist
|
||||
|
||||
|
|
Loading…
Reference in New Issue