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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@4146 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp
2010-05-19 00:15:34 +00:00
parent 516808ed90
commit b05a2530b6
2 changed files with 22 additions and 11 deletions
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19
doc/variable.txt
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@ -31,10 +31,12 @@ style = {delete} or {index} or {loop} or {world} or {universe} or {uloop} or {st
ceil(x), floor(x), round(x)
group functions = count(group), mass(group), charge(group),
xcm(group,dim), vcm(group,dim), fcm(group,dim),
bound(group,xmin), gyration(group), ke(group)
bound(group,xmin), gyration(group), ke(group),
angmom(group,dim)
region functions = count(group,region), mass(group,region), charge(group,region),
xcm(group,dim,region), vcm(group,dim,region), fcm(group,dim,region),
bound(group,xmin,region), gyration(group,region), ke(group,reigon)
bound(group,xmin,region), gyration(group,region), ke(group,reigon),
angmom(group,dim,region)
atom value = mass\[i\], type\[i\], x\[i\], y\[i\], z\[i\], vx\[i\], vy\[i\], vz\[i\], fx\[i\], fy\[i\], fz\[i\]
atom vector = mass, type, x, y, z, vx, vy, vz, fx, fy, fz
compute references = c_ID, c_ID\[i\], c_ID\[i\]\[j\]
@ -246,9 +248,12 @@ Thermo keywords: vol, pe, ebond, etc
Math operators: (), -x, x+y, x-y, x*y, x/y, x^y, x==y, x!=y, x<y, x<=y, x>y, x>=y, x&&y, x||y
Math functions: sqrt(x), exp(x), ln(x), log(x), sin(x), cos(x), tan(x), asin(x), acos(x), atan(x), ceil(x), floor(x), round(x)
Group functions: count(ID), mass(ID), charge(ID), xcm(ID,dim), \
vcm(ID,dim), fcm(ID,dim), bound(ID,dir), gyration(ID), ke(ID)
Region functions: count(ID,IDR), mass(ID,IDR), charge(ID,IDR), xcm(ID,dim,IDR), \
vcm(ID,dim,IDR), fcm(ID,dim,IDR), bound(ID,dir,IDR), gyration(ID,IDR), ke(ID,IDR)
vcm(ID,dim), fcm(ID,dim), bound(ID,dir), \
gyration(ID), ke(ID), angmom(ID,dim)
Region functions: count(ID,IDR), mass(ID,IDR), charge(ID,IDR), \
xcm(ID,dim,IDR), vcm(ID,dim,IDR), fcm(ID,dim,IDR), \
bound(ID,dir,IDR), gyration(ID,IDR), ke(ID,IDR), \
angmom(ID,dim,IDR)
Atom values: mass\[i\], type\[i\], x\[i\], y\[i\], z\[i\], \
vx\[i\], vy\[i\], vz\[i\], fx\[i\], fy\[i\], fz\[i\]
Atom vectors: mass, type, x, y, z, vx, vy, vz, fx, fy, fz
@ -327,7 +332,9 @@ of the group. Fcm() returns a component of the total force on the
group of atoms. Bound() returns the min/max of a particular
coordinate for all atoms in the group. Gyration() computes the
radius-of-gyration of the group of atoms. See the "compute
gyration"_compute_gyration.html command for a definition of the formula.
gyration"_compute_gyration.html command for a definition of the
formula. Angmom() returns components of the angular momentum of the
group of atoms around its center of mass.
Region functions are exactly the same as group functions except they
take an extra argument which is the region ID. The function is