src/interaction/LennardJonesExpand.py
# Copyright (C) 2012,2013
# Max Planck Institute for Polymer Research
# Copyright (C) 2008,2009,2010,2011
# Max-Planck-Institute for Polymer Research & Fraunhofer SCAI
#
# This file is part of ESPResSo++.
#
# ESPResSo++ is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# ESPResSo++ is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
r"""
*****************************************
espressopp.interaction.LennardJonesExpand
*****************************************
.. math::
V(r) = 4 \varepsilon \left[ \left( \frac{\sigma}{r} \right)^{12} -
\left( \frac{\sigma}{r} \right)^{6} \right]
.. function:: espressopp.interaction.LennardJonesExpand(epsilon, sigma, delta, cutoff, shift)
:param epsilon: (default: 1.0)
:param sigma: (default: 1.0)
:param delta: (default: 0.0)
:param cutoff: (default: infinity)
:param shift: (default: "auto")
:type epsilon: real
:type sigma: real
:type delta: real
:type cutoff:
:type shift:
.. function:: espressopp.interaction.VerletListLennardJonesExpand(vl)
:param vl:
:type vl:
.. function:: espressopp.interaction.VerletListLennardJonesExpand.getPotential(type1, type2)
:param type1:
:param type2:
:type type1:
:type type2:
:rtype:
.. function:: espressopp.interaction.VerletListLennardJonesExpand.setPotential(type1, type2, potential)
:param type1:
:param type2:
:param potential:
:type type1:
:type type2:
:type potential:
.. function:: espressopp.interaction.CellListLennardJonesExpand(stor)
:param stor:
:type stor:
.. function:: espressopp.interaction.CellListLennardJonesExpand.setPotential(type1, type2, potential)
:param type1:
:param type2:
:param potential:
:type type1:
:type type2:
:type potential:
.. function:: espressopp.interaction.FixedPairListLennardJonesExpand(system, vl, potential)
:param system:
:param vl:
:param potential:
:type system:
:type vl:
:type potential:
.. function:: espressopp.interaction.FixedPairListLennardJonesExpand.setPotential(potential)
:param potential:
:type potential:
"""
from espressopp import pmi, infinity
from espressopp.esutil import *
from espressopp.interaction.Potential import *
from espressopp.interaction.Interaction import *
from _espressopp import interaction_LennardJonesExpand, \
interaction_VerletListLennardJonesExpand, \
interaction_CellListLennardJonesExpand, \
interaction_FixedPairListLennardJonesExpand
class LennardJonesExpandLocal(PotentialLocal, interaction_LennardJonesExpand):
def __init__(self, epsilon=1.0, sigma=1.0, delta=0.0,
cutoff=infinity, shift="auto"):
"""Initialize the local LennardJonesExpand object."""
if not (pmi._PMIComm and pmi._PMIComm.isActive()) or pmi._MPIcomm.rank in pmi._PMIComm.getMPIcpugroup():
if shift =="auto":
cxxinit(self, interaction_LennardJonesExpand,
epsilon, sigma, delta, cutoff)
else:
cxxinit(self, interaction_LennardJonesExpand,
epsilon, sigma, delta, cutoff, shift)
class VerletListLennardJonesExpandLocal(InteractionLocal, interaction_VerletListLennardJonesExpand):
def __init__(self, vl):
if not (pmi._PMIComm and pmi._PMIComm.isActive()) or pmi._MPIcomm.rank in pmi._PMIComm.getMPIcpugroup():
cxxinit(self, interaction_VerletListLennardJonesExpand, vl)
def setPotential(self, type1, type2, potential):
if not (pmi._PMIComm and pmi._PMIComm.isActive()) or pmi._MPIcomm.rank in pmi._PMIComm.getMPIcpugroup():
self.cxxclass.setPotential(self, type1, type2, potential)
def getPotential(self, type1, type2):
if not (pmi._PMIComm and pmi._PMIComm.isActive()) or pmi._MPIcomm.rank in pmi._PMIComm.getMPIcpugroup():
return self.cxxclass.getPotential(self, type1, type2)
class CellListLennardJonesExpandLocal(InteractionLocal, interaction_CellListLennardJonesExpand):
def __init__(self, stor):
if not (pmi._PMIComm and pmi._PMIComm.isActive()) or pmi._MPIcomm.rank in pmi._PMIComm.getMPIcpugroup():
cxxinit(self, interaction_CellListLennardJonesExpand, stor)
def setPotential(self, type1, type2, potential):
if not (pmi._PMIComm and pmi._PMIComm.isActive()) or pmi._MPIcomm.rank in pmi._PMIComm.getMPIcpugroup():
self.cxxclass.setPotential(self, type1, type2, potential)
class FixedPairListLennardJonesExpandLocal(InteractionLocal, interaction_FixedPairListLennardJonesExpand):
def __init__(self, system, vl, potential):
if not (pmi._PMIComm and pmi._PMIComm.isActive()) or pmi._MPIcomm.rank in pmi._PMIComm.getMPIcpugroup():
cxxinit(self, interaction_FixedPairListLennardJonesExpand, system, vl, potential)
def setPotential(self, potential):
if not (pmi._PMIComm and pmi._PMIComm.isActive()) or pmi._MPIcomm.rank in pmi._PMIComm.getMPIcpugroup():
self.cxxclass.setPotential(self, potential)
if pmi.isController:
class LennardJonesExpand(Potential):
'The LennardJonesExpand potential.'
pmiproxydefs = dict(
cls = 'espressopp.interaction.LennardJonesExpandLocal',
pmiproperty = ['epsilon', 'sigma', 'delta']
)
class VerletListLennardJonesExpand(Interaction, metaclass=pmi.Proxy):
pmiproxydefs = dict(
cls = 'espressopp.interaction.VerletListLennardJonesExpandLocal',
pmicall = ['setPotential','getPotential']
)
class CellListLennardJonesExpand(Interaction, metaclass=pmi.Proxy):
pmiproxydefs = dict(
cls = 'espressopp.interaction.CellListLennardJonesExpandLocal',
pmicall = ['setPotential']
)
class FixedPairListLennardJonesExpand(Interaction, metaclass=pmi.Proxy):
pmiproxydefs = dict(
cls = 'espressopp.interaction.FixedPairListLennardJonesExpandLocal',
pmicall = ['setPotential']
)