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fix_lb_rigid_pc_sphere.h
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Sat, Oct 19, 22:13
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rLAMMPS lammps
fix_lb_rigid_pc_sphere.h
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/* -*- c++ -*- ----------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
#ifdef FIX_CLASS
FixStyle
(
lb
/
rigid
/
pc
/
sphere
,
FixLbRigidPCSphere
)
#else
#ifndef LMP_FIX_LB_RIGID_PC_SPHERE_H
#define LMP_FIX_LB_RIGID_PC_SPHERE_H
#include "fix.h"
namespace
LAMMPS_NS
{
class
FixLbRigidPCSphere
:
public
Fix
{
public:
FixLbRigidPCSphere
(
class
LAMMPS
*
,
int
,
char
**
);
virtual
~
FixLbRigidPCSphere
();
virtual
int
setmask
();
virtual
void
init
();
virtual
void
setup
(
int
);
virtual
void
initial_integrate
(
int
);
virtual
void
final_integrate
();
virtual
double
compute_scalar
();
double
memory_usage
();
void
grow_arrays
(
int
);
void
copy_arrays
(
int
,
int
,
int
);
void
set_arrays
(
int
);
int
pack_exchange
(
int
,
double
*
);
int
unpack_exchange
(
int
,
double
*
);
void
pre_neighbor
();
int
dof
(
int
);
void
reset_dt
();
double
compute_array
(
int
,
int
);
private:
double
**
up
;
double
**
up_old
;
double
*
Gamma_MD
;
double
expminusdttimesgamma
,
DMDcoeff
;
double
expminusdttimesgammadiv2
;
double
force_factor
,
torque_factor
;
double
dtv
,
dtf
;
int
nbody
;
// # of rigid bodies
int
*
nrigid
;
// # of atoms in each rigid body
int
*
nrigid_shell
;
double
*
masstotal
;
// total mass of each rigid body
double
*
masstotal_shell
;
double
*
sphereradius
;
double
**
xcm
;
// coords of center-of-mass of each rigid body
double
**
xcm_old
;
double
**
vcm
;
// velocity of center-of-mass of each
double
**
ucm
;
double
**
ucm_old
;
double
**
fcm
;
// force on center-of-mass of each
double
**
fcm_old
;
double
**
fcm_fluid
;
double
**
omega
;
// angular momentum of each in space coords
double
**
torque
;
// torque on each rigid body in space coords
double
**
torque_old
;
double
**
torque_fluid
;
double
**
torque_fluid_old
;
double
**
rotate
;
imageint
*
imagebody
;
// image flags of xcm of each rigid body
double
**
fflag
;
// flag for on/off of center-of-mass force
double
**
tflag
;
// flag for on/off of center-of-mass torque
int
*
body
;
// which body each atom is part of (-1 if none)
double
**
sum
,
**
all
;
// work vectors for each rigid body
int
**
remapflag
;
// PBC remap flags for each rigid body
double
tfactor
;
// scale factor on temperature of rigid bodies
int
inner_nodes
;
// ==1 if certain particle are inside the rigid
// body and should not interact with the fluid.
// ==0 otherwise.
int
igroupinner
;
// specifies the particles which are inside the
// spherical rigid body, and do not interact with
// the fluid.
void
set_xv
();
void
set_v
();
void
compute_up
();
class
FixLbFluid
*
fix_lb_fluid
;
};
}
#endif
#endif
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