Commit Graph

26 Commits

Author SHA1 Message Date
93be2d264e Detect correct integer type in lammps python interface 2017-12-02 00:39:15 -05:00
b9fd1156b2 Completed first version of fix python/integrate
This includes an example of how to implement fix NVE in Python.

The library interface was extended to provide direct access to atom data using
numpy arrays. No data copies are made and numpy operations directly manipulate
memory of the native code.

To keep this numpy dependency optional, all functions are wrapped into the
lammps.numpy sub-object which is only loaded when accessed.
2017-12-02 00:39:15 -05:00
0208fe9996 update example outputs 2017-05-18 00:46:49 -04:00
8d46aa6056 add readme file to discuss various python pair style usage examples 2017-05-18 00:31:54 -04:00
09f3b687f7 new long-rance example with using hybrid/overlay and table only for lj part 2017-05-18 00:31:15 -04:00
436d3fd761 make hybrid example use half the atoms with python, half with lj/cut 2017-05-18 00:30:41 -04:00
9833f38499 change coulomb example to use cutoff coulomb 2017-05-18 00:30:19 -04:00
67962b15fc a bunch refactoring changes in the python pair style and the examples
- make all python potential classes derived from LAMMPSPairPotential
  which contains shared functionality. We currently don't check
  for supported atom types. may want to add that again later.
- keep track of skipped atom types in the C++ code.
- add test against units setting. must set self.units='...' in constructor
- make compute_force method consistent with Pair::single() in LAMMPS and return force/r instead of force.
- rename potentials.py to py_pot.py
- update test runs. some small tweaks.
2017-05-17 20:55:48 -04:00
1d48f287f0 add partial documentation for pair style python 2017-05-17 19:05:18 -04:00
43efe9e417 adding Pair::single() support to python pair style and examples
with the single function, python pair styles can be massively
sped up and made compatible to accelerators, as one can translate
the analytic force and energy functions through LAMMPS into suitable
tables and then simply use the on-the-fly tables for production runs
2017-05-17 17:20:56 -04:00
a34c935e20 update log files in python pair style example 2017-05-17 08:00:21 -04:00
13e16dc3f1 update log files for pair style python examples 2017-05-17 07:52:13 -04:00
96f0a82aa5 simplify class names in pair style python examples. add SPC/E water example 2017-05-17 07:48:15 -04:00
7caf6cf459 Change how a Python pair style is loaded
Implements a class loader which takes a fully qualified Python class
name, loads the module and creates an object instance.

To add flexibility, the current working directory and the
directory specified by the LAMMPS_POTENTIALS environment variable are
added to the module search path.
2017-05-16 23:29:48 -04:00
14f3deed6b Minor coefficient lookup improvement 2017-05-15 18:43:46 -04:00
93cc6f4a5d Use in syntax for key lookup for Python 3 compatibility 2017-05-15 17:34:48 -04:00
6a1f7e61f2 provide reference output for python pair style inputs 2017-05-15 00:25:11 -04:00
df55a90ef6 some example input file tweaks 2017-05-15 00:22:03 -04:00
f484ab6dfb completed lj parameter set and compute functions for melt example 2017-05-15 00:14:36 -04:00
86283c6309 make melt input consistent with melt example again 2017-05-15 00:13:32 -04:00
34cc3946b8 first few pieces of pair style python 2017-05-14 18:29:06 -04:00
c4d0f07093 Allow fix python to only execute every N steps 2017-05-12 00:29:58 -04:00
110bb79b14 Implement fix python mentioned in issue #454
Allows to call a python function at defined points in the integration loop
2017-05-11 23:50:30 -04:00
9a027a01da Add Python 3 compatibility to PYTHON package 2017-04-11 20:24:42 -04:00
493873fb93 clean up doc src 2016-10-06 13:00:46 -06:00
03662ee700 git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@13238 f3b2605a-c512-4ea7-a41b-209d697bcdaa 2015-03-17 16:06:01 +00:00